CHECK HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the connector (B451).

3) Using a tester and test harness, check the internal resistance of the harness terminals.

Connector & terminal

(B450) No. 4 — (B451) No. 2:

(B450) No. 5 — (B451) No. 1:

(B450) No. 9 — (B451) No. 5:

(B450) No. 10 — (B451) No. 3:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair or replace the harness.