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.

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.

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.

Ultrasound signal check

Place 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.