Inspection Procedure 6

INSPECTION PROCEDURE 6: Condenser Fan does not Operate





2.4L ENGINE

Part 1 Of 2:

Part 2 Of 2:

[3.0L ENGINE]

CIRCUIT OPERATION
^ The fan controller is powered from fusible link number 2.
^ The ECM [M/T] or PCM [A/T] 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 ECM [M/T] or PCM [A/T] activates the fan controller to drive the radiator fan motor and condenser fan motor.

TECHNICAL DESCRIPTION
The cause could be a malfunction of the condenser fan motor or of the fan controller.

TROUBLESHOOTING HINTS
^ Malfunction of condenser fan motor
^ Malfunction of fan controller

DIAGNOSIS

STEP 1. Check the condenser fan motor.
Q: Is the condenser fan in good condition?
YES: Go to Step 2.
NO: Replace the fan motor, then go to Step 3.

STEP 2. Check the fan controller.
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: This diagnosis is complete.
NO: Return to Step l.