Complaint/Problem |
Possible cause |
Test step/Remedy
1) |
No. 1
Windshield wiper does not function. |
Circuit 15R, 31 voltage supply
Combination switch (S4)
Combination control module (N10-1 or N10-3)
|
23 3.0, 8.0
23
9.0
23 11.0, 14.0
|
No. 2
Windshield wiper wash function does not function.
|
Combination switch (S4) |
23 10.0 |
No. 3
Windshield wiper interval wipe does not function. |
Combination switch (S4)
Combination control module (N10-1 or N10-3) |
23 9.0
23
11.0
|
No. 4
Windshield wiper stage 1 does not function. |
Combination switch (S4)
Combination control module (N10-1 or N10-3) |
23 9.0
23
12.0
|
No. 5
Windshield wiper stage 2 does not function.
|
Combination switch (S4)
Combination control module (N10-1 or N10-3) |
23 9.0
23
13.0 |
No. 6
With ignition on, windshield wiper can not be switched off.
|
Wiper motor (M6/1) |
23 15.0 |
No. 7
Non-USA vehicles only,
continue to next test step.
|
|
|
No. 8
Entrance/exit lamps (E17/3, E17/4, E1/7/5, E17/6) do not illuminate.
|
Left/right front door switch (S17/3,
S17/4)
Left/right rear door switch (S17/5, S17/6)
CAN data line
Combination control module (N10-1)
PSE control module (A37)
|
23 17.0 |
No. 9
Front dome lamp (E15/1 or E15/2) does not illuminate. |
Left/right front door switch (S17/3,
S17/4)
Left/right rear door switch (S17/5, S17/6)
CAN data line
Combination control module (N10-1 or N10-3)
PSE control module (A37)
|
23 18.0 |
No. 10
Front dome lamp (E15/1 or E15/2) does switch off after approx. 5
minutes.
|
Combination control module (N10-1
or N10-3) |
23 19.0 |
No. 11
Entrance/exit lamps (E17/3, E17/4, E17/5, E17/6) do not switch off
after approx. 5 minutes.
|
Combination control module (N10-1) |
23 20.0
|
No. 12
Rear dome lamp (E15/3) does not illuminate. |
Front dome lamp (E15/2)
Rear dome lamp (E15/3)
|
23 21.0
|
No. 13
Rear window defroster does not function. |
A/C pushbutton control module (N22)
defroster switch
Voltage supply circuit 30, 31
CAN data lines
Combination control module (N10-1 or N10-3)
PSE control module (A37)
|
23 22.0
23
23.0
23
24.0 |
No. 14
LED in defroster switch for rear window does not illuminate.
|
Combination control module (N10-1
or N10-3) |
23 25.0
|
No. 15
Turn signal system does not function. |
Cockpit switch group (S6/1)
Combination control module (N10-1 or N10-3)
|
23 26.0
23
27.0 |
No. 16
Module box blower motor (M2/2) does not function. |
Module box blower motor (M2/2)
Combination control module (N10-1 or N10-3)
|
23 28.0
23
28.0 |