October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
HVAC System - Service, Testing And Troubleshooting Expand All (for easy ctrl-f) Collapse All Diagnosis Component Location Index Input Test Check Replacement A/C System Description Climate Control System Description Heated Steering Wheel System Description Rear HVAC Description General Information Repair Regeneration Circuit Diagram How to Information DTC Troubleshooting Symptom Troubleshooting Index for Viewer Driver's and Passenger's Side Vent Temperatures Vary By More Than 20 °F (11 °C) HDS Does Not Communicate With The HVAC Control Unit Or The Vehicle HDS Does Not Communicate With The Climate Control Unit Or The Vehicle Insufficient Heating (Heating/Air Conditioning) Insufficient Heating (Climate Control) The A/C Compressor Clutch and The A/C Condenser/Radiator Fans Are Inoperative, But The Blower and Heater Controls Work (Heating/Air Conditioning) The A/C Compressor Clutch and The A/C Condenser/Radiator Fans Are Inoperative, But The Blower and Heater Controls Work (Climate Control) The A/C Compressor Clutch Cycles Rapidly On and Off (Climate Control) The A/C Compressor Clutch Cycles Rapidly On and Off (Heating/Air Conditioning) The A/C Compressor Clutch Does Not Disengage When The A/C Switch Is Off (Heating/Air Conditioning) The A/C Compressor Clutch Does Not Disengage When The A/C Switch Is Off (Climate Control) The A/C Compressor Clutch Does Not Engage, But The A/C Condenser and Radiator Fans Operate, and The Blower and Heater Controls Work (Climate Control) The A/C Compressor Clutch Does Not Engage, But The A/C Condenser and Radiator Fans Operate, and The Blower and Heater Controls Work (Heating/Air Conditioning) The A/C Compressor Relief Valve Has Vented Refrigerant (Climate Control) The A/C Compressor Relief Valve Has Vented Refrigerant (Heating/Air Conditioning) The A/C Condenser/Radiator Fans Do Not Run At High Speed, But Do Run At Low Speed With The A/C On (Heating/Air Conditioning) The A/C Condenser/Radiator Fans Do Not Run At High Speed, But Do Run At Low Speed With The A/C On (Climate Control) The A/C Condenser/Radiator Fans Do Not Run At Low Speed With The A/C On, But The Blower and Heater Controls Work Normally (Climate Control) The A/C Condenser/Radiator Fans Do Not Run At Low Speed With The A/C On, But The Blower and Heater Controls Work Normally (Heating/Air Conditioning) The Blower and Heater Controls and The A/C System Do Not Work (Heating/Air Conditioning) The Blower and Heater Controls and The A/C System Do Not Work (Climate Control) The Blower Fan Runs Slower Than Expected In Cold Weather (When In AUTO mode) (Heating/Air Conditioning) The Blower Fan Runs Slower Than Expected In Cold Weather (When In AUTO mode) (Climate Control) Connector View Test Inspection Symptom Troubleshooting Index DTC Troubleshooting Index