| | Results of the tests |
| 0 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Check that the flap works when the recirculation button is pressed | Continue to Step 1 | Motor not working | Continue to Step 2 |
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect the Examiner and check for errors at the climate control node.Carry out the recirculation motor test in active diagnosisIf it is not activated, check the recirculation motor wiring See See E6020 AIR CONDITIONING | Continue to Step 2 | Faulty wiring | Renew the wiring See See E6020 AIR CONDITIONING |
| 2 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect the Examiner Plus or Smart diagnostic equipment and check that the recirculation flap is working properly in automatic mode by selecting active diagnosis and carrying out the pollution sensor test.If the result is negative, carry out the | Continue to Step 3 | Passenger compartment air pollution sensor defective | Replace sensor Op. Op. 5010D72 AIR QUALITY SENSOR - R R FOLLOWING CIRCUIT CHECK |
| Pollution sensor wiring broken | Renew the wiring See See E6020 AIR CONDITIONING |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check that the recirculation flap is working properly by carrying out the pollution sensor test again with the Examiner in Active Diagnosis.Check that the fault is no longer present. | End of diagnosis | Fault persists | Replace the climate control system control unit Op. Op. 5040D15 CONTROL UNIT WITH AUTOMATIC DUEL ZONE AIR CONDITIONER KNOBS AND BUTTONS R R |