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