186003238 - E3090 PARKING SENSOR - FUNCTIONAL DESCRIPTION

Operational description

Engaging reverse gear closes the switch I20 and provides a power supply to the right rear light cluster F31 Vedere E2022 LUCI RETROMARCIA . The same line, from connector B of F31, supplies the parking sensor control unit M84 at pin 1 of connector and provides an 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 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 ;