CHECK HARNESS CONNECTOR BETWEEN EACH CONTROL MODULE AND DATA LINK CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the ABSCM&H/U, ECM and TCM.

3) Measure the resistance between data link connector and chassis ground.

Connector & terminal

(B40) No. 7— Chassis ground:

QUESTION

Is the resistance more than 1 MΩ?

Yes No

Repair the harness and connector between each control module and data link connector.