ECU 7

TROUBLE DIAGNOSIS TABLE

SCAN
Torque Torque Delayed Immediately Limp
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode

ECU
P0102 Low HFM Sensor Signal - HFM sensing values are lower than
(Circuit Open) minimum sensing values.
- Check the resistance in HFM sensor.
- Check the ECU wiring harness (open
and poor contact).
• Check the ECU pin #83 and #84
for open circuit.
- Actual air mass flow vs. Output
voltages.
• -20 Kg/h: 0.47 V
• 0 Kg/h: 0.99 V
• 10 Kg/h: 1.2226 ~ 1.2398 V
• 15 Kg/h: 1.3552 ~ 1.3778 V
• 30 Kg/h: 1.6783 ~ 1.7146 V
• 60 Kg/h: 2.1619 ~ 2.2057 V
• 120 Kg/h: 2.7215 ~ 2.7762 V
• 250 Kg/h: 3.4388 ~ 3.5037 V
• 370 Kg/h: 3.8796 ~ 3.9511 V
• 480 Kg/h: 4.1945 ~ 4.2683 V
• 640 Kg/h: 4.5667 ~ 4.6469 V
- Replace the ECU if required.
P0103 High HFM Sensor Signal - HFM sensing values are higher than
(Circuit Short) maximum sensing values.
- Check the resistance in HFM sensor.
- Check the ECU wiring harness (open
and poor contact).
• Check the ECU pin #83 and #84
for open circuit.
- Actual air mass flow vs. Output
voltages.
• -20 Kg/h: 0.47 V
• 0 Kg/h: 0.99 V
• 10 Kg/h: 1.2226 ~ 1.2398 V
• 15 Kg/h: 1.3552 ~ 1.3778 V
• 30 Kg/h: 1.6783 ~ 1.7146 V
• 60 Kg/h: 2.1619 ~ 2.2057 V
• 120 Kg/h: 2.7215 ~ 2.7762 V
• 250 Kg/h: 3.4388 ~ 3.5037 V
• 370 Kg/h: 3.8796 ~ 3.9511 V
• 480 Kg/h: 4.1945 ~ 4.2683 V
• 640 Kg/h: 4.5667 ~ 4.6469 V
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0100 Air Mass Flow (HFM) Mal- - The external power supply is faulty.
function (Vref) • Check the external power supply.
• Check the sensor wiring harness
(open, short, poor contact).
- Actual air mass flow vs. Output
voltages.
• -20 Kg/h: 0.47 V
• 0 Kg/h: 0.99 V
• 10 Kg/h: 1.2226 ~ 1.2398 V
• 15 Kg/h: 1.3552 ~ 1.3778 V
• 30 Kg/h: 1.6783 ~ 1.7146 V
• 60 Kg/h: 2.1619 ~ 2.2057 V
• 120 Kg/h: 2.7215 ~ 2.7762 V
• 250 Kg/h: 3.4388 ~ 3.5037 V
• 370 Kg/h: 3.8796 ~ 3.9511 V
• 480 Kg/h: 4.1945 ~ 4.2683 V
• 640 Kg/h: 4.5667 ~ 4.6469 V
- Replace the ECU if required.
P0344 Cam Position Sensor Mal- - No cam recognition signal (missing O
function (Cam Signal Missing) events).
- Check the source voltage of cam po-
sition sensor (ECU pin #111)
(specified value: 4.5 ~ 12 V).
- Check the sensor wiring harness for
ECU pin #103 and #104 (open, short,
poor contact).
- Check the cam position sensor.
- Measure the air gap: 0.2 ~ 1.8 mm
- Replace the ECU if required.
P0341 Cam Position Sensor Malfunc- - Not synchronized with Crank angle O
tion (Poor Synchronization) signal.
- Check the source voltage of cam posi-
tion sensor (specified value: 4.5 ~ 12 V).
- Check the sensor wiring harness for
ECU pin #103 and #104 (open, short,
poor contact).
- Check the cam position sensor.
- Measure the air gap: 0.2 ~ 1.8 mm
- Replace the ECU if required.
P0219 Too Small Clearance of - Crank angle signal faults or clearance O
Crank Angle Sensor too close.
- Check the sensor wiring harness for
ECU pin #90 and #82 (open, short,
poor contact).
- Check the resistance of crank angle
sensor: 1090 Ω ± 15 %.
- Measure the air gap: 0.3 ~ 1.3 mm
• 1.3 mm of air gap: outputs 1.0 V at
40 rpm
• 0.3 mm of air gap: outputs 150 V
at 7000 rpm
- Check the teeth condition.
• Drive plate (A/T), DMF (M/T)
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0336 Too Large Clearance of - Air gap of crank angle sensor is O
Crank Angle Sensor abnormal.
- Check the sensor wiring harness for

ECU
ECU pin #90 and #82 (open, short,
poor contact).
- Check the resistance of crank angle
sensor: 1090 Ω ± 15 %.
- Measure the air gap: 0.3 ~ 1.3 mm
• 1.3 mm of air gap: outputs 1.0 V at
40 rpm
• 0.3 mm of air gap: outputs 150 V
at 7000 rpm
- Check the teeth condition.
• Drive plate (A/T), DMF (M/T)
- Replace the ECU if required.
P0372 Crank Angle Sensor Mal- - Even though cam position recognition O
function is normal, no crank angle signal rec-
ognition (missing tooth).
- Check the sensor wiring harness for
ECU pin #90 and #82 (open, short,
poor contact).
- Check the resistance of crank angle
sensor: 1090 Ω ± 15 %.
- Measure the air gap: 0.3 ~ 1.3 mm
• 1.3 mm of air gap: outputs 1.0 V at
40 rpm
• 0.3 mm of air gap: outputs 150 V
at 7000 rpm
- Check the teeth condition.
• Drive plate (A/T), DMF (M/T)
- Replace the ECU if required.
P1107 Barometric Sensor (Low) - Out of range about barometric sen-
sor (short to ground).
- Actual barometric pressure vs. Out-
put voltages.
• 15 Kpa: 0 V 35 Kpa: 1.0 V
• 55 Kpa: 2.0 V 80 Kpa: 3.0 V
• 100 Kpa: 4.0 V 110 Kpa: 4.5 V
- Replace the ECU.
P1108 Barometric Sensor (High) - Out of range about barometric sen-
sor (short to B+).
- Actual barometric pressure vs. Out-
put voltages.
• 15 Kpa: 0 V 35 Kpa: 1.0 V
• 55 Kpa: 2.0 V 80 Kpa: 3.0 V
• 100 Kpa: 4.0 V 110 Kpa: 4.5 V
- Replace the ECU.
P1105 Barometric Sensor Circuit - Out of range about barometric sen-
Short (Vref) sor (over voltage).
- Actual barometric pressure vs. Out-
put voltages.
• 15 Kpa: 0 V 35 Kpa: 1.0 V
• 55 Kpa: 2.0 V 80 Kpa: 3.0 V
• 100 Kpa: 4.0 V 110 Kpa: 4.5 V
- Replace the ECU.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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(max.50%) (max.20%) Stop Stop Mode
P0562 Low Battery Voltage - Malfunction in recognition of system O
source voltage (Lower than threshold).
• Less than minimum 8 Volts in 2000
rpm below
• Less than 10 Volts in 2000 rpm above.
- Check the battery wiring harness for
ECU pin #3, #4 and #5 (open, short,
poor contact).
- Check the battery main relay and fuse.
- Check the body ground.
- Measure the resistance between
body ground and ECU ground.
• Repair the ECU ground if the re-
sistance is high.
- Replace the ECU if required.
P0563 High Battery Voltage - Malfunction in recognition of system O
source voltage (Higher than threshold).
• More than minimum 16 Volts in
2000 rpm below
- Check the battery wiring harness for
ECU pin #3, #4 and #5 (open, short,
poor contact).
- Check the alternator.
- Check the body ground.
- Measure the resistance between
body ground and ECU ground.
• Repair the ECU ground if the re-
sistance is high.
- Replace the ECU if required.
P0560 Battery Voltage Malfunc- - Malfunction in recognition of system O
tion source voltage (A/D converter faults).
• Less than minimum 8 Volts in 2000
rpm below
• Less than 10 Volts in 2000 rpm above.
- Check the battery wiring harness for
ECU pin #3, #4 and #5 (open, short,
poor contact).
- Check the battery main relay and fuse.
- Check the body ground.
- Measure the resistance between
body ground and ECU ground.
• Repair the ECU ground if the re-
sistance is high.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0109 Low Booster Pressure - Out of signal range about boost pres-
Sensor Signal sure sensor at Ignition key-On and En-
gine Stop (Lower than specified values).

