A/C Operates In All Mode Switch Positions

Tests 1 - 4:

Tests 5 - 7:

SYMPTOM
A/C OPERATES IN ALL MODE SWITCH POSITIONS

POSSIBLE CAUSES
- Check for PCM DTCS
- Powertrain control module
- Check A/C ON/OFF control circuit for a short to ground
- A/C - heater control module
- Body control module