Passenger side temperature adjustment does not work

Make: Fiat
Model: Ulysse Factory Service Manual
Year: 2002–2010
Section: Climate control › Passenger side temperature adjustment does not work

Fault diagnosisPassenger side temperature adjustment does not work

PASSENGER SIDE TEMPERATURE ADJUSTMENT DOES NOT WORK

When the desired passenger side temperature is set, there is no corresponding flow of air at the required temperature.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check: that there are no errors in the climate control node (NCL)	Move on to Step	1. Presence of faults	1. Continue following the instructions for the diagnostic equipment
		Move on to Step	2. No communication with the control unit	2. Restore the connections between the control unit and the diagnostic socket See E6020 AIR CONDITIONING
2	ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the diagnostic equipment (Examiner or other instruments) and carry out the active diagnosis of the mixing motor on the side where the error occurs.	Move on to Step	Mixing motor not working	Move on to Step
3	PASSENGER SIDE MIXING MOTOR ELECTRICAL CIRCUIT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check: connection between the climate control node (NCL) and the mixing motor on the side where the error occurs.	Move on to Step	1. Connections not correct.	1. Restore the correct connection See E6020 AIR CONDITIONING
		Move on to Step	2. Connections correct, mixing motor faulty.	2. Check the condition of the flap, if necessary, replace the motor Op. 5040D86 AIR CONDITIONER RIGHT HAND AIR MIXER FLAP CONTROL MOTOR - R R
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Fault persists.	Replace the climate control system control unit

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