ECU
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output
voltages.
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for ECU
pin #99 and #100 (open, poor contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction
P0106 High Booster Pressure - Out of signal range about boost pres-
Sensor Signal sure sensor at Ignition key-On and
Engine Stop (Higher than specified
values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output
voltages.
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #99 and #100 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0107 Booster Pressure Sensor - Out of signal range about boost pres-
Open/GND Short sure sensor at Engine running condi-
tion (Lower than specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output volt-
ages
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #99 and #100 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction
P0108 Booster Pressure Sensor - Out of signal range about boost pres-
Short sure sensor at Engine running condi-
tion (Higher than specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output volt-
ages
• Raw Signal Range: 0.545~2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #99 and #100 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0105 Supply Voltage Fault to - Out of range of supply voltages about
Booster Pressure Sensor boost pressure sensor at Ignition key-
On and Engine Stop (Higher than

ECU
specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output voltages
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #100 and #108 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction
P1106 Booster Pressure Sensor - Out of range of supply voltages about
Malfunction boost pressure sensor at Ignition key-
On and Engine Stop (Higher than
specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output voltages.
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #99 and #100 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1109 Booster Pressure Sensor - Implausible signal values or range
Initial Check Fault about boost pressure sensor at En-
gine running condition (Higher than
specified values).
- Check the supply voltage to sensor.
- Actual boost pressure vs. Output volt-
ages
• Raw Signal Range: 0.545 ~ 2.490 bar
• 0.4 bar: 0.6120 V
• 1.4 bar: 2.6520 V
• 2.4 bar: 4.6920 V
- Check the sensor wiring harness for
ECU pin #99 and #100 (open, poor
contact).
- Visually check sensor and replace if
required.
- Replace the ECU if required.
- Check whether existing or not about
turbo boosting control malfunction
(P1235) simultaneously.
- If there is turbo boost control fault,
Should be checked followings also;
• Leakage before turbo system
• Vacuum pump malfunction
• Waste gate’ solenoid valve
• Turbo charger system defect or
malfunction itself
• Air inlet restriction
• Exhaust system restriction
P0571 Brake Pedal Switch Fault - The brake pedal switch or light switch
is faulty.
• Brake pedal switch: Normal Close
(NC)
• Light switch: Normal Open (NO)
• When operating the brake switch,
one signal (NO) is sent to auto
cruise and the other (NC) is sent
to brake lamp.
- Check the brake and light switch wir-
ing harness.
- Check the supply voltage to brake and
light switch (12 V).
- Check the brake and light switch for
contact.
- Check the ECU wiring harness for ECU
pin #77 and #58 (short, poor contact).
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1572 Brake Lamp Signal Fault - The brake pedal switch or light switch
is faulty.
• Brake pedal switch: Normal Close

ECU
(NC)
• Light switch: Normal Open (NO)
• When operating the brake pedal
switch, one signal (NO) is sent to
auto cruise and the other (NC) is
sent to brake lamp.
- Check the brake pedal and light
switch wiring harness.
- Check the supply voltage to brake
pedal and light switch (12 V).
- Check the brake pedal and light
switch for contact.
- Check the ECU wiring harness for ECU
pin #58 (open, short, poor contact).
- Replace the ECU if required.
P1571 Brake Lamp Signal Fault - The brake pedal switch is faulty.
• Brake pedal switch: Normal Close
(NC)
• Light switch: Normal Open (NO)
• When operating the brake pedal
switch, one signal (NO) is sent to
auto cruise and the other (NC) is
sent to brake lamp.
- Check the brake pedal switch wiring
harness.
- Check the supply voltage to brake
pedal switch (12 V).
- Check the brake pedal switch for
contact.
- Check the ECU wiring harness for ECU
pin #77 (open, short, poor contact).
- Replace the ECU if required.
P1286 Low Resistance for Injec- - Out of range about wiring harness
tor #1 wiring harness resistance for Injector #1.
• Low: Less than 0.115 Ω (injector
circuit open)
- Check the injector #1 wiring harness
and electric isolation.
- Check the injector #1 wiring harness
for open circuit.
• If the pin in injector #1 is defective,
replace injector #1 and perform
C2I coding, then check again.
• If the pin in injector #1 is not
defective, check the ECU wiring
harness.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1287 High Resistance for Injec- - Out of range about wiring harness
tor #1 wiring harness resistance for Injector #1.
• High: More than 0.728 Ω (injector
circuit short)
- Check the injector #1 wiring harness
and electric isolation.
- Check the injector #1 wiring harness
for short circuit.
• If the trouble still exists after re-
moving the injector connector, re-
place injector #1 and perform C2I
coding, then check again.
• If the trouble is fixed after remov-
ing the injector connector, check
the wiring harness between ECU
and injector.
- Replace the ECU if required.
P1288 Low Resistance for Injec- - Out of range about wiring harness
tor #2 wiring harness resistance for Injector #2.
• Low: Less than 0.115 Ω (injector
circuit open)
- Check the injector #2 wiring harness
and electric isolation.
- Check the injector #2 wiring harness
for open circuit.
• If the pin in injector #2 is defective,
replace injector #2 and perform
C2I coding, then check again.
• If the pin in injector #2 is not
defective, check the ECU wiring
harness.
- Replace the ECU if required.
P1289 High Resistance for Injec- - Out of range about wiring harness
tor #2 wiring harness resistance for Injector #2.
• High: More than 0.728 Ω (injector
circuit short)
- Check the injector #2 wiring harness
and electric isolation.
- Check the injector #2 wiring harness
for short circuit.
• If the trouble still exists after re-
moving the injector connector, re-
place injector #2 and perform C2I
coding, then check again.
• If the trouble is fixed after remov-
ing the injector connector, check
the wiring harness between ECU
and injector.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1292 Low Resistance for Injec- - Out of range about wiring harness
tor #4 wiring harness resistance for Injector #4.
• Low: Less than 0.115 Ω (injector

