Diagnostic Strategies

PRELIMINARY CHECK

SYMPTOM CHART




Symptom chart 1 (Malfunction is indicated in Diagnosis mode)




Symptom chart 2 (No malfunction is indicated in Diagnosis mode)
Before starting trouble diagnoses, perform PRELIMINARY CHECK.

POWER SUPPLY AND GROUND CIRCUIT CHECK




Power supply circuit check
If NG, check the following.
- 7.5 A fuse [No. [4], located in fuse block (J/B)]
- 10 A fuse [No. [28], located in fuse block (J/B)]
- Harness for open or short between fuse and combination meter




Ground circuit check




INSPECTION/VEHICLE SPEED SENSOR




INSPECTION/ENGINE REVOLUTION SIGNAL




INSPECTION/FUEL LEVEL SENSOR UNIT




INSPECTION/THERMAL TRANSMITTER