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 below, perform PRELIMINARY CHECK.




POWER SUPPLY AND GROUND CIRCUIT CHECK
Power Supply Circuit Check

If NG, check the following.
- 10 A fuse [No.12, located in fuse block (J/B)]
- 10 A fuse [No.30, located in fuse block (J/B)]
- Harness for open or short between fuse and combination meter




Ground Circuit Check

Steps 1 - 2:

INSPECTION/VEHICLE SPEED SIGNAL With TCS

Step 1:

INSPECTION/VEHICLE SPEED SIGNAL Without TCS

Step 1:

INSPECTION/ENGINE REVOLUTION SIGNAL

Steps 1 - 3:

INSPECTION/FUEL LEVEL SENSOR UNIT

Steps 1 - 2:

INSPECTION/THERMAL TRANSMITTER