ECU
circuit open)
- Check the injector #4 wiring harness
and electric isolation.
- Check the injector #4 wiring harness
for open circuit.
• If the pin in injector #4 is defective,
replace injector #4 and perform
C2I coding, then check again.
• If the pin in injector #4 is not
defective, check the ECU wiring
harness.
- Replace the ECU if required.
P1293 High Resistance for Injec- - Out of range about wiring harness
tor #4 wiring harness resistance for Injector #4.
• High: More than 0.728 Ω (injector
circuit short)
- Check the injector #4 wiring harness
and electric isolation.
- Check the injector #4 wiring harness
for short circuit.
• If the trouble still exists after re-
moving the injector connector, re-
place injector #4 and perform C2I
coding, then check again.
• If the trouble is fixed after remov-
ing the injector connector, check
the wiring harness between ECU
and injector.
- Replace the ECU if required.
P1294 Low Resistance for Injec- - Out of range about wiring harness
tor #5 wiring harness resistance for Injector #5.
(only D27DT) • Low: Less than 0.115 Ω (injector
circuit open)
- Check the injector #5 wiring harness
and electric isolation.
- Check the injector #5 wiring harness
for open circuit.
• If the pin in injector #5 is defective,
replace injector #5 and perform
C2I coding, then check again.
• If the pin in injector #5 is not
defective, check the ECU wiring
harness.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
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(max.50%) (max.20%) Stop Stop Mode
P1295 High Resistance for Injec- - Out of range about wiring harness
tor #5 wiring harness resistance for Injector #5.
(only D27DT) • High: More than 0.728 Ω (injector
circuit short)
- Check the injector #5 wiring harness
and electric isolation.
- Check the injector #5 wiring harness
for short circuit.
• If the trouble still exists after re-
moving the injector connector, re-
place injector #5 and perform C2I
coding, then check again.
• If the trouble is fixed after remov-
ing the injector connector, check
the wiring harness between ECU
and injector.
- Replace the ECU if required.
P1290 Low Resistance for Injec- - Out of range about wiring harness
tor #3 wiring harness resistance for Injector #3.
• Low: Less than 0.115 Ω (injector
circuit open)
- Check the injector #3 wiring harness
and electric isolation.
- Check the injector #3 wiring harness
for open circuit.
• If the pin in injector #3 is defective,
replace injector #3 and perform
C2I coding, then check again.
• If the pin in injector #3 is not
defective, check the ECU wiring
harness.
- Replace the ECU if required.
P1291 High Resistance for Injec- - Out of range about wiring harness
tor #3 wiring harness resistance for Injector #3.
• High: More than 0.728 Ω (injector
circuit short)
- Check the injector #3 wiring harness
and electric isolation.
- Check the injector #3 wiring harness
for short circuit.
• If the trouble still exists after re-
moving the injector connector, re-
place injector #3 and perform C2I
coding, then check again.
• If the trouble is fixed after remov-
ing the injector connector, check
the wiring harness between ECU
and injector.
- Replace the ECU if required.
P0704 Clutch switch malfunction - The clutch switch is faulty (Manual
Transmission Only).
- Check the switch wiring harness.
• Check the ECU pin #38 for open,
short and poor contact.
- Check the switch supply voltage and
operations.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
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DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1115 Coolant Temperature Sen- - Implausible values of coolant tem-
sor Malfunction perature (If the temperature is below
the limits values after warm up).

ECU
- If Fuel temperature is invalid, the pre-
vious coolant temperature is retained.
- Check the supply voltage to sensor.
- Actual coolant temp. vs. Resistance
• 20°C: 2449 Ω
• 50°C: 826.3 Ω
• 80°C: 321.4 Ω
• 100°C: 112.9 Ω
- Check the wiring harness (open,
short and poor contact).
• ECU pin #101 and #102
- Visually check the sensor and re-
place if required.
- Check the thermostat, water pump ra-
diator related coolant route
(thermostat stuck).
- Replace the ECU if required.
P0118 Coolant Temperature Sen- - Malfunction in recognition of coolant
sor Malfunction - Short temperature
• More than maximum values (Circuit
Short)
• External power supply malfunction
- If Fuel temperature is invalid, the pre-
vious coolant temperature is retained.
- Check the supply voltage to sensor.
- Actual coolant temp. vs. Resistance
• 20°C: 2449 Ω
• 50°C: 826.3 Ω
• 80°C: 321.4 Ω
• 100°C: 112.9 Ω
- Check the wiring harness (short and
poor contact).
• ECU pin #101 and #102
- Visually check the sensor and re-
place if required.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
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(max.50%) (max.20%) Stop Stop Mode
P0117 Coolant Temperature Sen- - Malfunction in recognition of coolant
sor Malfunction - Open temperature
• Less than minimum values (Circuit
Open)
• External power supply malfunction
- If Fuel temperature is invalid, the pre-
vious coolant temperature is retained.
- Check the supply voltage to sensor.
- Actual coolant temp. vs. Resistance
• 20°C: 2449 Ω
• 50°C: 826.3 Ω
• 80°C: 321.4 Ω
• 100°C: 112.9 Ω
- Check the wiring harness (open and
poor contact).
• ECU pin #101 and #102
- Visually check the sensor and re-
place if required.
- Replace the ECU if required.
P0115 Supply Voltage Fault to - Check if the supply voltage of approx.
Coolant Temperature Sen- 12 V is applied.
sor
P0685 Main Relay Malfunction - The the main relay is unexpectedly
high/low state (ECU is supplied after
3 seconds).
- Relay resistance: 92 ± 9 Ω (at 20°C)
- Check the relay wiring harness (open,
short and poor contact).
• Check for open and short: ECU pin #9.
- If the forced operation is not available,
replace the ECU.
P1405 EGR Solenoid Valve - Out of range about EGR gas: High.
Malfunction - Short to • EGR controller circuit: Open or
ground short to ground
- Check the EGR actuator wiring harness.
- Check the supply voltage to EGR so-
lenoid valve.
- Check the EGR solenoid valve.
- Check the EGR valve for stick.
- Check the resistance of EGR
actuator: 15.4 Ω.
- Check the ECU wiring harness for
open and short.
• ECU pin #96
P1406 EGR Solenoid Valve - Out of range about EGR gas: Low.
Malfunction - Short to • EGR controller circuit: Short to battery
+Batt
- Check the EGR actuator wiring harness.
- Check the supply voltage to EGR so-
lenoid valve.
- Check the EGR solenoid valve.
- Check the EGR valve for stick.
- Check the resistance of EGR
actuator: 15.4 Ω
- Check the ECU wiring harness for
open and short.
• ECU pin #96

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 21

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1480 Condenser Fan #1 Circuit - Condenser fan #1: Open
Malfunction - Open - Check the relay and relay wiring
harness.

