Diesel Data: Automotive Repair

A/C Compressor Clutch, A/C Condenser/Radiator Fans Inoperative, But Blower and Heater Controls Work (Without Climate Control)




The A/C compressor clutch and the A/C condenser/radiator fans are inoperative, but the blower and heater controls work

Diagnostic Procedure:

1. Probable cause: A/C pressure switch circuit malfunction

2. A/C pressure switch circuit troubleshooting A/C Pressure Switch Circuit Troubleshooting (Without Climate Control)

Also check for:

- HVAC DTCs How to Troubleshoot the Heating and A/C Systems
- Powertrain DTCs Initial Inspection and Diagnostic Overview
- Poor or loose connections at the terminals