72649 - L16 CLIMATE CONTROL RECIRCULATION NOT WORKING

The climate control recirculation does not work in any conditions (manual/automatic)
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check that there are no faults in the climate control system control unitMove on to Step 1. Error detected in the control unit1. Continue following the instructions for the diagnostic equipment
2. No communication with the control unit2. Restore connection between the climate control unit and diagnostic connector (Wiring Diagram ) E6020 AIR CONDITIONING
2ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the diagnostic equipment (Examiner or other instruments) and carry out the active diagnosis for the recirculation motorMove on to Step Recirculation motor faultyMove on to Step
3MOTOR ELECTRICAL CIRCUIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the recirculation motor electrical circuit (Wiring Diagram ) E6020 AIR CONDITIONING Move on to Step 1. Recirculation motor connection faulty1. Restore the correct connection (Wiring Diagram ) E6020 AIR CONDITIONING
2. Connections correct, flap/motor unit faulty2. Check that the flap moves freely, if necessary, replace the recirculation motor    See in Op. 5040D88 MOTOR for ANY COMPARTMENT - R.R. with air conditioning casing removed
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace the climate control system control unit    See in Op. 5040D18 Air conditioning CONTROL UNIT - R.R.