ECU
- Check the ECU wiring harness for
open and short.
• ECU pin #80
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.
P1481 Condenser Fan #1 Circuit - Condenser fan #1: Short
Malfunction - Short - Check the relay and relay wiring
harness.
- Check the ECU wiring harness for
open and short.
• ECU pin #80
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.
P1482 Condenser Fan #1 Circuit - Condenser fan #1: Short to ground.
Malfunction - Short to Ground - Check the relay and relay wiring
harness.
- Check the ECU wiring harness for
open and short.
• ECU pin #80
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.
P1526 Condenser Fan #2 Circuit - Condenser fan #2: Open
Malfunction - Open - Check the relay and relay wiring
harness.
- Check the ECU wiring harness for
open and short.
• ECU pin #81
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.
P1527 Condenser Fan #2 Circuit - Condenser fan #2: Short
Malfunction - Short - Check the relay and relay wiring
harness.
- Check the ECU wiring harness for
open and short.
• ECU pin #81
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.
P1528 Condenser Fan #2 Circuit - Condenser fan #2: Short to ground
Malfunction - Short to Ground - Check the relay and relay wiring
harness.
- Check the ECU wiring harness for
open and short.
• ECU pin #81
- If the forced operation is not avail-
able after replacing the relay, replace
the ECU.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
22 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0325 Accelerometer #1 (Knock - The signal / noise ratio is too low about
Sensor) Malfunction accelerometer # 1.
- Check the accelerometer wiring har-
ness and tightening torque.
• Tightening torque: 20 ± 5 Nm
- Check the ECU wiring harness for
open and short.
• ECU pin #45 and #46
- If the trouble still exists even after
replacing the accelerometer, replace
the ECU.
P0330 Accelerometer #2 (Knock - The signal / noise ratio is too low about
Sensor) Malfunction accelerometer # 2.
(only D27DT) - Check the accelerometer wiring har-
ness and tightening torque.
• Tightening torque: 20 ± 5 Nm
- Check the ECU wiring harness for
open and short.
• ECU pin #44 and #63
- If the trouble still exists even after
replacing the accelerometer, replace
the ECU.
P1611 Injector Bank #1 Malfunc- - Malfunction of injector (#1, #4, #3)
tion - Low Voltage circuit (Low): Short to Ground or to
Battery.
- Operating voltage: 6 ~ 18 V
- Check the injector bank #1: Open and
poor contact
- Check if the trouble recurs with the
injectors removed and the ignition key
“OFF”.
• If recurred, check the injector and
ECU wiring harness.
- Check if the trouble recurs while in-
stalling the injectors one by one with
the ignition key “ON”.
• If recurred, replace the injector
(perform C2I coding after replacement).
• Check the other injectors with
same manner.
- Check the ECU wiring harness.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 23

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1612 Injector Bank #1 Malfunc- - Malfunction of injector (#1, #4, #3) cir- O
tion - High Voltage cuit (High): Short to Ground or to Battery.
- Operating voltage: 6 ~ 18 V

ECU
- Check the injector bank #1: Short and
poor contact
- Check if the trouble recurs with the injec-
tors removed and the ignition key “OFF”.
• If recurred, check the injector and
ECU wiring harness.
- Check if the trouble recurs while in-
stalling the injectors one by one with
the ignition key “ON”.
• If recurred, replace the injector
(perform C2I coding after replacement).
• Check the other injectors with
same manner.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1618 Injector Bank #2 Malfunc- - Malfunction of injector (#2, #5) circuit
tion - Low Voltage (Low): Short to Ground or to Battery.
- Operating voltage: 6 ~ 18 V
- Check the injector bank #2: Open and
poor contact
- Check if the trouble recurs with the injec-
tors removed and the ignition key “OFF”.
• If recurred, check the injector and
ECU wiring harness.
- Check if the trouble recurs while in-
stalling the injectors one by one with
the ignition key “ON”.
• If recurred, replace the injector
(perform C2I coding after replacement).
• Check the other injectors with
same manner.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1619 Injector Bank #2 Malfunc- - Malfunction of injector (#2, #5) circuit O
tion - High Voltage (High): Short to Ground or to Battery.
- Operating voltage: 6 ~ 18 V
- Check the injector bank #2: Short and
poor contact
- Check if the trouble recurs with the injec-
tors removed and the ignition key “OFF”.
• If recurred, check the injector and
ECU wiring harness.
- Check if the trouble recurs while in-
stalling the injectors one by one with
the ignition key “ON”.
• If recurred, replace the injector
(perform C2I coding after replacement).
• Check the other injectors with
same manner.
- Check the ECU wiring harness.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
24 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0263 Injector #1 Balancing Fault - Injector #1 cylinder balancing faults
(Injector stuck closed).
- Check the injector circuit for open.
- Check the glow plug.
- Check the inlet tube for clogging.
- Check the EGR.
- Replace the ECU if required (perform
C2I coding after replacement).
P0266 Injector #2 Balancing Fault - Injector #2 cylinder balancing faults
(Injector stuck closed).
- Check the injector circuit for open.
- Check the glow plug.
- Check the inlet tube for clogging.
- Check the EGR.
- Replace the ECU if required (perform
C2I coding after replacement).
P0272 Injector #4 Balancing Fault - Injector #4 cylinder balancing faults
(Injector stuck closed).
- Check the injector circuit for open.
- Check the glow plug.
- Check the inlet tube for clogging.
- Check the EGR.
- Replace the ECU if required (perform
C2I coding after replacement).
P0275 Injector #5 Balancing Fault - Injector #5 cylinder balancing faults
(only D27DT) (Injector stuck closed).
- Check the injector circuit for open.
- Check the glow plug.
- Check the inlet tube for clogging.
- Check the EGR.
- Replace the ECU if required (perform
C2I coding after replacement).
P0269 Injector #3 Balancing Fault - Injector #3 cylinder balancing faults
(Injector stuck closed).
- Check the injector circuit for open.
- Check the glow plug.
- Check the inlet tube for clogging.
- Check the EGR.
- Replace the ECU if required (perform
C2I coding after replacement).
P0201 Injector #1 Circuit Open - Injector #1 circuit malfunction: Open. O
• If the injector pin is defective, per-
form C2I coding and check again.
• If the injector pin is normal, check
the ECU wiring harness (ECU pin:
#117, #114).
- Replace the ECU if required.
P0202 Injector #2 Circuit Open - Injector #2 circuit malfunction: Open. O
• If the injector pin is defective, per-
form C2I coding and check again.
• If the injector pin is normal, check
the ECU wiring harness (ECU pin:
#118, #121).
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 25

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0204 Injector #4 Circuit Open - Injector #4 circuit malfunction: Open. O
• If the injector pin is defective, per-
form C2I coding and check again.

