Engine Speed Signal Inspection

Perform ECM self-diagnosis. Refer to "SELF-DIAG RESULTS MODE ".

OK or NG 

OK: GO TO 2.

NG: Perform "Diagnostic Procedure" for displayed DTC.

1. Select "METER" on CONSULT-III.
2. Run the engine at different speeds and compare tachometer gauge indication with "TACHO METER" of "DATA MONITOR". Tachometer and "DATA MONITOR" indications should be close.

OK or NG 

OK: Inspection End.

NG: Replace combination meter. Refer to "COMBINATION METER ".