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A/C Operates With A/C Select Switch Off

Test 1 - 3:




Test 4 - 7:






SYMPTOM
A/C OPERATES WITH A/C SELECT SWITCH OFF (AZC & MTC W/GASOLINE ENGINE)

POSSIBLE CAUSES
- Check for PCM DTCs
- Powertrain control module
- A/C clutch
- A/C clutch relay output circuit shorted to voltage
- A/C clutch relay
- Check A/C switch signal circuit for a short to ground
- AZC module or A/C - heater control module
- Body control module
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