ECU
• If the injector pin is normal, check
the ECU wiring harness (ECU pin:
#117, #115).
- Replace the ECU if required.
P0205 Injector #5 Circuit Open - Injector #5 circuit malfunction: Open. O
(only D27DT) • If the injector pin is defective, per-
form C2I coding and check again.
• If the injector pin is normal, check
the ECU wiring harness (ECU pin:
#118, #120).
- Replace the ECU if required.
P0203 Injector #3 Circuit Open - Injector #3 circuit malfunction: Open. O
• If the injector pin is defective, per-
form C2I coding and check again.
• If the injector pin is normal, check
the ECU wiring harness (ECU pin:
#117, #116).
- Replace the ECU if required.
P1201 Injector #1 Circuit Short - Injector #1 circuit malfunction: Short.
• If the trouble recurs with the in-
jector removed, replace the
injector. Perform C2I coding and
check again.
• If the trouble does not recur, check
the wiring harness between the in-
jector and ECU (ECU pin: #117, #114).
- Replace the ECU if required.
P1202 Injector #2 Circuit Short - Injector #2 circuit malfunction: Short.
• If the trouble recurs with the in-
jector removed, replace the
injector. Perform C2I coding and
check again.
• If the trouble does not recur, check
the wiring harness between the in-
jector and ECU (ECU pin: #118, #121).
- Replace the ECU if required.
P1204 Injector #4 Circuit Short - Injector #4 circuit malfunction: Short.
• If the trouble recurs with the in-
jector removed, replace the
injector. Perform C2I coding and
check again.
• If the trouble does not recur, check
the wiring harness between the in-
jector and ECU (ECU pin: #117, #115).
- Replace the ECU if required.
P1205 Injector #5 Circuit Short - Injector #5 circuit malfunction: Short.
(only D27DT) • If the trouble recurs with the in-
jector removed, replace the
injector. Perform C2I coding and
check again.
• If the trouble does not recur, check
the wiring harness between the in-
jector and ECU (ECU pin: #118, #120).
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
26 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1203 Injector #3 Circuit Short - Injector #3 circuit malfunction: Short.
• If the trouble recurs with the in-
jector removed, replace the
injector. Perform C2I coding and
check again.
• If the trouble does not recur, check
the wiring harness between the in-
jector and ECU (ECU pin: #117, #116).
- Replace the ECU if required.
P0182 Fuel temperature sensor - The sensing values are higher than
- Short to Ground specified values for fuel temperature
sensor. (More than maximum sens-
ing values 140°C - Circuit Short)
- Actual fuel temp. vs. Resistance
• -40°C: 75.780 Ω -20°C: 21.873 Ω
• -10°C: 12.462 Ω 0°C: 7.355 Ω
• 10°C: 4.481 Ω 20°C: 2.812 Ω
• 25°C: 2.252 Ω 30°C: 1.814 Ω
• 40°C: 1.199 Ω 50°C: 0.811 Ω
• 70°C: 0.394 Ω 90°C: 0.206 Ω
• 120°C: 0.087 Ω
- Recovery values when fuel tempera-
ture sensor failure: 95°C
- Check the supply voltage to sensor.
- Check the wiring harness for open,
short and poor contact.
• ECU pin: #109, #110
- Check the ECU wiring and replace the
ECU if required.
P0183 Fuel temperature sensor - The sensing values are lower than
- Short to B+ specified values for fuel temperature
sensor. (Less than maximum sens-
ing values - 40°C - Circuit Open)
- Actual fuel temp. vs. Resistance
• -40°C: 75.780 Ω -20°C: 21.873 Ω
• -10°C: 12.462 Ω 0°C: 7.355 Ω
• 10°C: 4.481 Ω 20°C: 2.812 Ω
• 25°C: 2.252 Ω 30°C: 1.814 Ω
• 40°C: 1.199 Ω 50°C: 0.811 Ω
• 70°C: 0.394 Ω 90°C: 0.206 Ω
• 120°C: 0.087 Ω
- Recovery values when fuel tempera-
ture sensor failure: 95°C
- Check the supply voltage to sensor.
- Check the wiring harness for open,
short and poor contact.
• ECU pin: #109, #110
- Check the ECU wiring and replace the
ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 27

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0180 Fuel temperature sensor - The power source circuit is faulty for
- Vref fuel temperature sensor. (Fuel tem-
perature sensor is mounted in high

ECU
pressure pump)
- Actual fuel temp. vs. Resistance
• -40°C: 75.780 Ω -20°C: 21.873 Ω
• -10°C: 12.462 Ω 0°C: 7.355 Ω
• 10°C: 4.481 Ω 20°C: 2.812 Ω
• 25°C: 2.252 Ω 30°C: 1.814 Ω
• 40°C: 1.199 Ω 50°C: 0.811 Ω
• 70°C: 0.394 Ω 90°C: 0.206 Ω
• 120°C: 0.087 Ω
- Recovery values when fuel tempera-
ture sensor failure: 95°C
- Check the supply voltage to sensor.
- Check the wiring harness for open,
short and poor contact.
• ECU pin: #109, #110
- Check the ECU wiring and replace the
ECU if required.
P1678 Glow Plug Drive Malfunc- - Glow plug circuit malfunction: Open.
tion - Open - Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
P1679 Glow Plug Drive Malfunc- - Glow plug circuit malfunction: Short.
tion - Short - Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
P1680 Glow Plug Drive Malfunc- - Glow plug circuit malfunction: Short
tion - Short to Ground to ground.
- Check the glow plug wiring harness
for open.
• ECU pin #113
- Check the glow plug relay operations.
- Check the glow plug power supply.
- Check the ECU wiring and replace the
ECU if required.
P1530 #1 Heater operating cir- - #1 heater circuit malfunction: Open.
cuit - Open - Check the wiring harness for open.
• ECU pin #61
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
28 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1531 #1 Heater operating cir- - #1 heater circuit malfunction: Short.
cuit - Short to B+ - Check the wiring harness for short.
• ECU pin #61
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.
P1532 #1 Heater operating cir- - #1 heater circuit malfunction: Short
cuit - Short to Ground to ground.
- Check the wiring harness for short.
• ECU pin #61
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.
P1534 #2 Heater operating cir- - #2 heater circuit malfunction: Open.
cuit - Open - Check the wiring harness for open.
• ECU pin #62
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.
P1535 #2 Heater operating cir- - #2 heater circuit malfunction: Short.
cuit - Short to B+ - Check the wiring harness for short.
• ECU pin #62
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.
P1536 #2 Heater operating cir- - #2 heater circuit malfunction: Short
cuit - Short to Ground to ground.
- Check the wiring harness for short.
• ECU pin #62
- Check the heater relay operations.
- If the forced operation is not available,
replace the ECU.
- Check the ECU wiring and replace the
ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 29

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1254 Maximum Rail Pressure - Rail pressure faults: Too high
Control Malfunction (IMV - Check the IMV wiring harness.
Fault)
- Check the ECU wiring harness.

ECU
• Check the ECU pin #87 for open
and short.
- Check the high pressure fuel lines, fuel
rails and high pressure pipes for leaks.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel
pressure lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P1253 Minimum Rail Pressure - Rail pressure faults: Too low O
Control Malfunction (IMV - Check the IMV wiring harness.
Fault)
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the high pressure fuel lines, fuel
rails and high pressure pipes for leaks.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel
pressure lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
30 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1256 Too Small Transfer Pres- - Rail pressure fault: IMV current trim
sure Fuel in Rail Pressure too high, drift.
System - Check the IMV wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel
pressure lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P1257 Too Large Transfer Pres- - Rail pressure fault: IMV current trim O
sure Fuel in Rail Pressure too high, drift.
System - Check the IMV wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel
pressure lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 31

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1258 Too Small High Pressure - Rail pressure fault: IMV current trim
Fuel in Rail Pressure Sys- too high, drift.
tem - Check the IMV wiring harness.

ECU
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P1259 Too Large High Pressure - Rail pressure fault: IMV current trim
Fuel in Rail Pressure Sys- too high, drift.
tem - Check the IMV wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
32 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1191 Pressure Build Up - Too - The pressure build up during crank- O
Slow ing is too slow.
- Check the IMV wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P0255 IMV Driver Circuit Mal- - IMV driver circuit malfunction: Open O O
function - Open - Check the IMV wiring harness.
• Check the ECU pin #87 for open.
- Check the ECU wiring harness.
- Check the IMV resistance.
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P0251 IMV Driver Circuit Mal- - IMV driver circuit malfunction: Short O O
function - Short - Check the IMV wiring harness.
• Check the ECU pin #87 for short.
- Check the ECU wiring harness.
- Check the IMV resistance.
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P0253 IMV Driver Circuit Mal- - IMV driver circuit malfunction: Short O O O
function - Short to Ground to ground
- Check the IMV wiring harness.
• Check the ECU pin #87 for short
to ground.
- Check the ECU wiring harness.
- Check the IMV resistance.
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 33

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
- The intake air temperature sensing
value is lower than maximum value
of 150°C: Open

