Radiator Cooling Fan Control Module: Testing and Inspection
FAN CONTROL MODULE INSPECTION [L3 WITH TC]1. Remove the charge air cooler duct.
2. Connect the M-MDS to the DLC-2.
3. Start and warm up the engine.
4. Monitor the engine coolant temperature with the M-MDS.
5. Measure the voltage at terminal A of the fan control module connector (2 terminals) as shown in the table.
^ If not within the specification, inspect the input signals from the following parts.
- Crankshaft Position (CKP) sensor
- Engine Coolant Temperature (ECT) sensor
- Throttle Position (TP) sensor
- Refrigerant pressure switch (middle)
Fan Control Module No.1:
Fan Control Module No. 2:
6. If all the above parts are normal, replace the fan control module.