CONTROLLERS

E rro r C o d e s a n d T ro u b le s h o o tin g s a re s h o w n b e lo w .
R e fe r to “ L o c a tio n s o f S e n s o rs a n d S w itc h e s ” o n la te r p a g e s .

E rr
D e s c rip tio n P ro b a b le c a u s e C h e c k p o in t
code

F01 M e m o ry e rr 1 . C o n tro lle r b a d

F02 B a tte ry v o lta g e fa u lt 1 . C o n n e c to r c o n ta c t b a d 1 . C o n n e c to r c o n n e c tio n c h e c k

2 . H a rn e s s b a d 2 . H a rn e s s c o n n e c tio n c h e c k

3. C o n tro lle r b a d

F03 V C M c o m m u n ic a tio n e rr 1 . C o n n e c to r c o n ta c t b a d 1 . C o n n e c to r c o n n e c tio n c h e c k

2 . H a rn e s s b a d 2 . H a rn e s s c o n n e c tio n c h e c k

3. V C M C o n tro lle r b a d 3. C o m m u n ic a tio n lin e c h e c k

4. C o n tro lle r b a d

F07 M P c o m m u n ic a tio n e rr 1 . C o n n e c to r c o n ta c t b a d 1 . C o n n e c to r c o n n e c tio n c h e c k

2 . H a rn e s s b a d 2 . H a rn e s s c o n n e c tio n c h e c k

3. M e te r p a n e l b a d 3. C o m m u n ic a tio n lin e c h e c k

4. C o n tro lle r b a d

F10 L ift le v e r n e u tra l 1 . C o n n e c to r c o n ta c t b a d 1 . C o n n e c to r c o n n e c tio n c h e c k

2 . H a rn e s s b a d 2 . H a rn e s s c o n n e c tio n c h e c k

3. L ift le v e r b a d 3. L e v e r c o n n e c tio n c h e c k

4. C o n tro lle r b a d

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Err
Description Probable cause Check point
code

F11 Tilt lever neutral 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Tilt lever bad 3. Lever connection check

4. Controller bad

F12 A tt1 lever neutral 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. A tt1 lever bad 3. Lever connection check

4. Controller bad

F13 A tt2 lever neutral 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. A tt2 lever bad 3. Lever connection check

4. Controller bad

F14 A tt3 lever neutral 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. A tt3 lever bad 3. Lever connection check

4. Controller bad

F16 Shift lever fault 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Shift lever bad 3. Shift lever check

4. Controller bad

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Err
Description Probable cause Check point
code

F17 Speed err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Speed sensor bad 3. Sensor connection check

4. Controller bad

F20 Lift lever err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Lift lever bad 3. Lever connection check

4. Controller bad

F22 Tilt lever err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Tilt lever bad 3. Lever connection check

4. Controller bad

F24 Att1 lever err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Att1 lever bad 3. Lever connection check

4. Controller bad

F26 Att2 lever err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Att2 lever bad 3. Lever connection check

4. Controller bad

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Err
Description Probable cause Check point
code

F28 Att3 lever err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Att3 lever bad 3. Sensor connection check

4. Controller bad

F32 Lift oil prs err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Lift oil prs sensor bad 3. Sensor connection check

4. Controller bad

F34 Speed sensor err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Speed sensor bad 3. Sensor connection check

4. Controller bad

F36 W heel sensor err 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. W heel sensor bad 3. Sensor connection check

4. J oint and link bad 4. J oint and link check

5. Controller bad

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Err
Description Probable cause Check point
code

F38 Tilt sensor err 1. Connector contact bad 1. Link comes and damage check

2. Connector connection check

2. Harness bad 3. Harness connection check

3. Tilt sensor bad 4. Sensor connection check

4. Controller bad

F40 Steering fault 1. Connector contact bad 1. Connector connection check

2. Harness bad 2. Harness connection check

3. Wheel sensor bad 3. Sensor connection check

4. Controller bad

F5 0 Lift U P sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Lift U P sol bad 4. Lift U P sol connection check

5. Controller bad

F5 2 Lift DN sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Lift DN sol bad 4. Lift DN sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F54 Lift sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Lift sol bad 4. Lift sol connection check

5. Controller bad

F55 Tilt F W sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Tilt F W sol bad 4. Tilt F W sol connection check

5. Controller bad

F57 Tilt BW sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Tilt BW sol bad 4. Tilt BW sol connection check

5. Controller bad

F59 Tilt sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Tilt sol bad 4. Tilt sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F60 Att1A sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att1A sol bad 4. Att1A sol connection check

5. Controller bad

F62 Att1B sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att1B sol bad 4. Att1B sol connection check

5. Controller bad

F64 Att1 sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att1 sol bad 4. Att1 sol connection check

