 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/ Remedy |
| 1.0 |
   |
Center console switch
group (S21)
Voltage supply |
|
S21
 |
 6
(2)
|
Ignition: OFF |
11 - 14 V |
Wiring,
1.1 |
| 1.1 |
|
Center console switch
group (S21)
Voltage supply
|
4 
(2) |
S21
|
6
(2)
|
Ignition: OFF |
11 - 14 V |
Wiring,
1.2 |
| 1.2 |
|
Center console switch
group (S21)
Illumination |
|
S21
|
1
(1)
|
Connector disconnected at S21.
Parking lamps: ON |
11 - 14 V |
Voltage supply, circuit 58d,
S21
|
| 2.0 |
 
 |
Combinationcontrol
module (N10-1)
Voltage supply
Circuit 30C
|
|
N10-1
|
6
|
Ignition: OFF |
11 - 14 V |
Wiring,
2.1 |
| 2.1 |
|
Combinationcontrol
module (N10-1)
Voltage supply
Circuit 31B
|
43
(A) |
N10-1
|
6
(A)
|
Ignition: OFF |
11 - 14 V
|
Wiring,
2.2
|
| 2.2 |
 |
Combinationcontrol
module (N10-1)
Voltage supply
Circuit 15R
|
|
N10-1
|
3
(A)
|
Ignition: ON |
11 - 14 V |
Wiring,
2.3 |
| 3.0 |
|
Outside rearview mirror-vertical
adjustment (S21s6) switch
Activate combination control module (N10-1)
|
69
(A) |
N10-1
|
52
(A)
|
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To left mirror
S21s6: Press forward
S21s6: Press backward
|
- 11 to - 14 V
11 - 14 V |
Wiring,
1.0
3.1
Center console switch
group (S21) |
| 3.1 |
|
Outside rearview mirror-horizontal
adjustment (S21s7) switch
Activate combination control module (N10-1)
|
|
N1-01
|
69
(A)
|
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To left mirror
S21s7: Press left
S21s7: Press right
|
4 - 7 V
< 1 V
11 - 14 V |
Wiring,
S21 |
| 4.0 |
|
Outside rearview mirror-vertical
adjustment (S21s6) switch
Activate combination contro l module (N10-1)
|
68
(A)
|
N10-1
|
52
(A)
|
Ignition: ON
Set outside rearview mirror-left/right (s21s8):
To right mirror
S21s6: Press forward
S21s6: Press backward
|
- 11 to - 14 V
11 - 14 V |
Wiring,
4.1,
Center console switch
group (S21). |
| 4.1 |
|
Outside rearview mirror-horizontal
adjustment (S21s7) switch
Activate combination contro l module (N10-1)
|
|
N10-1
|
68
(A)
|
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To right mirror
S21s7: Press left
S21s7: Press right
|
4 - 7 V
< 1 V
11 - 14 V |
Wiring,
S21 |
| 5.0 |
  |
Activation of vertical adjustment
motor (M21/5m1)
(front passenger mirror) by combination control module (N10-1) |
4
(1) |
M21/5m1
|
5
(1)
|
Disconnect connector (1) at front
passenger outside rearview mirror (M21/5).
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To right mirror
S21s7: Press left
S21s7: Press right
|
11 - 14 V
- 11 to - 14 V |
Wiring,
S21,
N10-1 |
| 6.0 |
|
Activation of horizontal adjustment
motor (M21/5m2) (front passenger mirror) by combination control module
(N10-1) |
4
(1) |
M21/5m2
|
3
(1)
|
Disconnect connector (1) at front
passenger rearview mirror (M21/5).
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To right mirror
S21s6: Press forward
S21s6: Press backward
|
- 11 to - 14 V
11 - 14 V |
Wiring,
S21,
N10-1 |
| 7.0 |
|
Vertical adjustment motor (M21/5m1)
(front passenger mirror) vertical adjustment |
3 
(1)
2
(1) |
M21/5m1
|
1
(1)
 4
(1)
|
CAUTION!
Disconnect connector (1) at front passenger outside rearview mirror (M21/5).
