3360322 - N46 PARKING DEVICE BUZZER NOT WORKING
 | The Parking Sensor Node (NSP) receives a reversing signal from the body computer node via the B-CAN line |
| Results of the tests | ||||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect a tester (Examiner) to the body computer node and check CAN network information:
| Continue to Step 5 | Control unit with CAN line error | Continue to Step 2 | |
| Control unit with CAN line error | Continue according to the instructions for the diagnostic equipment | |||
| Control unit with CAN line error | Repair short-circuit - open circuit in a B-CAN line wire | |||
| 2 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check efficiency of the NSP earth | Continue to Step 3 | Faulty earth | Renew the wiring See E3090 PARKING SENSOR | |
| 3 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check efficiency of the NSP positive power supply | Continue to Step 4 | Power source inefficient | Renew the wiring See E3090 PARKING SENSOR | |
| 4 | CHECK B-CAN LINE | All OK | Problems met | Operation |
| Check that the two NSP B-CAN wires are not broken | Continue to Step 5 | B-CAN line broken | Restore the connection See E3090 PARKING SENSOR | |
| 5 | CHECKING ELECTRICAL EQUIPMENT | All OK | Problems met | Operation |
| Check the continuity and insulation of the wiring connecting the Buzzer to the NSP | Continue to Step 6 | Wiring short-circuited or circuit open | Renew the wiring See E3090 PARKING SENSOR | |
| 6 | CHECKING BUZZER EFFICIENCY | All OK | Problems met | Operation |
| Check the buzzer is working properly. | Continue to Step 7 | Buzzer not working | Replace buzzer See E3090 PARKING SENSOR | |
| 7 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | Fault persists | Change parking sensor node Op. 5580H10 Search for the fault starting from another symptom' | ||