Tachometer System
- VISUAL INSPECTION
Check if tachometer fluctuates when the engine starts.
Is the fluctuation acceptable?
YES: GO TO 2.
NO: GO TO 3.
- ENGINE SPEED INSPECTION
- Select "ENGINE" on CONSULT-II.
- Using "ENG SPEED" on "DATA MONITOR", compare the value of "DATA MONITOR" with tachometer pointer of combination meter.
OK or NG
OK: GO TO 3.
NG: Replace the combination meter. Refer to , "COMBINATION METER ".
- ECM SYSTEM INSPECTION
Perform ECM self-diagnosis. Refer to , "CONSULT-II FUNCTION (ENGINE) " (QR25DE) or , "CONSULT-II FUNCTION (ENGINE) " (VQ35DE).
OK or NG
OK: Replace combination meter. Refer to , "COMBINATION METER ".
NG: Go to ECM trouble diagnosis. Refer to , "TROUBLE DIAGNOSIS " (QR25DE) or , "TROUBLE DIAGNOSIS " (VQ35DE).