Symptom Related Diagnostic Procedures

1. SYMPTOM 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 VDCCM

Step 1-2:

4. CHECK ENGINE CONTROL MODULE (ECM)

Step 1-2:

5. CHECK FUEL LEVEL SENSOR

Step 1-6:

6. CHECK ENGINE COOLANT TEMPERATURE SENSOR

Step 1-2:

7. COMMUNICATION ERROR DISPLAY
When the following error code is displayed in the odo/trip meter, inspect the communication circuit since the communication malfunction is generated between each control module. Basic Diagnostic Procedure









8. DTC DISPLAY MODE
When DTC display mode is operated, {ECM}, {TCM} is displayed repeatedly in this order by pressing the trip knob. DTC is displayed in the following table according to type of control module, receiving DTC, DTC detected, No DTC. If CAN communication has some trouble, "-----" is displayed.