CHECK INPUT SIGNAL OF ECM.

1) Turn the ignition switch to ON.

2) Place the shift lever in a position other than neutral.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B135) No. 9 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Check for poor contact of the ECM connector.