CHECK POWER SUPPLY TO RELAY.

1) Remove the main fan relay from the A/C relay holder.

2) Turn the ignition switch to ON.

3) Measure the voltage between fuse & relay box (F/B) connector and chassis ground.

Connector & terminal

(F27) No. 34 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair the open circuit of harness between ignition switch and fuse & relay box (F/B) connector.