Inspection Procedure 9

Inspection Procedure 9 (Condenser fan does not operate [3.0L ENGINE])











Radiator Fan and Condenser Fan Drive Circuit

Circuit Operation
- The fan control module is powered from fusible link number 4.
- The PCM 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 PCM activates the fan control module 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 control module.

Troubleshooting Hints
- Malfunction of condenser fan motor
- Malfunction of fan control module

Diagnosis
STEP 1. Check the condenser fan motor.
If condenser fan is faulty, go to Step 2.
If normal, replace the radiator fan motor and fan control module assembly. Then go to Step 3.

STEP 2. Check the fan control module. Radiator Cooling Fan Control Module
If the fan control module is faulty, replace it.
If normal, go to Step 3.

STEP 3. Check the symptoms.
Confirm that the condenser fan operates correctly.