The A/C compressor clutch and the A/C condenser/radiator fans are inoperative, but the blower and heater controls work(Climate Control)
Diagnostic Procedure
- Probable cause: A/C signal circuit malfunction
A/C signal circuit troubleshooting - Refer to: A/C Signal Circuit Troubleshooting(Idle Control System)A/C Signal Circuit Troubleshooting(Heating/Air Conditioning) A/C Signal Circuit Troubleshooting(Climate Control)
- Probable cause: A/C pressure sensor circuit malfunction or evaporator temperature sensor circuit malfunction
Troubleshoot the A/C pressure sensor circuit:
NOTE: The A/C pressure sensor circuit can malfunction without setting a DTC
Also Check for
- Climate control DTCs - Refer to: How to Troubleshoot the Body ElectricalHow to Troubleshoot the Climate Control System
- PGM-FI DTCs - Refer to: How to Troubleshoot the Fuel and Emissions SystemsHow to Troubleshoot the CVT System(CVT System)
- Abnormal A/C system pressures
- Faulty evaporator temperature sensor
- Poor or loose connections at the terminals