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