CHECK HARNESS.

1) Turn the ignition switch to OFF.

2) Disconnect the auto A/C control module connector (i88).

3) Use a tester to measure the resistance between harness terminals.

Connector & terminal

(B386) No. 4 — (i88) No. 9:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair or replace the open circuit of the harness.