CHECK INPUT SIGNAL OF ECM.

1) Turn the ignition switch to ON.

2) Measure the voltage between the ECM and chassis ground with the select lever in the “P” range or “N” range.

Connector & terminal

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

QUESTION

Is the voltage less than 1 V?

Yes No

Repair the poor contact of ECM connector.