Folding left/right outside rearview mirror, function

P88.79-2074-09

1 Circuit 15R signal

2 Speed signal (CAN-B)

3 Outside rearview mirror in garage position or in driving position

A1 Instrument cluster

CAN CAN Class B

M21/1 Left electrically adjustable and heated outside rearview mirror

M21/2 Right electrically adjustable and heated outside rearview mirror

N69/1 Left front door control module

N69/2 Right front door control module

N73 EIS [EZS] control module

S20/1 Power window and outside rearview mirror adjustment switch group, driver

Left/right folding outside rearview mirror

Function requirements:

 No overvoltage or undervoltage

 Term. 15R or term. 15 "ON"

Operation

The left and right outside rearview mirrors can be folded in and out electrically.With the outside rearview mirror adjustment switch it is possible to move the left/right outside rearview mirror housing to the garage position (mirror housing folded in) or to the drive position (mirror housing folded out).

The switch statuses of the outside rearview mirror adjustment switch are read in by the left front door control module (N69/1) (vehicles with right-hand steering: right front door control module (N69/2) and stored as message on the CAN bus on the passenger side for the door control module.

The left front door control module (N69/1) and the right front door control module (N69/2) then actuate the corresponding motor in the left or right outside rearview mirror housing.