Symptom Related Diagnostic Procedures
1. SYMPTOM CHARTSymptom Chart:
CAUTION: When measuring the voltage and resistance of each control module or sensor, use a tapered pin with a diameter of less than 0.64 mm (0.025 in) in order to avoid poor contact. Do not insert the pin more than 2 mm (0.08 in).
2. CHECK POWER SUPPLY AND GROUND CIRCUIT
Step 1-3:
3. CHECK VDC CONTROL MODULE
Step 1-2:
4. CHECK ENGINE CONTROL MODULE (ECM)
Step 1-2:
5. CHECK FUEL LEVEL SENSOR
Step 1-4:
Step 5-7:
6. CHECK ENGINE COOLANT TEMPERATURE SENSOR
Step 1-2:
7. DTC DISPLAY MODE
The combination meter diagnosis can be displayed in the following procedure.
1. Within 3 seconds after turning the ignition switch to ON, set the lighting switch to tail light or headlight position.
2. Press the odo/tripmeter knob four times.
3. Turn the lighting switch to OFF, and press the odo/trip meter knob four times.
4. Set the lighting switch to tail light or headlight position again, and press the odo/tripmeter knob four times.
NOTE:
- Perform the steps described in 2) and 4) within 10 seconds.
- When the engine starts during diagnosis, the self-diagnosis function is not cancelled, however, once turning the ignition switch to OFF or the vehicle starts driving, DTC display mode is cancelled automatically for safety.
- When the DTC display mode operates, {ECM}, {TCM}, {VDC} is displayed cyclically in this order for every three seconds or every press of the trip knob. DTC is displayed in the following table according to type of control module, receiving DTC, DTC detected, No DTC.
- After DTC of each control module changed current malfunction to past malfunction and trouble is canceled, it does not display the DTC code at combination meter when starting engine more than three times. In this case, read the DTC using the Subaru Select Monitor.
