## Air Conditioning

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

21-24

1. Check for continuity between the No. 2 terminal of the heater fan switch 7P connector and body ground.

HEATER FAN SWITCH 7P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Go to step 31.

NO - Check for an open in the wire between the heater fan switch and body ground. If the wire is OK, check for poor ground at G501.

1. Test the A/C switch.

   Is the A/C switch OK?

YES - Replace the heater fan switch.

NO - Replace the push switch.

1. 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.

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