CHECK WIRING HARNESS.

1) Disconnect the connector from the power steering control module.

2) Turn the ignition switch to ON.

3) Using a tester and test harness, check the voltage between terminals.

Connector & terminal

(B452) No. 2 (+) — Chassis ground (−):

(B450) No. 1 (+) — Chassis ground (−):

QUESTION

Is the voltage 12 V or more?

Yes No

Repair the harness and connector.