[14] ENGINE COOLING - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS - Inspection Procedure 4: Condenser Fan does not Operate | PRINT PAGE / INDEX / PRIOR / NEXT

Inspection Procedure 4: Condenser Fan does not Operate
CIRCUIT OPERATION The fan controller is powered from fusible link (2). The engine-A/T-ECU judges the required revolution speed of radiator fan motor and condenser fan motor using the input signals transmitted from A/C switch, automatic compressor controller, vehicle speed sensor and engine coolant temperature sensor. The engine-A/T-ECU activates the fan controller to drive the cooling fan motor and condenser fan motor.
TECHNICAL DESCRIPTION The cause could be a malfunction of the condenser fan motor or fan controller.
TROUBLESHOOTING HINTS Malfunction of condenser fan motor Malfunction of fan controller
DIAGNOSIS PROCEDURE
STEP 1. Check the condenser fan motor. Refer to GROUP 55, Condenser and Condenser Fan Motor . Q: Is the condenser fan motor in good condition? YES: Go to Step 2. NO: Replace the condenser fan motor, then go to Step 3.
STEP 2. Check the fan controller. Refer to . Q: Is the fan controller in good condition? YES: Go to Step 3. NO: Replace the fan controller, then go to Step 3.
STEP 3. Check the symptoms. Q: Does the condenser fan operate correctly? YES: The procedure is complete. NO: Return to Step 1.

[14] ENGINE COOLING - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS - Inspection Procedure 4: Condenser Fan does not Operate | PRINT PAGE / INDEX / PRIOR / NEXT

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