CHECK HARNESS BETWEEN ECM AND NEUTRAL POSITION SWITCH CONNECTOR.

1) Disconnect the connectors from the ECM.

2) Measure the resistance of harness between ECM and transmission harness connector.

Connector & terminal

(B136) No. 31 — (B128) No. 1:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the open circuit of harness between ECM and transmission harness connector.