ECU
- Check the supply voltage to sensor.
• Actual air temperature vs. Voltages
• 20°C: 2.65 Ω
• 30°C: 2.18 Ω
• 50°C: 1.40 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the sensor wiring harness.
• Check the source power circuit
for short to ground.
- Check the sensor resistance.
• Actual air temperature vs. Resis-
tance
• -40°C: 39.260 Ω
• -20°C: 13.850 Ω
• 0°C: 5.499 Ω
• 20°C: 2.420 Ω
• 40°C: 1.166 Ω
• 60°C: 0.609 Ω
• 80°C: 0.340 Ω
• 100°C: 0.202 Ω
• 120°C: 0.127 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the ECU wiring harness.
• Check the ECU pin #64 and #84
for open.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
34 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0112 Intake Air Temperature Cir- - The intake air temperature sensing
cuit Malfunction - Open value is lower than maximum value
of 150°C: Open
- Check the supply voltage to sensor.
• Actual air temperature vs. Voltages
• 20°C: 2.65 Ω
• 30°C: 2.18 Ω
• 50°C: 1.40 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the sensor wiring harness.
• Check the source power circuit
for short to ground.
- Check the sensor resistance.
• Actual air temperature vs. Resis-
tance
• -40°C: 39.260 Ω
• -20°C: 13.850 Ω
• 0°C: 5.499 Ω
• 20°C: 2.420 Ω
• 40°C: 1.166 Ω
• 60°C: 0.609 Ω
• 80°C: 0.340 Ω
• 100°C: 0.202 Ω
• 120°C: 0.127 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the ECU wiring harness.
• Check the ECU pin #64 and #84
for open.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 35

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0110 Intake Air Temperature Cir- - The intake air temperature sensing
cuit Malfunction - Source value is lower than minimum value or
Power Problem higher than maximum value, or the ex-

ECU
ternal power to HFM sensor is faulty.
- Check the supply voltage to sensor.
• Actual air temperature vs. Voltages
• 20°C: 2.65 Ω
• 30°C: 2.18 Ω
• 50°C: 1.40 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the sensor wiring harness.
• Check the source power circuit
for short to ground.
- Check the sensor resistance.
• Actual air temperature vs. Resis-
tance
• -40°C: 39.260 Ω
• -20°C: 13.850 Ω
• 0°C: 5.499 Ω
• 20°C: 2.420 Ω
• 40°C: 1.166 Ω
• 60°C: 0.609 Ω
• 80°C: 0.340 Ω
• 100°C: 0.202 Ω
• 120°C: 0.127 Ω
• Recovery values when intake air
temperature sensor failure: 50°C
- Check the ECU wiring harness.
• Check the ECU pin #64 and #84
for open and short.
- Replace the ECU if required.
P1171 #1 Injector MDP Malfunction - The #1 injector MDP is faulty.
- C2I coding check
- Check fault code
- No fault condition, vehicle speed 70 KPH
- Coolant temp. 75°C above condition
try again
- Replace the injector and perform C2I
coding again.
P1172 #2 Injector MDP Malfunction - The #2 injector MDP is faulty.
- C2I coding check
- Check fault code
- No fault condition, vehicle speed 70 KPH
- Coolant temp. 75°C above condition
try again
- Replace the injector and perform C2I
coding again.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
36 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1174 #4 Injector MDP Malfunction - The #4 injector MDP is faulty.
- C2I coding check
- Check fault code
- No fault condition, vehicle speed 70 KPH
- Coolant temp. 75°C above condition
try again
- Replace the injector and perform C2I
coding again.
P1175 #5 Injector MDP Malfunction - The #5 injector MDP is faulty.
(only D27DT) - C2I coding check
- Check fault code
- No fault condition, vehicle speed 70 KPH
- Coolant temp. 75°C above condition
try again
- Replace the injector and perform C2I
coding again.
P1173 #3 Injector MDP Malfunction - The #3 injector MDP is faulty.
- C2I coding check
- Check fault code
- No fault condition, vehicle speed 70 KPH
- Coolant temp. 75°C above condition
try again
- Replace the injector and perform C2I
coding again.
P1252 Too High IMV Pressure - The rail pressure is excessively high.
- Check the IMV wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #87 for open
and short.
- Check the rail pressure sensor.
• Supply voltage: 5 ± 0.1 V
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the transfer pressure fuel lines.
• Check the fuel level in fuel tank.
Check the fuel system for air influx.
• Check the fuel filter specification.
- Check the high pressure fuel system.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the IMV resistance: 5.44 Ω
• When out of specified value: re-
place high pressure pump and IMV
- Replace the ECU if required.
P1120 Accelerator Pedal Sensor - The potentiometer 1 is not plausible O
#1 Malfunction with potentiometer 2.
- Check the supply voltage to sensor.
- Check the wiring harness.
• Check the ECU pin #71, 53 and
#32, 14 for open and short.
- Check the accelerator pedal module.
- Check the ECU wiring harness.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 37

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1121 Accelerator Pedal Sensor - The potentiometer 2 is not plausible O O
#2 Malfunction with potentiometer 1.
- Check the supply voltage to sensor.

ECU
- Check the wiring harness.
• Check the ECU pin #71, 53 and
#32, 14 for open and short.
- Check the accelerator pedal module.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1122 Accelerator Pedal Sensor - When triggering limp home mode. O O
Malfunction (Limp Home - Check the supply voltage to sensor.
Mode)
- Check the wiring harness.
• Check the ECU pin #72, 71, 53 and
#57, 32, 14 for open and short.
- Check the accelerator pedal module.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1123 Accelerator Pedal Sensor - When triggering reduced torque mode. O O
Malfunction (Reducde Torque - Check the supply voltage to sensor.
Mode)
- Check the wiring harness.
• Check the ECU pin #72, 71, 53 and
#57, 32, 14 for open and short.
- Check the accelerator pedal module.
- Check the ECU wiring harness.
- Replace the ECU if required
P1124 Accelerator Pedal Sensor - The accelerator pedal sensor is stuck. O
Malfunction - Stuck - Check the brake switch wiring har-
ness and operations.
- Check the accelerator pedal operations.
- Check the accelerator pedal module.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0122 Accelerator Pedal Sensor - Out of range about potentiometer 1 O O
#1 Malfunction - Open of pedal sensor: lower than speci-
fied values
- Check the supply voltage to sensor.
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #71, #53 for
open and poor contact.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0123 Accelerator Pedal Sensor - Out of range about potentiometer 1 O
#1 Malfunction - Short of pedal sensor: higher than speci-
fied values
- Check the supply voltage to sensor.
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #71, #53 for
short and poor contact.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
38 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0120 Accelerator Pedal Sensor - The 5 V supply voltage is faulty. O
#1 Malfunction - Supply - Check the supply voltage to sensor.
Voltage Fault
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #72, #53 for
open and short.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0222 Accelerator Pedal Sensor - Out of range about potentiometer 2 O O
#2 Malfunction - Open of pedal sensor: lower than speci-
fied values
- Check the supply voltage to sensor.
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #32, #14 for
open and poor contact.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0223 Accelerator Pedal Sensor - Out of range about potentiometer 2 O
#2 Malfunction - Short of pedal sensor: higher than speci-
fied values
- Check the supply voltage to sensor.
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #32, #14 for
short and poor contact.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0220 Accelerator Pedal Sensor - The 2.5 V supply voltage is faulty. O
#2 Malfunction - Supply - Check the supply voltage to sensor.
Voltage Fault
- Check the wiring harness.
• Check the circuit for open and short.
• Check the ECU pin #57, #14 for
open and short.
- Check the accelerator pedal.
- Check the ECU wiring harness.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 39

