CHECK INPUT SIGNAL OF ECM.

1) Turn the ignition switch to ON.

2) Place the select lever in other than “P” range and “N” range.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B136) No. 31 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the poor contact of the ECM connector.