Engine Speed Signal Inspection

COMBINATION METERS

Engine Speed Signal Inspection

Symptom: Improper tachometer indication.

1. CHECK COMBINATION METER INPUT SIGNAL

1.Start engine and select "METER/M&A" on CONSULT.
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. CONSULT Function (Engine) (with
QR-25DE).
- Perform ECM self-diagnosis. For California) (with MR-20DE
for California).
- Perform ECM self-diagnosis. Except For California (with MR-20DE
except California).
NG- Replace combination meter. Removal And Installation.