3308680 - L16 CLIMATE CONTROL RECIRCULATION NOT WORKING
The recirculation function is not working properly| Results of the tests | ||||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Connect diagnostic equipment (Examiner or other instruments) to the diagnostic socket. Check that there are no faults in the climate control control unit | Continue to Step 2 | An error is detected in the control unit | Continue following the instructions for the diagnostic equipment | |
| Lack of dialogue with the control unit | Restore connection between climate control control unit and diagnostic connector ( See E6020 AIR CONDITIONING ) | |||
| Specific software not available | Continue to Step 3 | |||
| 2 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the diagnostic equipment (Examiner or other instruments) carry out the active diagnosis for the recirculation motor | Continue to Step 4 | Recirculation motor faulty connection | Restore the connections ( See E6020 AIR CONDITIONING ) Continue to Step 4 | |
| Recirculation motor faulty | Replace the mixture motor Op. 5040D77 Continue to Step 4 | |||
| Recirculation motor flap faulty | Replace mixture motor flap Op. 5040C24 Continue to Step 4 | |||
| 3 | RECIRCULATION MOTOR ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
Check, in order:
| Continue to Step 4 | Recirculation motor faulty connection | Restore connections Op. 5580M78 | |
| Recirculation motor faulty | Replace the mixture motor Op. 5040D77 | |||
| 4 | HECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |