Checking the Engine Cooling Fan (FC)

Checking the engine cooling fan (FC)

Note! The electric cooling fan may have a post-running time of up to approx. 6 minutes after the engine has been shut off. The time for the electric cooling fan's post-running depends on the engine's temperature, temperature in the engine compartment as well as the pressure level in the AC system.




- Ignition on.
- Activate the engine cooling fan (FC) by clicking the VCT2000 symbol.

If the electric cooling fan can be activated in all selectable speeds:
- There is no malfunction in the electric cooling fan.
- Check the AC pressure sensor.
Remedy as necessary.

Other information:
- The electric cooling fan can be activated at different speeds. Possible speeds for the electric cooling fan is dependent on model year and engine.





Is the engine cooling fan (FC) working?

Yes - FAULT FOUND

No - Checking components and connections

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Checking components and connections




- Ignition off.

If the electric cooling fan cannot be activated in all selectable speeds:
- Check the fuse, power supply cable and ground lead for the engine cooling fan (FC).
- Check the wiring between the engine control module (ECM) and the engine cooling fan (FC) module. Check for damage.
- Check the connectors to the engine cooling fan (FC) control module and Engine Control Module (ECM). Check for damage to pins and connections.
Remedy as necessary.

Then check:
- Function of engine cooling fan.
- Ignition on.
- Activate the engine cooling fan (FC) by clicking the VCT2000 symbol.

Other information:
- Checking wiring and terminals Checking Wiring and Terminals
- For further information, see the wiring diagram.





Continue - FAULT FOUND

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