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0192 Fuel Rail Pressure Sensor - The fuel rail pressure sensing values O
Malfunction - Open are lower than specified values.
• Minimum sensing values: - 112 bar

ECU
(Open)
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #25, #26 for
open and poor contact.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.
P0193 Fuel Rail Pressure Sensor - The fuel rail pressure sensing values O
Malfunction - Short are higher than specified values.
• Maximum sensing values: 1,600
bar (Short)
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055±
0.125V
• Output voltage at atmospheric
pressure: 0.5±0.04V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #25, #26 for
short and poor contact.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.
P0190 Supply Voltage Fault to - The supply voltage to fuel rail pres- O
Fuel Rail Pressure Sensor sure sensor is faulty.
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055±
0.125V
• Output voltage at atmospheric
pressure: 0.5±0.04V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #6, #26 for
open and short.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
40 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0191 Fuel Rail Pressure Sensor - The rail pressure drop is too high. O O
Signal Fault - Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #6, #26 for
open and short.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.
P1192 Fuel Rail Pressure Sensor - The rail pressure sensor initial val- O
Initial Signal Fault - Low ues are lower than specified values
with the ignition “ON”.
• Minimum sensing values: - 9 0
bar (Open)
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #25, #26 for
open and poor contact.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.
P1193 Fuel Rail Pressure Sensor - The rail pressure sensor initial val- O
Initial Signal Fault - High ues are higher than specified values
with the ignition “ON”.
• Maximum sensing values: 90 bar
(Short)
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #25, #26 for
short and poor contact.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 41

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1190 Fuel Rail Pressure Sensor - The rail pressure sensor initial val- O O
Initial Signal Fault ues are higher or lower than speci-
fied values with the ignition “ON”.

ECU
• Maximum sensing values: 90 bar
(Short)
• Minimum sensing values: - 90
bar (Open)
- Check the supply voltage to sensor.
• Output voltage at 1600 bar: 4.055
± 0.125 V
• Output voltage at atmospheric
pressure: 0.5 ± 0.04 V
- Check the sensor and ECU wiring
harness.
• Check the ECU pin #25, #26 for
open and short.
• Check the fuel rails and high pres-
sure pipes for leaks.
- Check the fuel rail pressure sensor.
- Replace the ECU if required.
P0215 Main Relay Fault - Stuck - The main relay is stuck ; Shut down.
- Resistance of main relay: 92 Ω ± 9 Ω
(at 20°C)
- Check the main relay wiring harness.
- Check the ECU wiring harness.
• Check the ECU pin #3, 4, 5 for open
and short.
- If the forced operation is not available,
replace the ECU.
- Check the fuse for main relay
P1500 Vehicle Speed Fault - The vehicle speed signal through CAN
communication is faulty.
- Check the CAN communication line for
open and short.
- Check the ABS/ESP and TCU commu-
nication lines.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0642 ECU Supply Voltage 1 - Malfunction reference supply voltage
Fault - Low (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1
- Check the wiring harnesses.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
42 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0643 ECU Supply Voltage 1 - Malfunction reference supply voltage
Fault - High (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1
- Check the wiring harnesses.
- Replace the ECU if required.
P0641 ECU Supply Voltage 1 - Malfunction reference supply voltage
Fault (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1
- Check the wiring harnesses.
- Replace the ECU if required.
P0652 ECU Supply Voltage 2 - Malfunction reference supply voltage O O O
Fault - Low (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1, HFM sensor, rail
pressure sensor, booster pres-
sure sensor, cam sensor
- Check the wiring harnesses.
- Replace the ECU if required.
P0653 ECU Supply Voltage 2 - Malfunction reference supply voltage O O
Fault - High (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1, HFM sensor, rail
pressure sensor, booster pres-
sure sensor, cam sensor
- Check the wiring harnesses.
- Replace the ECU if required.
P0651 ECU Supply Voltage 2 - Malfunction reference supply voltage O O
Fault (5 V) from ECU
• Supply voltage: 5 V
- Check the supply voltage to each
sensor
• Supply voltage (5 V): accelerator
pedal sensor 1, HFM sensor, rail
pressure sensor, booster pres-
sure sensor, cam sensor
- Check the wiring harnesses.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 43

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0698 ECU Supply Voltage Fault - Malfunction reference supply voltage
- Low (2.5 V) from ECU
• Supply voltage: 2.5 V

ECU
- Check the supply voltage to each
sensor
• Supply voltage (2.5 V): accelera-
tor pedal sensor 2
- Check the wiring harnesses.
- Replace the ECU if required.
P0699 ECU Supply Voltage Fault - Malfunction reference supply voltage
- High (2.5 V) from ECU
• Supply voltage: 2.5 V
- Check the supply voltage to each
sensor
• Supply voltage (2.55 V): accelera-
tor pedal sensor 2
- Check the wiring harnesses.
- Replace the ECU if required.
P0697 ECU Supply Voltage Fault - Malfunction reference supply voltage
(2.5 V) from ECU
• Supply voltage: 2.5 V
- Check the supply voltage to each
sensor
• Supply voltage (2.55 V): accelera-
tor pedal sensor 2
- Check the wiring harnesses.
- Replace the ECU if required.
P0245 Turbo Charger Actuator - The waste gate driver circuit is short O
Circuit Fault - Short to ground or open
- Check the actuator wiring harness.
- Check the solenoid valve.
- Check the ECU wiring harness.
• Check the ECU pin #95 for open
and short.
- Replace the ECU if required.
P0246 Turbo Charger Actuator - The turbo charger actuator power O O
Circuit Fault - Short to B+ source circuit is short.
- Check the actuator wiring harness.
- Check the solenoid valve.
- Check the ECU wiring harness for
short and poor contact.
- Replace the ECU if required.
P0606 ECU Watchdog Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1607 ECU Injector Cut Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
44 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1600 ECU Shut Down Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1601 ECU Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1602 ECU Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1614 ECU C2I/MDP Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check C2I code
- Check the ECU.
- Replace the ECU if required.
P1615 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1616 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1606 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1620 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1621 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P1622 ECU Fault - The ECU is defective. O O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 45

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1148 Accelerometer (Knock - Check if the MDP is successful. O
Sensor) Learning Fault - Check the accelerometer (knock
sensor) sensor and wiring harness.

ECU
- Replace the ECU if required.
P0400 EGR Control Valve Fault - When the EGR emission is more than
specified value.
• The EGR controller circuit is open
or short to ground.
• The EGR controller is short to
battery.
- Check the EGR actuator wiring harness.
- Check the supply voltage to EGR so-
lenoid valve.
- Check if the EGR valve is stuck.
- Check the resistance of EGR valve:
15.4 Ω.
- Check the ECU wiring harness.
• Check the ECU pin #96 for open
and short.
P1235 VGT Operation Fault - The boost pressure control is faulty. O
- Check the air intake system.
- Check the supply voltage to sensor.
- Check the wiring harness and the
ECU wiring harness.
- Replace the ECU if required.
P1608 ECU Fault - The ECU is defective. O
- Check the chassis ground wiring
harness.
- Check the ECU.
- Replace the ECU if required.
P0335 No Crank Signals - Refer to P0372. O
P1170 Torque Trim Fault - High - Refer to P0372.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
46 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1676 Glow Plug Communication - The communication between ECU and
Fault glow controller is faulty.
- Check the communication line be-
tween ECU and glow controller.
- Check the glow plug wiring harness.
- Check the resistance of glow plug:
below 1 Ω.
- Check the glow controller.
- Check the ECU wiring harness.
• Check the ECU pin #34 for short to
ground.
- Replace the ECU if required.
P1677 Glow Plug Controller Fault - glow controller is faulty.
- Check the communication line be-
tween ECU and glow controller.
- Check the glow plug wiring harness.
- Check the resistance of glow plug:
below 1Ω.
- Check the glow plug relay.
- Check the ECU wiring harness.
• Check the ECU pin #34 for short to
ground.
- Replace the ECU if required.
P0671 #3 Glow Plug Fault - Open - The glow plug circuit is open.
- Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0672 #4 Glow Plug Fault - Open - The glow plug circuit is open.
- Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0673 #5 Glow Plug Fault - Open - The glow plug circuit is open.
- Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 47

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P0674 #1 Glow Plug Fault - Open - The glow plug circuit is open.
- Check the communication line be-
tween ECU and each glow plug.