5. Controller bad

F65 Att2A sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att2A sol bad 4. Att2A sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F67 Att2B sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att2B sol bad 4. Att2B sol connection check

5. Controller bad

F69 Att2 sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att2 sol bad 4. Att2 sol connection check

5. Controller bad

F70 Att3A sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att3A sol bad 4. Att3A sol connection check

5. Controller bad

F72 Att3B sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att3B sol bad 4. Att3B sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F74 Att3 sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Att3 sol bad 4. Att3 sol connection check

5. Controller bad

F75 Unload sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Unload sol bad 4. Unload sol connection check

5. Controller bad

F77 Liftlock sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Liftlock sol bad 4. Liftlock sol connection check

5. Controller bad

F79 Unload sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Unload sol bad 4. Unload sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F80 K nob pos sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. K nob pos sol bad 4. K nob pos sol connection check

5. Controller bad

F82 Tiltlock sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. Tiltlock sol bad 4. Tiltlock sol connection check

5. Controller bad

F84 K nob pos sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. K nob pos sol bad 4. K nob pos sol connection check

5. Controller bad

F85 T/M FW sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. T/M FW sol bad 4. T/M FW sol connection check

5. Controller bad

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Err
Description Probable cause Check point
code

F87 T/M BW sol err 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. T/M BW sol bad 4. T/M BW sol connection check

5. Controller bad

F89 T/M sol leak 1. Connector contact bad 1. Connector connection check

2. Diode bad 2. Diode connection check

3. Harness bad 3. Harness connection check

4. T/M sol bad 4. T/M sol connection check

5. Controller bad

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CONTROLLERS

5 . Erro r Co d e s (Re la te d to Sa fe ty Eq u ip m e n t)
Err
code Description Criteria Possible Cause
F-16 Shift lever error Plural O Ns of direction lever contact signal. 1. Direction lever mounting defect.
Threshold 2. Direction lever contact defect.
Error: Double inputs of direction lever. 3. Harness defect.
Duration: Min. 400 mS 4. Controller defect.
5. Instrument panel defect.
F-17 Speed error Detects abnormal speed (min. 30 km/h). 1. Speed sensor mounting defect.
Threshold 2. Speed sensor defect.
Error: Any speed outside the range of 3. Harness defect.
0 to 30 km/h. 4. Controller defect.
Duration: Min. 400 mS
F-34 Speed sensor Disconnection or short circuit of speed
error sensor.
Threshold
Error: 1.3 V or less or 4.9 or more
Duration: Min. 400 mS
F-75 Unload Abnormal unload solenoid current value 1. Unload solenoid defect.
solenoid error (outside the specified value). 2. Harness defect.
Threshold 3. Controller defect.
Error: (1) 160 mA or less or
(2) 4.8 A or more
Duration: (1) Min. 1800 mS or
(2) Min. 200 mS
F-77 Lift lock Abnormal lift lock solenoid current value 1. Lift lock solenoid defect.
solenoid error (outside the specified value). 2. Harness defect.
(VCM-1 only) Threshold 3. Controller defect.
Error: (1) 160 mA or less or
(2) 4.8 A or more
Duration: (1) Min. 1800 mS or
(2) Min. 200 mS
F-79 Unload Current is not z ero when solenoid output is 1. Unload or lift lock solenoid defect.
solenoid/lift O FF. 2. Harness defect.
lock solenoid Threshold 3. Controller defect.
leak Error: 180 mA or more with solenoid O FF.
Duration: Min. 600 mS
F-85 T/M forward Abnormal T/M Forward solenoid current 1. T/M Forward solenoid defect.
solenoid error value (outside the specified value). 2. Harness defect.
Threshold 3. Controller defect.
Error: (1) 250 mA or less or
(2) 3.8 A or more
Duration: (1) Min. 1800 mS or
(2) Min. 200 mS
F-87 T/M backward Abnormal T/M Backward solenoid current 1. T/M Backward solenoid defect.
solenoid error value (outside the specified value) 2. Harness defect.
Threshold 3. Controller defect.
Error: (1) 250 mA or less or
(2) 3.8 A or more
Duration: (1) Min.1800 mS or
(2) Min. 200 mS
F-89 T/M solenoid Current is not z ero when solenoid output is 1. T/M forward solenoid or backward
leak O FF. solenoid defect.
Threshold 2. Harness defect.
Error: 280 mA or more with solenoid O FF. 3. Controller defect.
Duration: Min. 600 mS