Bridge sockets 5 and 1 with fused jumper wire
124 589 37 63 00
Ignition: ON
|
Motor runs. |
M21/5m1 |
| 8.0 |
|
Horizontal adjustment motor (M21/5m2)
(front passenger mirror) horizontal adjustment |
5
(1)
2
(1) |
M21/5m2
|
1
(1)
4
(1)
|
CAUTION!
Disconnect connector (1) at front passenger rearview mirror (M21/5).
Bridge sockets 3 and 1 with fused jumper wire
124 589 37 63 00
Ignition: ON
|
Motor runs. |
M21/5m2 |
| 9.0 |
 |
Electrically adjustable and heated
front passenger outside rearview mirror (M21/5) (Memory)
Potentiometer voltage supply
|
|
N10-1
|
53
|
Ignition: ON
|
4 - 5 V |
Wiring,
9.1,
Combination control
module (N10-1). |
| 9.1 |
|
Electrically adjustable and heated
front passenger outside rearview mirror (M21/5) potentiometer |
76
(A)
76
(A) |
|
32
(A)
33
(A)
|
Ignition: ON
Adjust mirror in various directions using vertical/horizontal adjustment
(S21s7, or S21/s8). |
Values change within the range of
0 - 5 V |
Wiring,
M21/5m1,
M21/5m2 |
| 10.0 |
|
Horizontal adjustment motor (M21/5m2)
(Driver-side mirror) horizontal adjustment by combination control module
(N10-1) |
4
(1)
|
M21/4m2
|
3
(1)
|
Disconnect connector (1) at driver-side
rearview mirror (M21/4).
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To left mirror
S21s7: Press forward
S21s7: Press backward
|
- 11 to - 14 V
11 - 14 V
|
Wiring,
Center consle switch group (M21),
N10-1 |
| 11.0 |
|
Vertical adjustment motor (M21/4m1)
(Driver-side mirror) vertical adjustment by combination control module (N10-1) |
4
(1) |
M21/4m1
|
5
(1)
|
Disconnect connector (1) at passenger-side
mirror (M21/4).
Ignition: ON
Set outside rearview mirror-left/right (S21s8):
To left mirror.
S21s6: Press forward
S21s6: Press backward
|
- 11 to - 14 V
11 - 14 V |
Wiring,
Center console switch
group (M21),
N10-1 |
| 12.0 |
|
Vertical adjustment motor (M21/4m1)
(Driver-side mirror) |
5
(1)
2
(1)
|
M21/4m1
|
1
(1)
4
(1)
|
CAUTION!
Disconnect connector (1) at driver-side rearview mirror (M21/4).
Bridge sockets 5 and 1 with fused jumper wire
124 589 37 63 00
Ignition: ON
|
Motor runs. |
M21/4m1 |
| 13.0 |
|
Vertical adjustment motor (M21/4m2)
(Driver-side mirror) |
3
(1)
2
(1)
|
M21/4m1
|
1
(1)
4
(1)
|
CAUTION!
Disconnect connector (1) at driver-side rearview mirror (M21/4).
Bridge sockets 3 and 1 with fused jumper wire
124 589 37 63 00
Ignition: ON
|
Motor runs. |
M21/4m2 |
| 14.0 |
|
Electrically adjustable and heated
driver-side outside rearview mirror (M21/4)
Memory
Potentiometer voltage supply
|
|
N10-1
|
70
(A)
|
Ignition: ON |
4 - 5 V |
Actual values reached,
14.1
Wiring,
Combination control
module (N10-1).
|
| 14.1 |
|
Electrically adjustable and heated
driver-side outside rearview mirror (M21/4)
Memory
Potentiometer |
76
(A)
76
(A) |
|
33
(A)
32
(A)
|
Ignition: ON
Adjust mirror in various directions using vertical/horizontal adjustment
(S21s7, or S21/s8). |
Values change within the range of
0 - 5 V |
Wiring,
M21/4m1,
M21/4m2 |
| 15.0 |
|
Mirror heating (driver-side outside
mirror)
Voltage supply |
2
(1) |
M21/4
|
1
(1)
|
Disconnect connector (1) from driver-side
outside rearview mirror (M21/4).
