CHECK HARNESS BETWEEN ECM AND NEUTRAL POSITION SWITCH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect connectors from the ECM and transmission harness connector (T9).

3) Measure the resistance between ECM and chassis ground.

Connector & terminal

(B136) No. 31 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the short circuit of transmission harness, or replace the neutral position switch.

Repair the ground short circuit of harness between ECM and transmission harness connector.