A/C Operates In All Mode Switch Positions

Tests 1 - 3:

Tests 4 - 6:

Test 7:

SYMPTOM
A/C OPERATES IN ALL MODE SWITCH POSITIONS

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 ON/OFF control circuit for a short to ground
- A/C - heater control module/AZC module
- Body control module