## Climate Control

#### A/C Pressure Switch Circuit Troubleshooting (cont'd)

21-148

10. Make sure the A/C switch is OFF.

11. Measure the voltage between the No. 9 terminal of under-dash fuse/relay box connector F (12P) and body ground with the under-dash fuse/relay box connectors connected.

UNDER-DASH FUSE/RELAY BOX CONNECTOR F (12P)

Wire side of female terminals

Is there battery voltage?

YES - Repair open in the wire between the under-dash fuse/relay box and the A/C pressure switch.

NO - Refer to the multiplex control system (see page 22-268).

605. Check for proper A/C system pressure.

Is the pressure within specifications?

YES - Replace the A/C pressure switch.

NO - Repair the A/C pressure problem.