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 CONTROLLERS

6 . H arness Codes
Code Name Code No. Remarks
1 Seat Switch 610 0.3 B
2 Seat Belt Switch 609 0.3 W
3 Seat Switch GND 966 0.5 B
4 Parking Brake Switch N.O 373 0.3 W/L
5 Parking Brake Switch N.O 349 0.3 P/L
6 Parking Brake Switch GND 949 0.3 B
7 Lift Control Limit Switch 676 0.3 W/B
8 Lift Control Limit Switch GND 977 0.3 B
9 FNR Direction Lever 1 125 0.3 GY/L
10 FNR Direction Lever 2 921 0.3 B
11 FNR Direction Lever 3 611 0.3 G/R
12 FNR Direction Lever 4 922 0.3 B
13 FNR Direction Lever 5 461 0.3 L/W
14 Speed Sensor + 702 0.5 G
15 Speed Sensor – 703 0.5 G/B
16 Forward Solenoid 670 0.5 W
17 Forward Solenoid RET 672 0.5 B/R
18 Backward Solenoid 671 0.5 Y
19 Backward Solenoid RET 673 0.5 B/R
20 Unload Solenoid 630 0.5 R/B
21 Unload Solenoid RET 631 0.5 R/L
22 Lift Lock Solenoid 628 0.5 L/Y
23 Lift Lock Solenoid RET 629 0.5 R/L
24 Warning Buzzer 371 (625) 0.3 P/B
25 Warning Buzzer + 12V 370 0.3 G
26 Warning Buzzer Relay Contact a 373 0.3 EW/L
27 Warning Buzzer Relay Contact c 371 0.3 P/B
28 Warning Buzzer Relay + 12V 372 0.3 B/W
29 Warning Buzzer Relay 0V 906 0.3 B
30 Fuel Gauge FUEL 302 0.3 Y/B
31 Brake Lamp PKB 349 0.3 P/L
32 Oil Pressure OIL 342 0.5 PU
33 Water Temperature TEMP 301 0.5 Y/R
Instrument Panel

34 Shift Lever Reverse R 613 0.3 L/W

35 Shift Lever Neutral N 612 0.3 GY/L
36 Shift Lever Forward F 611 0.3 G/R
37 CAN 717 0.3 B/W
38 CAN 718 0.3 L/R
39 12V 300 1.25 Y
40 LAMP 230 0.3 R/B
41 ALT 341 0.85 P
42 GND 920 1.25 B
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7 . Controller Details
7 .1 VCM Controller

CN1
(White connector) VCM
Controller
CN2
(Gray connector)

(RIGHT SIDE)

Name plate
Rubber cap
(Service tool connection)

(1) VCM-1 Controller

CN1 (White) (22 pin) CN1 (White) (12 pin)

676 618
708 705 662 615 616 628 625 716 600 601
677
707 704 706 663 664 970 617 630 631 715 975 976

CN2 (Gray) (22 pin) CN2 (Gray) (12 pin)

610 642 346 374 709 670 672 701 603 702
609 623 345 343 710 711 671 700 703

210811

(2) VCM-2 Controller

CN1 (White) (22 pin) CN1 (White) (26 pin)

722 705 618 825 826 625 156 600 601

617 827 829 630 631 155 975 976
723 707 704 706 663 664

CN2 (Gray) (22 pin) CN2 (Gray) (16 pin)

610 641 709 670 672 701 810 815 603 702
609 623 635 345 343 710 811 812 818
711 671 700 127 703

210812

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 CONTROLLERS

7.2 Seat Sw itc h /Seat B elt Sw itc h

(White)

610 966 609

Seat belt

0.5 B
610
0.5 B
966
0.5 W
609
Seat switch
210813

7.3 P ark ing B rak e Sw itc h

Parking brake switch

( Release ) 0.5 W/L
373
0.5 B
949
0.5 P/L
( Lock ) 349
( Black )

373 949 349

210814

7.4 Direc tion Lev er

Direction lever ( shift lever )

( White )

921 922

611 126 461

R1
F1
N

0.5 Y/L
126
1

0.5 B
2

921
0.5 G/R
3

611
0.5 B
922
4

0.5 L/W
461
5

210815

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CONTROLLERS

er

ch/
al switch
S
(

7.5 Speed Sensor

Transmission (Right side)

Speed sensor
0.5 G
702
0.5 G/B
703
( White )

702 703
210816

Speed sensor

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 CONTROLLERS

7.6 T/M Solenoid

T/M forward/reverse solenoid

T/M solenoid

0.5 W
670
(L.H)

Forward 0.5 B/R

672
0.5 Y
671
0.5 B/R
673
(R.H)

Reverse

671 670
673 672

210817 ( Gray )

