Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: A/C compressor clutch will not disengage when no A/C request has been made and no Powertrain DTCs are set. | ||||
1 | Did you perform the Diagnostic System Check? | -- | Go to Diagnostic System Check | |
2 |
Does the A/C compressor clutch coil disengage? | -- | ||
3 | Replace the Powertrain Control Module (PCM). Refer to Powertrain Control Module Replacement/Programming (V6) or Powertrain Control Module Replacement/Programming (V8) in Engine Controls. Did you complete the replacement? | -- | -- | |
4 |
Does the A/C compressor clutch coil disengage? | -- | ||
5 |
Is the air conditioning compressor coil control relay output circuit continuous to ground? | -- | ||
6 | Repair a short to ground in the control circuit of the A/C compressor relay between the engine wiring harness junction block 2 and the PCM connector C2. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
7 | Replace the A/C clutch relay. Refer to Compressor Relay Replacement in Heating, Ventilation, and Air Conditioning. Did you complete the replacement? | -- | -- | |
8 |
Is voltage present on the supply voltage circuit of the A/C compressor clutch? | -- | ||
9 | Repair a short to battery voltage in the supply voltage circuit of the A/C compressor clutch between the engine wiring harness junction block 2 and the A/C compressor clutch coil. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
10 | Replace the A/C compressor clutch coil. Refer to Compressor Clutch Coil Removal (V5 - Conventional Mount) and Compressor Clutch Coil Install (V5 - Conventional Mount) (V6) or Compressor Clutch Coil Removal (V7 - Direct Mount) and Compressor Clutch Coil Install (V7 - Direct Mount) (V8). Did you complete the replacement? | -- | -- | |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | |
