72652 - L20 PASSENGER SIDE TEMPERATURE ADJUSTMENT NOT WORKING

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 diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check: for faults in the climate control system control unit	Move on to Step	1. Presence of faults	1. Continue following the instructions for the diagnostic equipment
			2. No communication with the control unit	2. Restore the connections between the control unit and the diagnostic socket (Wiring Diagram ) 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 right mixing motor	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: the connection between the climate control system control unit and the mixing motor	Move on to Step	1. Connections not correct	1. Restore the correct connection (Wiring Diagram ) E6020 AIR CONDITIONING
			2. Connections correct, mixing motor faulty	2. Check the condition of the flap, if necessary, replace the motor    See in Op. 5040D86 air conditioner right air mixture 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    See in Op. 5040D18 Air conditioning CONTROL UNIT - R.R.