Operation CHARM: Car repair manuals for everyone.

Test Notes

You should enter this Pinpoint Test only when directed here.

This Pinpoint Test is intended to diagnose the following:
- Harness circuits: VPWR, A/C Demand (or EATC) to WAC relay, ACCS, WAC, Power-to-A/C Clutch, ACON
- WOT A/C Cutout (WAC) Relay
- A/C Relay (Escort/Tracer, Probe)
- Powertrain Control Module (PCM)


DESCRIPTION
For additional information on the Air Conditioning Cycling Switch, Air Conditioning Demand Switch (Probe) or Air Conditioning Pressure Switch, refer to Description and Operation / EEC-V Software and Hardware / EEC-V Hardware / PCM Related Inputs.


For additional information on Wide Open Throttle Air Conditioning Cutoff or Air Conditioning ON circuit (Probe) refer to Description and Operation / EEC-V Software and Hardware / EEC-V Hardware / PCM Related Outputs.