Diagnostic Manual, Body and Accessories,
Volume 4
Electrical Test Program - Test
 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
Activation of:
Vertical adjustment motor (M21/6m1) via front driver-side door control
module (N69/1)
|
4  |
M21/6
 |
 5
|
Outside rearview mirror-left/right
(N72s8) set to left outside rearview mirror.
Ignition: ON
Press (N72s8) to:
Up adjustment:
Down adjustment:
|
11 - 14 V
-11 to -14 V |
Wiring,
Version coding of N69/1,
See WIS document:
AD88.79-P-6000-03A
N69/1 |
| 2.0 |
Mirror position memory (M21/6n1)
Voltage supply to potentiometer
|
2 (2) |
M21/6n1
|
3
(2)
|
Ignition: ON |
4 - 5 V |
Wiring,
N69/1 |
| 3.0 |
Mirror position memory (M21/6n1)
Potentiometer |
4 (2)
4 (2) |
M21/6n1
|
1
(2)
2
(2)
|
Ignition: OFF
Carefully push mirror glass in all directions using the palm of hand. |
Values change within the range of:
0.7 - 1.5k 
0.3 - 1.3k |
Wiring,
M21/6m1
Wiring,
M21/6m2
|
| 4.0 |
Mirror position memory (M21/7n1)
Voltage supply to potentiometer
|
2 (2) |
M21/7n1
|
3
(2)
|
Ignition: ON |
4 - 5 V |
Wiring,
N69/2 |
| 5.0 |
Mirror position memory (M21/7n1)
Potentiometer |
4 (2)
4 (2) |
M21/7n1
|
1
(2)
2
(2)
|
Ignition: OFF
Carefully push mirror glass in all directions using the palm of hand. |
Values change within the range of:
0.7 - 1.5k
0.3 - 1.3k |
Wiring,
M21/7m1
Wiring,
M21/7m2
|
| 6.0 |
Dimming interior rearview mirror
Voltage supply from roof control panel control module (N70)
|
4  (C)
|
N70
|
 8
(C)
|
Ignition: ON
|
11 - 14 V |
N70 |
| 7.0 |
Interior illumination "ON"
signal to dimming interior rearview mirror (H7) via roof control panel
control module (N70) |
4 (C) |
N70
|
6
(C)
|
Ignition: ON
Interior illumination switched on.
|
11 - 14 V |
N70 |
| 8.0 |
Reverse gear engaged signal to
dimming rearview mirror (H7) via roof control panel control module
(N70)
|
4 (C)
|
N70
|
6
(C)
|
Ignition: ON
Reverse gear engaged. |
11 - 14 V
|
N70 |
| 9.0 |
Left outside rearview
mirror (dimming)
Activation of front driver-side door control module (N69/1)
|
7 (2) |
M21/6h1
|
8
(2)
|
Ignition: ON
Interior illumination: OFF
Cover light sensor on backside of interior rearview mirror, using tape.
Shine light beam from flashlight at glass surface of interior rearview mirror.
|
0 - 1, 5 V |
Wiring,
6.0,
Electronic mirror dimming (H7),
N69/1,
N70 |
|
Printable
version
