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HEATER AND MANUAL AIR CONDITIONER – Troubleshooting 55-4 TROUBLESHOOTING TROUBLESHOOTING PROCEDURES 1. Check air ducts, control rods, etc. for improper connection. 2. Check that the electrical connectors of the relevant components are connected securely and the 3. Perform the troubleshooting as follows; first understand the items to be inspected and the the procedures 4. Be sure to perform each component check after disconnecting the relevant connector. Trouble Symptom/Failed Component Cross-Reference Table Items to be checked 1. 2. 3. 4. 5. Fuse 1 1 1 Harness, connector 2 2 1 2 Amount of refrigerant 3 1 A/C compressor relay 4 A/C compressor magnet 5 Dual pressure switch 6 2 3 A/C switch 7 Blower switch 8 3 2 Blower relay 4 Resistor 5 3 Blower motor 6 Air thermo-sensor 9 3 Condenser fan relay 4 4 Condenser fan motor 5 5 Radiator fan relay (HI, LO) 6 6 Radiator fan motor 7 7 Refrigerant temperature 10 8 Auto compressor control 11 9 Engine-ECU 12 10 8 |