 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/ Remedy |
| 1.0 |
Center console switch
group (S21)
Voltage supply |
A 
(1) |
S21
 |
 G
(4)
|
Ignition: OFF
Do not disconnect connectors 1 and 4
|
11 - 14 V |
Wiring,
S21 |
| 2.0 |
Outside rearview mirror-left/right
switch (S21s8)
Function
|
E 
(4) |
S21
|
 G
(4)
|
Ignition: OFF
Disconnect connector 4
Set S21s8 to left mirror.
Press outside rearview mirror-horizontal adjustment switch (S21s7) to the
left:
Press outside rearview mirror-horizontal adjustment switch (S21s7) to the
right: |
< 1 
>20 k
|
2.1 |
| 2.1 |
Outside rearview mirror-left/right
switch (S21s8)
Function
|
F
(4) |
S21
|
G
(4)
|
Ignition: OFF
Disconnect connector 4
Set S21s8 to right mirror.
Press (S21s7) to the left:
Press (S21s7) to the right:
|
< 1
>20 k
|
S21s7
S21s8 |
| 3.0 |
Outside rearview mirror-vertical
adjustment
switch (S21s6)
Function |
B5
|
X35/1
|
C4
|
Ignition: OFF
Disconnect left front door separation point (X35/1) connector.
S21s8 set to left mirror.
Press S21s6 forward:
Press s21s6 backward:
|
- 11 to - 14 V
11 - 14 V |
Wiring,
S21s6
S21s8
|
| 4.0 |
Outside rearview mirror-horizontal
adjustment
switch (S21s7)
Function |
B5
|
X35/1
|
B6
|
Ignition: OFF
Disconnect left front door separation point (X35/1) connector.
S21s8 set to left mirror.
Press S21s7 to the left:
Press S21s7 to the right:
|
- 11 to - 14 V
11 - 14 V |
Wiring,
S21s7
S21s8
|
| 5.0 |
Mirror adjustment motor (up/down)
(M21/1m1)
Activation |
X35/1
B5
C4
|
|
 +
|
Ignition: OFF
Disconnect left front door separation point (X35/1) connector.
Use bridges with
124 589 37 63 00 safety cable only.
|
Motor runs. |
Wiring,
M21/1m1 |
| 6.0 |
Mirror adjustment motor
(in/out) (M21/1m2)
Activation |
X35/1
B5
B6
|
|
+
|
Ignition: OFF
Disconnect left front door separation point (X35/1) connector.
Use bridges with
124 589 37 63 00 safety cable only.
|
Motor runs. |
Wiring,
M21/1m2 |
| 7.0 |
Outside rearview mirror-vertical
adjustment
switch (S21s6)
Function |
B5
|
X35/1
|
B6
|
Ignition: OFF
Disconnect right front door separation point (X35/2) connector.
Set S21s8 to right mirror.
Press S21s6 forward:
Press S21s6 backward:
|
- 11 to - 14 V
11 - 14 V |
Wiring,
S21s6
S21s8 |
| 8.0 |
Outside rearview mirror-horizontal
adjustment
switch (S21s7)
Function |
B5
|
X35/2
|
C4
|
Ignition: OFF
Disconnect right front door separation point (X35/2) connector.
Set S21s8 to right mirror.
Press S21s7 to left:
Press S21s6 to right:
|
- 11 to - 14 V
11 - 14 V |
Wiring,
S21s7
S21s8 |
| 9.0 |
Right mirror adjustment motor
(up/down) (M21/2m1)
Activation |
X35/2
B5
B6
|
|
+
|
Ignition: OFF
Disconnect right front door separation point (X35/2) connector.
Use bridges with
124 589 37 63 00 safety cable only.
|
Motor runs. |
Wiring,
M21/2m1 |
| 10.0 |
Right mirror adjustment motor
(in/out) (M21/2m2)
Activation |
X35/2
B5
C4
|
|
+
|
Ignition: OFF
Disconnect right front door separation point (X35/2) connector.
Use bridges with
124 589 37 63 00 safety cable only.
|
Motor runs. |
Wiring,
M21/2m2 |
| 11.0 |
Left mirror heater (M21/1r1)
Voltage supply |
C5
|
X35/1
|
C6
|
Ignition: ON
Disconnect left front door separation point (X35/1) connector.
|
11 - 14 V |
Wiring,
1.0 |
| 11.1 |
Left mirror heater (M21/1r1)
Resistance |
C5
|
X35/1
|
C6
|
Ignition: OFF
At outside temperatures
>15° C (59° F): spray mirror glass with "electronic freeze
mist" (aerosal can) to cool glass down, wait 1 minute, measure resistance.
|
<10 |
M21/1r1 |
| 12.0 |
Right mirror
heater (M21/2r1)
Voltage supply |
C5
|
X35/2
|
C6
|
Ignition: ON
Disconnect right front door separation point (X35/2) connector.
|
11 - 14 V |
Wiring,
1.0 |
| 12.1 |
Right mirror heater (M21/2r1)
Resistance |
C5
|
X35/2
|
C6
|
Ignition: OFF
At outside temperatures
>15° C (59° F): spray mirror glass with "electronic freeze
mist" (aerosal can) to cool glass down, wait 1 minute, measure resistance.
|
<10 |
M21/2r1 |
Printable
version
