Left Front Door Control Unit, Component Description - GF72.29-S-6001A
Model 447
With Code XM7 (MOPF II)
Left front door control unit, Shown On model 447.8
Left front door control unit, Shown On model 447.8
Overview
This document contains information on:
- General
- Function
- Ground connection
- Voltage supply
General
The left front door control unit (N69/3) is installed in the left front door under the door trim.
Function
The left front door control unit (N69/3) controls and processes all signals relating to functions in or around the door. These include adjustment of the outside mirrors, control of the window lifters, electrical seat adjustment and other additional functions.
The following input and output parameters are read in/output via direct lines by the left front door control unit (N69/3):
| Input parameters via a direct line | Output parameters via a direct line |
|---|---|
| Circuit 30t | - |
| Circuit 31 | - |
| - | Left door lock rotary tumbler signal |
| - | Actuation of left outside mirror surround lighting (M21/4e2) |
| - | Actuation of mirror fold-in motor (M21/4m3) |
| - | Actuation of left Blind Spot Assist readiness and warning display (M21/4e3) |
| - | Left mirror dimming power supply (M21/4r4) |
| - | Left mirror dimming ground connection (M21/4r4) |
| - | Left mirror heater power supply (M21/4r1) |
| - | Left mirror heater ground connection (M21/4r1) |
| - | Actuation of mirror up/down adjustment motor (M21/4m1) and mirror in/out adjustment motor (M21/4m2) |
| - | Left outside mirror turn signal lamp power supply (M21/4e1) |
| - | Left outside mirror turn signal lamp ground connection (M21/4e1) |
| Signal for mirror up/down adjustment motor (M21/4m1) and mirror in/out adjustment motor (M21/4m2) | - |
| - | Power supply for mirror up/down adjustment motor (M21/4m1) and mirror in/out adjustment motor (M21/4m2) |
| - | Ground connection for mirror up/down adjustment motor (M21/4m1) and mirror in/out adjustment motor (M21/4m2) |
| - | Power supply for front left power window motor (M10/3) |
| - | Ground connection for front left power window motor (M10/3) |
| Signal for driver central locking system internal operation switch (S85/5) | - |
| - | Ground connection for left central locking system internal operation switch (S85/5) |
| - | Power supply for left central locking system internal operation switch (S85/5) |
| - | Power supply for left exit and warning lamp (E20/1) |
| - | Ground connection for left exit and warning lamp (E20/1) |
| LIN B5 (Left front door LIN) | LIN B5 (Left front door LIN) |
| - | Power supply for left seat climate control switch group (S203) |
| - | Ground connection for left seat climate control switch group (S203) |
| - | Power supply for front left seat adjustment switch group (S22/3) |
| - | Ground connection for front left seat adjustment switch group (S22/3) |
| LIN B30 (Left front door ambiance illumination LIN) | LIN B30 (Left front door ambiance illumination LIN) |
| - | Power supply for left front door central locking system actuator (M14/3) |
| Left door lock rotary tumbler signal | - |
| - | Power supply for left additional turn signal lamp (E22/1) |
| - | Ground connection for left additional turn signal lamp (E22/1) |
In left-hand-drive vehicles, the following additional input and output parameters are read in/output by the left front door control unit (N69/3) via direct lines:
| Input parameters via a direct line | Output parameters via a direct line |
|---|---|
| LIN B5 (Left front door LIN) | LIN B5 (Left front door LIN) |
| - | Driver's door control panel power supply (S47) |
| - | Driver's door control panel ground connection (S47) |
In right-hand-drive vehicles, the following additional input and output parameters are read in/output by the left front door control unit (N69/3) via direct lines:
| Input parameters via a direct line | Output parameters via a direct line |
|---|---|
| Front passenger's power window assembly switch signal (S48) | - |
| - | Front passenger's power window assembly switch power supply (S48) |
| - | Front passenger's power window assembly switch ground connection (S48) |
Input and output parameters of the following control unit are sent/received by the left front door control unit (N69/3) via the interior CAN (CANB):
| Input parameters and output parameters via interior CAN (CANB) | Supplemental information |
|---|---|
| Signal acquisition and actuation module (SAM) control unit (N10/1) | - |
Ground connection
The "terminal 31" ground connection is established via the left vehicle interior firewall ground point 2 (W43/6).
Voltage supply
The "circuit 30t" power supply is established via the firewall fuse and relay module (K40/11).