Engine Speed Signal Inspection

WARNING: This page is about a different car, the 2007 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Symptom: Improper tachometer indication.

CHECK COMBINATION METER INPUT SIGNAL
1. Start engine and select "METER/M&A" on CONSULT-III.
2. Using "TACHO METER" on "DATA MONITOR", compare the value of "DATA MONITOR" with tachometer pointer of combination meter.
OK or NG

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

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