CHECK HARNESS BETWEEN PRESSURE SWITCH AND A/C RELAY.

1) Turn the ignition switch to OFF.

2) Remove the A/C relay of the main fuse box or relay holder.

3) Measure the resistance of the A/C relay and pressure switch connector.

Connector & terminal

SOHC MODEL

(F27) No. 17 — (B7) No. 2:

DOHC MODEL

(F9) No. 9 — (B7) No. 2:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Repair the harness between the A/C relay and pressure switch.