auto
London
299388 london
Date
07.Apr.2024
Trouble codes
Trouble code identification
Trouble
Fault location Probable cause
code
0 Engine control module (ECM) ECM
Fuel pressure/pump, wiring short to
Heated oxygen sensor (HO2S)/oxygen
1 earth/open circuit/short to positive,
sensor (O2S)
HO2S/O2S, ECM
Manifold absolute pressure (MAP) Wiring, supply voltage, MAP sensor,
3
sensor - circuit ECM
4 Engine speed (RPM) sensor Wiring, RPM sensor, ECM
Wiring short to earth/open circuit,
Manifold absolute pressure (MAP)
5 blocked/leaking pipes, MAP sensor,
sensor
ECM
Engine coolant temperature (ECT) Wiring short to earth/open circuit, ECT
6
sensor sensor, ECM
Wiring short to earth/open circuit, TP
7 Throttle position (TP) sensor
sensor, ECM
CKP sensor, wiring short to earth/open
8 Crankshaft position (CKP) sensor
circuit, ECM
CMP sensor, wiring short to earth/open
9 Camshaft position (CMP) sensor
circuit, ECM
Wiring short to earth/open circuit, IAT
10 Intake air temperature (IAT) sensor
sensor, ECM
Barometric pressure (BARO) sensor -
13 Wiring, BARO sensor, ECM
circuit
14 Idle air control (IAC) valve - circuit Wiring, supply voltage, IAC valve, ECM
Wiring, supply voltage, ignition
15 Ignition amplifier - control circuit
amplifier, ECM
16 Injectors Wiring, supply voltage, injector, ECM
17 Vehicle speed sensor (VSS) Wiring, VSS, ECM
Vehicle data:
Registration/licens Model: Honda Accord (I/II/III/IV) [77-93] Engine code:
Model year:
1/2
Trouble
Fault location Probable cause
code
Transmission control module (TCM) to
30 engine control module (ECM) signal A Wiring, TCM, ECM
- circuit malfunction
Transmission control module (TCM) to
31 engine control module (ECM) signal B Wiring, TCM, ECM
- circuit malfunction
Oxygen sensor heater - circuit Wiring short to earth/open circuit/short to
41
malfunction positive, HO2S, ECM
Heated oxygen sensor (HO2S)/fuel Wiring, fuel pressure/pump/filter,
43
supply system - circuit malfunction injector, HO2S, ECM
Vehicle data:
Registration/licens Model: Honda Accord (I/II/III/IV) [77-93] Engine code:
Model year:
2/2
