2398893 - N46 PARKING DEVICE BUZZER NOT WORKING
The Parking Sensor Node (NSP) receives a reversing signal from the body computer node via the CAN line| Results of the tests | ||||
| 0 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check that the fault is not attributable to only one of the sensors located on the rear bumper. | Continue to Step 1 | Fault detected on one or some ultrasound sensors. | Continue to Step 14 | |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
Using the Examiner, check in the 'Parking Sensor Node' environment, that there are no errors, and for the presence of and variations in the following parameters:
| Continue to Step 6 | Impossible to connect with the control unit. | Continue to Step 2 | |
| Errors present. | Continue to Step 5 | |||
| The value of the parameter does not change. | Continue to Step 12 | |||
| Tow hook fitted | Continue to Step 13 | |||
| 2 | ELECTRIC POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Climate Control Node electrical power supply is correct See E3090 PARKING SENSOR | Continue to Step 3 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 3 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the electrical connections at the Parking Sensor Node, in particular that each individual pin is correctly connected. | Continue to Step 4 | Electrical connections not working. | Restore damaged electrical connections. See E3090 PARKING SENSOR | |
| 4 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Parking Sensor Node. | Continue to Step 1 | Impossible to connect with the control unit | Replace the control unit | |
| 5 | ERRORS CHECK | All OK | Problems met | Operation |
Using the Examiner in the Parking Sensor Node ambient, check whether one or more of the following errors is present:
| End of diagnosis | Error detected inside the control unit. | Replace the control unit. | |
| Error on CAN line | Continue according to the instructions for the diagnostic equipment. | |||
| Reverse gear faulty. | Continue to Step 12 | |||
| Ultrasound sensors faulty | Continue to Step 14 | |||
| 6 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present. | Continue to Step 7 | Impossible to connect with the control unit. | Continue as instructed See table K95 WARNING LIGHT SYMBOLS DO NOT COME ON | |
| Errors present. | Continue as instructed See table K95 WARNING LIGHT SYMBOLS DO NOT COME ON | |||
| 7 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
| With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the buzzer is correctly activated | Continue to Step 14 | The component in question is not activated. Not controlled by the active diagnosis. | Replace the Instrument Panel Node control unit | |
| 8 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner check, in the Body Computer Node ambient, for errors and for the presence of and variations in the reverse gear engaged parameter.. | Continue to Step 10 | Impossible to connect with the control unit. | Continue to Step 9 | |
| Errors present. | Continue according to the instructions for the diagnostic equipment. | |||
| The value of the parameter does not change. | Continue to Step 12 | |||
| 9 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Body Computer Node electrical power supply is correct See E1050 CAN CONNECTION LINES | Continue to Step 13 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 10 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the electrical connections / leads between NSP, NBC and NQS, in particular that each individual pin is correctly connected. See E1050 CAN CONNECTION LINES | Continue to Step 14 | Electrical connections not working. | Restore damaged electrical connection. | |
| 11 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Body Computer Node. | Continue to Step 11 | Impossible to connect with the control unit | Replace the control unit. | |
| 12 | OPERATION CHECK | All OK | Problems met | Operation |
| Check the condition of the wiring, system and reverse gear engaged sensor on the gearbox See E2022 REVERSING LIGHTS | Continue to Step 8 | Wiring faulty | Restore the correct operation of the wiring | |
| Reverse gear sensor not working. | Replace faulty component | |||
| 13 | CHECK TRAILER | All OK | Problems met | Operation |
| Check the efficiency of the trailer presence enablement See E3090 PARKING SENSOR | Continue to Step 3 | Inefficient connection | Renew the wiring | |
| 14 | CHECK THE SYSTEM EFFICIENCY | All OK | Problems met | Operation |
| Check the efficiency of the Parking Sensor Node See Test 5580HB Check operation of Parking Sensor System | Continue to Step 16 | Fault in supply wiring. | Continue to Step 3 | |
| Fault in wiring on bumper sensors. | Continue to Step 15 | |||
| Bumper sensor(s) not working. | Continue to Step 15 | |||
| 15 | CHECK ON ULTRASOUND SENSORS | All OK | Problems met | Operation |
| Check the correct operation of the ultrasound sensor(s) circuit See E3090 PARKING SENSOR | Continue to Step 16 | Connection cables faulty. | Renew the wiring. | |
| Fault in supply to ultrasound sensor(s). | Replace parking sensor control unit. | |||
| Ultrasound sensor(s) does not work | Replace ultrasound sensor(s). | |||
| 16 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Continue to Step 1 | |