2892570 - E3090 PARKING SENSOR - Functional description (Right hand drive)

Functional description

When reverse gear is engaged switch I20 closes and provides a supply to the right rear light cluster  See E2022  REVERSING LIGHTS . The same line suppiles the parking sensor M84 control unit at pin 1 of the connector and provides the earth at pin 16 of the same connector. The parking sensor speaker P44 sends two signals to the parking sensor control unit M84 , from pins 2 and 10 of connector A; pins 9 and 6 of the same connector, on the other hand, are bridged.

The connectors for the four parking sensors K97 are all connected to connector B of the control unit M84, respectively:

• to pins 9, 5, 12 of M84 to the sensor K97A ;
• to pins 7, 3, 10 of M84 to the senor K97B ;
• to pins 1, 2, 6 of M84 to the sensor K97C ;
• to pins 8, 4, 1 of M84 to the sensor K97D ;