CHECK POWER SUPPLY CIRCUIT.

1) Turn the ignition switch to OFF.

2) Disconnect the power steering control module connector (B452).

3) Turn the ignition switch to ON. (engine OFF)

4) Measure the ignition power supply voltage between the power steering control module connector and chassis ground.

Connector & terminal

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

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

QUESTION

Is the voltage 10 — 15 V?

Yes No

Repair the open circuit in the harness between the power steering control module and the battery.