E2022 Reverse light

Description

The vehicle has a reversing light located in the centre of the right rear light cluster (on the boot).

It is operated each time reverse gear is engaged through the special switch on the outside of the gearbox casing.

The reversing light circuit is supplied with the ignition key in the ON position (INT) and is protected by a special fuse in the underdashboard control unit.

The signal that the reversing light has been switched on is managed by the Body Computer which forwards this information to the steering column switch unit for the automatic operation of the rearscreen wiper Wiring diagram E3021 REAR WINDOW WASH/WIPE and, via the CAN, to the radio-telephone-navigator connector Wiring diagram E4090 NAVIGATOR .

Description of operation

The supply for the reversing lights switch I20 is controlled by the ignition (INT) from the line for fuse F35 of the underdashboard control unit B2.

When reverse gear is engaged, the switch closes and send the supply to the reversing light in the right centre rear light cluster F36, directly via the control unit B2 - pin 8 connector D.

The reversing light activation signal is sent to the Body Computer M1 - pin 3 of connector F - and from there to the steering column switch unit H5; it is also sent, via the CAN line, to the navigator connector Wiring diagram E4090 NAVIGATOR .

Wiring diagram

Components

Component location