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

1) Turn the ignition switch to OFF.

2) Disconnect the power steering control module and the ECM.

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

Connector & terminal

(B40) No. 7 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

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