7.7 U nload Solenoid

Unload solenoid

0.5 OR/B
632
0.5 OR/L
631

632 631

( Black )
210818

7.8 Lift Lock Solenoid

Lift lock solenoid

0.5 L/Y
628
0.5 OR/L
629

628 629

( Black )
210819

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CONTROLLERS

Unloading solenoid connector

Lift lock solenoid connector

210824

MC Valve Unit (with Lift Lock Valve)

Emergency
Unload valve shutoff valve
Unload valve solenoid solenoid (lift lock) Tilt valve assembly

Main relief
Emergency shutoff vavle
b2 SOL
(PF relief) b1 SOL b3 SOL (Attachment)

Inlet valve Attachment assembly

assembly
End cover assembly

Front hydraulic
tank (oil inlet)
To hydraulic tank
To lift cylinder a3 SOL (oil return)
a2 SOL
a1 SOL

FC Valve Unit
7.9 W arning Buz z er

Warning Buzzer

0.5 P/B
371
0.5 G
370
Note : In VCM Controller connector,
the line No.371 becomes 625.
370 ( branched by harness )

( White )
371
210820

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 CONTROLLERS

7.10 Warning Buzzer Relay

Warning buzzer relay

0.5 W/L
373
0.5 P/B
371

0.5 B
906
0.5 B/W
372
( Black )
( Blue ) Relay Box 1
206 401 400 906 603 122 902 461

207 371 373 372 208 904 121 460 125

210821

7.11 Warning Buzzer Circuit

Fuse box
0.5 W/B + 12 V ( Continuous power Distribution )
120
5 W/R ( Relay ON with key in ON position )
115
5 B/Y
116

F13 10A Warning buzzer relay ( + 12 V )

1.25 B/W
130
F2 10A 0.5 G Warning
g buzzer ( + 12 V )
430

Warning buzzer VCM Controller

0.5 P/B
371 625
0.5 G
370

Warning buzzer relay

0.5 W/L
373
0.5 P/B
371

0.5 B/W
372
0.5 B
906
(0V) * Buzzer sounds with
Parking brake switch parking brake released
( Release ) and key in OFF position.
0.5 W/L
373
0.5 B
949
0.5 P/L (0V)
349
( To instrument panel )
( Lock )
210822

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7.12 Instrument Panel

Alternator not
Brake fluid level warning lamp/ changing
Seat belt warning lamp
P owershift transmission oil warning lamp
temperature warning lamp
Engine oil pressure Heater plug indicator
warning lamp
P arking brake Multi-purpose Mast interlock
warning lamp warning lamp indicator lamp

Fuel gauge Engine coolant Air cleaner warning lamp

Neutral indicator lamp temperature gauge
Fuel filter warning lamp Hour meter
Engine coolant level
warning lamp

Instrument panel
( White )
0.5 P
348
FUEL 0.5 T/B
302
Fuel gauge PKB 0.5 P/L
349
Brake lamp OIL 0.5 PU
342
Oil pressure lamp TEMP 0.5 Y/R
Signal circuit

Water temp gauge 301

R 0.5 L/W
Powershift T/M lamp 613
N 0.5 GY/L
Interlock lamp 612
F 0.5 G/R
Multi-purpose lamp 611
Mast interlock lamp 0.5 B/W
CAN H
Seat belt warning lamp 717
CAN L 0.5 L/R
718
12 V 1.25 Y
300
LAMP 0.5 R/B
230
Charge lamp ALT L 0.85 P
341
GND 1.25 B
920
0.5 Y/G
303
0.5 Y/L
304
( Black )

( White ) ( Black )

301 302 611 300 341

349 348 342 613 612 920 718 717 304 303 230

210823

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 CONTROLLERS

Locations of Sensors and Switches

Attachment
Lift lever
2 lever
Tilt lever
Attachment 1 lever

FC Lever box

VCM-1, VCM-2
(body right side) NO TE: Attachment 3 lever is equipped
for the 5-valve control valve.

209718 103564

Shift lever

Shift lever
connector Vehicle speed sensor

Shift lever Transmission

(for powershift truck) (right side)
209720 209721

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Tilt, Forward Attachment 1B

Lift, Lowering Attachment 2B
Attachment 3B

Tire angle sensor

Attachment 3A
Lift, Lifting
Attachment 2A
Tilt, Backward
Attachment 1A Rear axle
(right side)
Control valve (for FC truck)
Solenoid valves 209722 209723

Unloading solenoid connector

Lift lock solenoid connector

210824

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 CONTROLLERS

T/M forward/backward solenoid

Transmission
(for powershift truck) 209726

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CONTROLLERS

Others (Option)

Sensor Location
Tilt Angle Sensor and Connector Tilt Cylinder Pin
Tilt Lock Solenoid and Connetor Between Control Valve and Tilt Cylinder
Lift Pressure Sensor and Connector Between Control Valve and Lift Cylinder

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