ECU
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0675 #2 Glow Plug Fault - Open - The glow plug circuit is open.
- Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1671 #3 Glow Plug Fault - Short - The glow plug circuit is short.
(B+) - Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω.
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1672 #4 Glow Plug Fault - Short - The glow plug circuit is short.
(B+) - Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1673 #5 Glow Plug Fault - Short - The glow plug circuit is short.
(B+) - Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P1674 #1 Glow Plug Fault - Short - The glow plug circuit is short.
(B+) - Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1 Ω
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
48 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1675 #2 Glow Plug Fault - Short - The glow plug circuit is short.
(B+) - Check the communication line be-
tween ECU and each glow plug.
- Check each glow plug wiring harness.
- Check the resistance of each glow
plug: below 1Ω
- Check or replace glow controller.
- Check the ECU wiring harness.
- Replace the ECU if required.
P0700 TCU Signal Fault - The communication between ECU and
TCU is faulty.
- Check the communication line be-
tween ECU and TCU.
- Check the ECU pin #54, 73 for open
and short.
- Replace the ECU or TCU if required.
P1540 Air Conditioner Operating - Check the air conditioner sensors and
Circuit Fault - Open wiring harnesses.
- Check the ECU wiring harness.
- Check the ECU if required.
P1541 Air Conditioner Operating - Check the air conditioner sensors and
Circuit Fault - Short wiring harnesses.
- Check the ECU wiring harness.
- Check the ECU if required.
P1542 Air Conditioner Operating - Check the air conditioner sensors and
Circuit Fault - Short to wiring harnesses.
Ground - Check the ECU wiring harness.
- Check the ECU if required.
P1149 Too High Water Level in - Drain the water from fuel filter. O
Fuel Filter
P1634 Immobilizer Fault (refer to - No response from immobilizer.
immobilizer section) - Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna.
- Replace the ECU if required.
P1635 No response from Immo- - No response from immobilizer.
bilizer (refer to immobilizer - Perform the immobilizer coding again.
section)
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna.
- Replace the ECU or immobilizer if
required.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 49

Torque Torque Delayed Immediately Limp

SCAN
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1630 Wrong response from Im- - The invalid key is inserted or no communi-
mobilizer (refer to immo- cation between transponder and immobi-
bilizer section) lizer (no response from transponder).

ECU
- Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.
P1631 Immobilizer Fault (refer to - The immobilizer is not operating.
immobilizer section) - Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.
P1632 Immobilizer Fault (refer to - No response from immobilizer.
immobilizer section) - Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.
P1633 Immobilizer Fault (refer to - No key coding.
immobilizer section) - Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.
P0633 Immobilizer Fault (refer to - Key memory is not available
immobilizer section) (permissible - 5).
- Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN
50 ECU

Torque Torque Delayed Immediately Limp

DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode
P1636 Immobilizer Fault (refer to - Severe trouble is not defined.
immobilizer section) - Perform the immobilizer coding again.
- Check the ECU wiring harness.
• Check the ECU pin #34 for open
and short.
- Check the immobilizer unit for open and
short or check the supply voltage.
- Check the immobilizer antenna and
transponder for damage.
- Replace the ECU if required.
P1102 High HFM Sensor Signal - HFM sensing values are higher than
specified sensing values (not circuit
failure but sensor failure).
P1103 Low HFM Sensor Signal - HFM sensing values are lower than
specified sensing values (not circuit
failure but sensor failure).
P1501 Variant coding failure - If the vehicle speed is below 15 km/h
(vehicle speed) (even over 1,600 rpm of engine speed)
when the “Vehicle speed sensor” cod-
ing is “YES” (Non-ABS vehicle), the
vehicle speed input failure appears.
- If the “Vehicle speed sensor” coding
is “NO” (CAN, ABS/ESP vehicle), the
trouble code does not appear.
- Check the “Vehicle speed sensor” coding.
P1503 Vehicle speed sensor - If the pulse from speed pulse ring is
input failure more than specified value during the
specified interval when the “Vehicle
speed sensor” coding is “YES” (Non-
ABS vehicle), the vehicle speed sen-
sor failure appears.
- Specified pulse: 52 pulses/1 revolution
- Check the “Vehicle speed sensor” coding.
P0600 CAN BUS failure - CAN related device in ECU is defective.
- CAN communication between units is
failure.
P0602 Vehicle speed sensor - Even though the ESP or TCCU is not
coding failure installed in the vehicle, the vehicle
speed signal is sent through CAN
communication.
P0608 ABS/ESP coding failure - ABS/ESP variant coding is failure.
- CAN communication is failure.
P0613 TCU coding failure - TCU variant coding is failure.
- CAN communication between units is
failure.
P0644 CAN cluster failure - CAN cluster is failure.
- CAN communication between units is
failure.

DIAGNOSIS CHANGED BY
ACTYON SM - 2006.03 EFFECTIVE DATE
AFFECTED VIN
 ECU 51

SCAN
Torque Torque Delayed Immediately Limp
DTC Trouble Help Reduction Reduction Engine Engine Home MIL
(max.50%) (max.20%) Stop Stop Mode

ECU
P1565 Auto cruise switch - Auto cruise acceleration switch or
failure (Acceleration) related wiring harness is defective.
P1566 Auto cruise switch - Auto cruise OFF switch or related
failure (OFF) wiring harness is defective.
P1567 Auto cruise switch - Auto cruise switch or related wiring
failure harness is defective.
P1568 Auto cruise switch - Auto cruise deceleration switch or
failure (Deceleration) related wiring harness is defective.
P1569 Auto cruise switch - Auto cruise safety switch or related
failure (Safety) wiring harness is defective.
P3040 ECU internal failure - ECU internal failure
P3041 ECU internal failure - ECU internal failure
(only D27DT)
P1657 Engine mount control - Engine mount level control circuit is
failure (Open) failure.
P1658 Engine mount control - Engine mount level control circuit is
failure (Short to B+) short to B+.
P1659 Engine mount control - Engine mount level control circuit is
failure (Short to ground) short to ground.
P0805 Abnormal neutral signal - The “Neutral” signal from manual
transmission is sent to CAN cluster.
Then, CAN cluster sends this signal
to ECU via CAN communication line.
- ECU cannot determine where the sig-
nal problem is; in neutral switch, wir-
ing or CAN communication line.
- Check the neutral switch wiring
harness.

CHANGED BY DIAGNOSIS
EFFECTIVE DATE ACTYON SM - 2006.03
AFFECTED VIN