| CODE |
DIAGNOSIS |
TRIGGERED BY |
ASSOCIATED AREAS |
| 1 |
NORMAL |
'Check Engine' warning light will flash continously to show that the system is OK. |
NIL |
|
12 |
RPM signal 1 |
[G, Ne]
When no G or NE signals for over 2 seconds after getting STA ON signals.
|
* Wirings and connectors (crankshaft position & starter signal systems)
* Distributor
* ECU |
|
13 |
RPM signal 2 |
[Ne]
When no RPM signal (Ne) to the ECU with engine speed above 1000 rpm. |
* Wirings and connectors (crankshaft position signal systems)
* Distributor
* ECU |
|
14 |
Ignition signal |
[IGf]
When no IGf signals to the ECU for over 0.3 seconds after STA ON (No continuous 4 sparks for over 0.3 seconds). |
* Wirings and connectors (igniter +B, IGf, IGt)
* ECU |
|
21 |
O2 sensor signal |
[Ox]
When O2 sensor voltage crosses the 0.45V line and is leaning towards either 0.35V (lean) or 0.70V (rich) side for over 60 seconds while the speed is below 100km/h.
|
* O2 sensor
* Fuel systems (injector, fuel pump)
* Ignition system (ignitor, plugs)
* Intake air system (vacuum sensor)
* ECU |
|
22 |
Coolant temperature signal |
[THW, E2]
Whenever a short circuit or a circuit detachment in the coolant temperature sensor is detected, or coolant temperture exceeds 138 centigrade. |
* Wirings and connectors (coolant temp systems)
* Coolant temp sensor
* Cooling system failure (overheat)
* ECU |
|
24 |
Intake air temperature signal |
[THA, E2]
Whenever a short circuit or a circuit detachment in the intake air temperature sensor is detected for over 0.5 seconds. |
* 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 engine speed is above 1500 rpm. |
* Wirings and connectors (O2 sensor)
* Fuel system (injector, fuel pressure)
* Coolant temp sensor
* Vacuum sensor
* O2 sensor
* ECU
* Coolant temp sensor |
|
31 |
Airflow meter signal 1 |
[VS, VC, E2]
No signals from the airflow meter is detected for over 0.5 seconds while IDL ON and the engine speed is below 1500rpm with intake air ratio of below 0.025. |
* Wirings and connectors (airflow meter systems)
*Airflow meter
* ECU |
|
32 |
Airflow meter signal 2 |
[VS, VC, E2]
When the intake air ratio exceeds 0.09 for over 0.5 seconds. |
* Wirings and connectors (airflow meter systems)
*Airflow meter
* ECU |
|
41 |
Throttle position sensor |
[VTA, VC, IDL, E2]
Whenever a short circuit or a circuit detachment in the throttle position sensor is detected for over 0.5 seconds. |
* Wirings and connectors (throttle position systems)
* Throttle position sensor
* ECU |
|
42 |
Speed sensor signal |
[SPD]
When the speed sensor sent 0km/h signal to the ECU for more than 8 seconds while the engine speed is between 3000 rpm and 5000 rpm and the coolant temperature of 80 centigrade with the gear lever selected in positions other than P or N.
|
* Wirings and connectors (speed sensor systems)
* Speed sensor
* ECU |
|
52 |
Knock sensor signal |
[KNK1, KNK2]
When a short circuit or a circuit detachment was detected in the knock sensor or its connectors for over 0.5 seconds while the engine speed is between 1600 rpm and 5200 rpm.
|
* Wirings and connectors (knock sensor systems)
* Knock sensor
* ECU
|
|
53 |
Knock management |
When the knock management part of the ECU fails for over 0.5 seconds while the engine speed is between 650 rpm and 5600 rpm.
|
* ECU
|
