| | Results of the tests |
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Connect the Examiner to the NBC and check the following at the CAN:- no control unit inactive- that there are no faulty control units- no control unit with faulty CAN line | Move on to Step 5 | 1. Control unit inactive2. Control unit error3. Control units with CAN line error | 1. Move on to Step 22. Proceed as instructed by the diagnostic tester3. Restore possible short circuit - open circuit for B-CAN line cable |
| 2 | ELECTRICAL SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|
| Check the NSP earth is efficientSee Test 5505AG CHECK ON HEATER PLUGS PROTECTIVE FUSE | Move on to Step 3 | Earth inefficient | Restore correct wiring See E3090 PARKING SENSOR |
| 3 | ELECTRICAL SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|
| Check the NSP positive power supply is efficientSee Test 5505AG See E3090 PARKING SENSOR | Move on to Step 4 | Power supply inefficient | Restore correct wiring See E3090 PARKING SENSOR |
| 4 | B-CAN LINE CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the two cables for the NSP B-CAN line are not broken | Move on to Step 5 | B-CAN line broken | Repair the connection |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the Parking Sensor Control Unit Op. 5580H10 PARKING OBSTACLE DETECTION DEVICE ELECTRONIC CONTROL UNIT - R.R. |
