L042 PASSENGER COMPARTMENT HEATER FAN NOT TURNING

		Test results
1	FAN WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connect the diagnosis equipment to the climate control system control unit and check whether there are specific errors related to the fan	Go to Step 2	Errors related to the fan found	Proceed as instructed by the diagnosis tool
2	FAN WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Fan electrical wiring connections check Disconnect/reconnect the fan wiring.	Go to Step 3	Fault detected in the fan wiring	Restore the correct wiring of the fan
3	FAN OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Check that the fan rotates at all speeds by activating it using the switch	Go to Step 4	The fan does not work at max. speed	Check the condition of the vehicle fuse and replace it, if necessary
4	CERAMIC RESISTOR CONDITION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Check the condition of the ceramic resistor	Go to Step 5	Ceramic resistor not working correctly	Replace the ceramic resistor Op. 5040C44 FAN MOTOR ELECTRONIC VARIATOR - R+R
5	CURRENT UPTAKE FAULTS CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Check all the components in the vehicle's electrical system that may cause irregular/excessive current uptake, such as: battery and alternator.	Go to Step 6	Fault found on the component	Replace the component that causes the fault
6	CLIMATE CONTROL SYSTEM CONTROL UNIT OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Check that the climate control system control unit is working correctly	End of diagnosis	Climate control system control unit not working properly	Replace the climate control system control unit Op. 5040D14 CONTROL UNIT WITH AUTOMATIC AIR CONDITIONING CONTROL PANEL - R.R.