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 at pin 2 and the negative probe earthed
• Press the START button on the Examiner. The figures for the image that appear should be evaluated with a tolerance of about 20%. They should be similar to the illustration

• Replace the faulty sensor(s)

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.