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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> A/C Operates With A/C Select Switch Off
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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

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