CODE |
DIAGNOSIS |
TRIGGERED BY |
ASSOCIATED AREAS |
1 |
NORMAL |
'Check Engine' warning light will flash continously to show that the system is OK. |
NIL |
13 |
RPM signal |
[G, Ne]
When other than 24 RPM signal (Ne) were input within 2 pulse of G signal with the engine speed above 400rpm. |
* Wirings and connectors (G. NE signal systems)
* Distributor
* ECU |
22 |
Coolant temperature signal |
[THW, E2]
Whenever a short circuit or a circuit detachment in the coolant temperature sensor is detected, or coolant temperature exceeds 138 centigrade. |
* Wirings and connectors (coolant temp systems)
* Coolant temp sensor
* ECU |
24 |
Intake air temperature signal |
[THA, E2]
Whenever a short circuit or a circuit detachment in the intake air temperature sensor is detected. |
* Wirings and connectors (intake air systems)
* Intake air temp sensor
* ECU |
25 |
Lean error |
[Ox]
When no 'rich' signals were sent by the O2 sensor for over 90 seconds while the car is travelling at speeds under 100km/h with the engine speed above 1500 rpm. |
* Wirings and connectors (O2 sensor)
* Fuel system (injector, fuel pressure)
* Vacuum sensor
* Coolant temp sensor |
31 |
Airflow meter signal 1 |
[VS, VC, E2]
When intake air ratio is below 0.025 while IDL ON and the engine speed is below 1500rpm. |
* Wirings and connectors (airflow meter systems)
* Airflow meter
* ECU |
32 |
Airflow meter signal 2 |
When intake air ratio exceeds 0.97.
|
* Wirings and connectors (airflow meter systems)
*Airflow meter
* ECU |
41 |
Throttle position sensor |
[VTA, VCC, IDL, E2]
Whenever a short circuit or a circuit detachment in the throttle position sensor is detected. |
* Wirings and connectors (throttle position systems)
* Throttle position sensor
* ECU |
42 |
Speed sensor signal |
[SPD]
When the no speed signals to the ECU.
|
* Wirings and connectors (speed sensor systems)
* Speed sensor
* ECU |
43 |
Starter signal |
[STA]
When the no starter signals to the ECU.
|
* Wirings and connectors (starter signal systems)
* ECU |
51 |
Switch signal |
[A/C, IDL, NSW]
When the air conditioning is on with T and E1 terminal of the service socket linked together whilst STA OFF, IDL contacts OFF or with automatic gear lever selected to position other than 'P' or 'N'.
|
* Neutral starting switch
* Air conditioning switch
* Starter signals
* Throttle position sensor IDL systems
* ECU |