| 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 |
When no RPM signal (G, Ne) to the ECU after or while cranking for more than 2 seconds. |
* Wirings and connectors (crankshaft position & starter signal systems)
* Distributor
* ECU |
|
13 |
RPM signal |
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 |
When no ignition signal from the igniter constantly 8 to 11 times to the ECU. |
* Wirings and connectors (igniter, +B, IGf, IGt)
* Igniter
* ECU |
|
21 |
O2 sensor signal |
Shows up when the following conditions are persistence after cancellation taking place with IGN switch turned off and back on again;
When O2 sensor feedbacks 0.35-0.7V while the engine speed is above 1500 rpm with the vehicle is being driven at speeds below 100km/h.
Low signal output from the O2 sensor for 0.5 seconds while switched off or high signal output for 0.5 seconds while switched on.
|
* O2 sensor
* Fuel system (injector, fuel pump)
* Ignition system (ignitor, spark plugs)
* Intake air system (Air flow meter)
* ECU |
|
22 |
Coolant temperature signal |
Whenever a short circuit or a circuit detachment in the coolant temperature sensor is detected for over 0.5 seconds. |
* Wirings and connectors (coolant temp systems)
* Coolant temp sensor
* ECU |
|
24 |
Intake air temperature signal |
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 |
Shows up when the following conditions are persistence after cancellation taking place with IGN switch turned off and back on again;
When the signals from O2 sensor does not turn over from 'lean' to 'rich' signals for over 90 seconds while the feedbacks from other systems have been established. |
* Wirings and connectors (O2 sensor)
* O2 sensor
* Fuel system (injector, fuel pressure)
* Airflow meter
* Coolant temp sensor
* Intake air temp sensor |
|
31 |
Air flow meter signal |
Whenever a circuit detachment in the Vc signal or a short circuit between Vs and E2 in the air flow meter is detected for over 0.5 seconds. |
* Wirings and connectors (Vc, Vs, E2)
* Air flow meter
* ECU |
|
32 |
Air flow meter signal |
Whenever a circuit detachment in the E2 signal or a short circuit between Vc and Vs in the air flow meter is detected for over 0.5 seconds. |
* Wirings and connectors (Vc, Vs, E2)
* Air flow meter
* ECU |
|
41 |
Throttle position sensor |
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 |
When the speed sensor sent 0km/h signal to the ECU for more than 8 seconds while the engine speed is between 2000 rpm and 5000 rpm with coolant temp of above 80 Centigrade.
|
* Wirings and connectors (speed sensor systems)
* Speed sensor (meter built-in)
* ECU |
|
43 |
Starter signal |
When no STA signal to the ECU until the engine speed reaches 800 rpm while stationary.
|
* Wirings and connectors (starter systems)
* ECU |
|
51 |
Switch signal |
When the air conditioning is on with T and E1 terminal of the service socket linked together whilst IDL contacts OFF or with automatic gear lever selected to position other than 'P' or 'N'.
|
* Wirings and connectors
* Neutral starting switch
* Throttle position sensor
* Air conditioning switch
* ECU |
|
52 |
Knock sensor signal |
When a short circuit or a circuit detachment was detected in the knock sensor or its connectors 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 while the engine speed is between 650 rpm and 5600 rpm.
|
* ECU
|