Ignition: ON
|
11 - 14 V |
Wiring. |
| 16.0 |
|
Mirror heating (front passenger
outside mirror)
Voltage supply |
2
(1) |
M21/5
|
1
(1)
|
Disconnect connector (1) from front
passenger rearview outside
mirror (M21/5).
Ignition: ON
|
11 - 14 V |
Wiring. |
| 17.0 |
|
Steering column in/out switch
(S91s12)
Resistance |
12
(1) |
N32/1
 |
8
(1)
|
Disconnect connector (1) at left
front ESA control module (N32/1).
S91s12:
Rest position
S91s11:
Press forward
Press backward
|
approx. 470 
approx. 39
approx. 16 |
Wiring,
17.1,
D.M., Body and Accessories
Volume 5, 15.3, >23 >2.0,
Left front ESA switch
group (S91). |
| 17.1 |
|
Steering column up/down
switch (S91s11)
Resistance
|
12
(1)
|
N32/1
|
8
(1)
|
Disconnect connector (1) at left
front ESA control module (N32/1).
S91s11:
Press up
Press down
|
approx. 124
approx. 65 |
Wiring,
D.M., Body and Accessories
Volume 5, 15.3, >23 >2.0,
18.1,
S91
|
| 18.0 |
|
Activation of telescopic adjustment
motor (M20m1) by combination control module (N10-1) |
2
(4) |
M20m1
|
1
(4)
|
Disconnect connector (4) from ESC
motor group (M20).
Ignition: ON
S91s12:
Press forward
Press backward
|
For 1- 2 sec.:
11 - 14 V
- 11 to - 14 V |
Wiring,
D.M., Body and Accessories
Volume 5, 15.3, >23 >2.0,
18.1,
Left front ESA switch
group (S91),
N10-1 |
| 18.1 |
|
Voltage supply to M20m1 potentiometer
from N10-1 |
|
M20m1
|
2
(3)
|
Disconnect connector (3) from ESC
motor (M20).
Ignition: ON
|
4 - 5 V |
Wiring,
18.2 |
| 18.2 |
|
Voltage supply to M20m1 potentiometer
from N10-1 |
1
(3) |
M20m1
|
2
(3)
|
Disconnect connector (3)
from ESC motor (M20).
Ignition: ON |
4 - 5 V |
Wiring,
18.3,
N10-1
|
| 18.3 |
|
Potentiometer |
28
(A) |
N10-1
|
54
(A)
|
Ignition: ON
Press S91s12 forward or backward.
|
While motor is running, values change
within range of
0 - 5 V.
|
Wiring,
M20m1 |
| 19.0 |
|
Activation of tilt adjustment
motor (M20m2) by combination control module (N10-1) |
2
(1) |
M20m2
|
1
(1)
|
Disconnect connector (1) from ESC
motor group (M20).
Ignition: ON
S91s11:
Press up
Press down
|
For 1- 2 sec.:
- 11 to - 14 V
11 - 14 V |
Wiring,
D.M., Body and Accessories
Volume 5, 15.3, >23 >2.0,
19.1,
Left front ESA switch
group (S91),
N10-1 |
| 19.1 |
|
Voltage supply to M20m2 potentiometer
from N10-1 |
|
M20m1
|
3
(3)
|
Disconnect connector (2) from ESC
motor (M20).
Ignition: ON
|
4 - 5 V |
Wiring,
19.2 |
| 19.2 |
|
Voltage supply to M20m1 potentiometer
from N10-1 |
4
(2) |
M20m2
|
3
(2)
|
Disconnect connector (3)
from ESC motor (M20).
Ignition: ON |
4 - 5 V |
Wiring,
19.3,
N10-1
|
| 19.3 |
|
Potentiometer |
29
(A) |
N10-1
|
54
(A)
|
Ignition: ON
Press S91s12 up or down.
|
While motor is running, values change
within range of
0 - 5 V.
|
Wiring,
M20m2 |
| 20.0 |
|
RCL receiver (interior rearview
mirror) (A26/7)
Voltage supply
Electronic dimming
|
2 |
A26/6
|
5
|
Disconnect connector on A26/7.
Ignition: ON |
11 - 14 V |
Wiring.
|
Printable
version
