939010316 - 5580HB PARKING SENSOR SYSTEM OPERATION CHECK

STEP	CHECK TO BE PERFORMED	RESOLUTION IF THE CHECK IS NOT OK
1	Check the front ultrasound sensor power supply Key in on position Engage reverse gear Press the parking sensor disablement button located on the front courtesy light and ensure the led on the button is on (sensors enabled) Connect the voltmeter with the positive probe at pin 1 and the negative earth probe for the sensor connector and check that there is a positive voltage of 12 V	Renew the wiring between the parking sensor control unit and the sensor involved Replace the sensor Replace the parking sensor control unit     Op. 5580H10 PARKING OBSTACLE DETECTION DEVICE ELECTRONIC CONTROL UNIT - R.R.
2	Rear ultrasound sensor power supply check Key in on position Engage reverse gear Connect the voltmeter with the positive probe at pin 1 and the negative earth probe for the sensor connector and check that there is a positive voltage of 12 V	Renew the wiring between the parking sensor control unit and the sensor involved Replace the sensor     Op. 5580H36 PARKING SENSOR SYSTEM REAR SENSORS - R.R. WITH REAR BUMPER REMOVED Replace the parking sensor control unit     Op. 5580H10 PARKING OBSTACLE DETECTION DEVICE ELECTRONIC CONTROL UNIT - R.R.
3	Check the earth Connect the voltmeter with the red probe at pin 3 and the positive probe earthed and check that the voltage is 0 Volt	Renew the broken wiring between the NSP and the sensor involved Replace the sensor Replace the parking sensor control unit     Op. 5580H10 PARKING OBSTACLE DETECTION DEVICE ELECTRONIC CONTROL UNIT - R.R.
4	Ultrasound signal checkPlace the key in the ON position Connect the voltmeter with the positive probe to pin 2 and the negative probe earthed Press the START button on the Examiner. The figures in the image that appears must be evaluated with a tolerance of about 20%. They should in any case be similar to the graph in the figure.	Replace any faulty rear sensor(s)     Op. 5580H36 PARKING SENSOR SYSTEM REAR SENSORS - R.R. WITH REAR BUMPER REMOVED Replace any faulty front sensor(s) Replace the parking sensor control unit     Op. 5580H10 PARKING OBSTACLE DETECTION DEVICE ELECTRONIC CONTROL UNIT - R.R.