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LOCATION:    12.5 Mirror, Steering Column Adjustment, Heated Mirrors (MSC)  >   23 Electrical Test Program - Test


Electrical Test Program - Test

Test scope
Test connection
 Test condition Nominal value Possible cause/Remedy
1.0   Outside mirror control
switch (S50)
Voltage supply
S50

6
 Ignition: ON 11 - 14 V Wiring
1.1
1.1   Outside mirror control
switch (S50)
Voltage supply

1

S50


6
 Ignition: ON 11 - 14 V Wiring
2.0   Outside mirror control
switch (S50)
Electrically adjustable and heated driver-side outside rearview mirror motor actuation (M21/1)










5




4










M21/1




M21/1











4




3
 Connector to electrically adjustable and heated driver-side outside rearview mirror motor M21/1 disconnected

Ignition: ON
switch set to left outside mirror

Press S50 switch towards front
Press S50 switch towards back

Press S50 switch to the left
Press S50 switch to the right












11 - 14 V

-11 to -14 V


11 - 14 V

-11 to -14 V		 Wiring
S50
3.0   Outside mirror control
switch (S50)
Electrically adjustable and heated front passenger outside rearview mirror motor actuation (M21/2)









3


4









M21/2


M21/2










4


5
 Connector to front passenger outside rearview mirror motor M21/2 disconnected

Ignition: ON
switch set to right outside mirror

Press S50 towards front
Press S50 towards back

Press S50 to the left
Press S50 to the right









11 - 14 V

-11 to -14 V


11 - 14 V

-11 to -14 V		 Wiring
S50
4.0   Left outside mirror, vertical adjustment motor (M21/1m1)
3

2
M21/1m1




1


4
Connector to driver-side outside rearview mirror motor M21/1 disconnected

Bridge pins 3 (male) with pin 1 (female) and pin 2 with pin 4 of the connector as shown using test cable 124 589 37 63 00
Ignition: ON		 Electric motor runs M21/1m1
5.0   Left outside mirror, horizontal adjustment motor (M21/1m2)
5

2
M21/1m2




1


4
Connector to driver-side outside rearview mirror motor M21/1 disconnected

Bridge pin 5 (male) with pin1 (female) and pin 2 with pin 4 of the connector as shown using test cable 124 589 37 63 00
Ignition: ON		 Electric motor runs M21/1m2
6.0   Right outside mirror, vertical adjustment motor (M21/2m1)
3

2
M21/2m1




1


4
Connector to front passenger outside rearview mirror motor M21/2 disconnected

Bridge pins 3 (male) with pin1 (female) and pin 2 with pin 4 of the connector as shown using test cable 124 589 37 63 00
Ignition: ON		 Electric motor runs M21/2m1
7.0   Right outside mirror, horizontal adjustment motor (M21/2m2)
5

2
M21/2m2




1


4
Connector to driver-side outside rearview mirror motor M21/2 disconnected

Bridge pins 5 (male)with pin 1 (female) and pin 2 with oin 4 of the connector as shown using test cable 124 589 37 63 00
Ignition: ON		 Electric motor runs M21/2m2
8.0   Left outside mirror heating element (M21/1r1)
Voltage supply
2
M21/1r1

1
 Connector to driver-side outside rearview mirror motor M21/1 disconnected
Ignition: ON		 11 - 14 V Wiring
9.0   Right outside mirror heating element (M21/2r1)
Voltage supply
2
M21/2r1

1
 Connector to front passenger outside rearview mirror motor M21/2 disconnected
Ignition: ON		 11 - 14 V Wiring
10.0   Outside mirror control
switch illumination (S50)
Voltage supply
S50

2
 Head lights switched on 11 - 14 V Wiring
Voltage supply circuit 58d


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