 |
 |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
   |
Voltage supply
Circuit 30E, 31E |
61  |
N10-1
N10-3
 |
 75
|
|
11 - 14 V |
Wiring,
1.1 |
| 1.1 |
|
Voltage supply
Circuit 30E |
 |
N10-1
N10-3
|
75
|
|
11 - 14 V |
Wiring. |
| 2.0 |
 |
Voltage supply
Circuit 15 |
|
N10-1
N10-3
|
58
|
Ignition: ON
|
11 - 14 V |
Wiring.
|
| 3.0 |
|
Voltage supply
Circuit 15R |
|
N10-1
N10-3
|
3
|
Ignition: ON |
11 - 14 V |
Wiring. |
| 4.0 |
|
Voltage supply
Circuit 30C
Driver, mirror, steering column memory
|
|
N10-1
|
6
|
|
11 - 14 V |
Wiring. |
| 5.0 |
|
Voltage supply
Circuit 30A, 31A
Front window motor |
5 |
N10-1
N10-3
|
44
|
Ignition: OFF
|
11 - 14 V |
Wiring,
5.1 |
| 5.1 |
|
Voltage supply
Circuit 30A,
Front window motor |
|
N10-1
N10-3
|
44
|
Ignition: OFF |
11 - 14 V |
Wiring. |
| 6.0 |
|
Voltage supply
Circuit 30B, 31B
Rear window motor |
43 |
N10-1
N10-3
|
4
|
Ignition: OFF |
11 - 14 V |
Wiring,
6.1 |
| 6.1 |
|
Voltage supply
Circuit 30B
Rear window motor |
|
N10-1
N10-3
|
4
|
Ignition: OFF |
11 - 14 V |
Wiring.
|
| 7.0 |
|
Vehicle speed signal (VSS)
Activated by combination control module (N10-1 or N10-3) |
|
N10-1
N10-3
|
74
|
Ignition: ON
Rotate left front wheel
(approx. 1 turn/second). |
~5 V |
Wiring
Traction systems control
module (N47)
|
| 8.0 |
|
Voltage supply
Circuit 31
Wiper |
42 |
N10-1
N10-3
|
75
|
|
11 - 14 V |
Wiring. |
| 9.0 |
|
Combination switch (S4)
Activated by combination control module (N10-1 or N10-3)
|
42 |
N10-1
N10-3
|
65
|
Ignition: ON
Touch wipe
Interval wipe
Stage 1
Stage 2
|
6.8 - 8.6 V
3.3 - 4.2 V
6.8 - 8.6 V
11 - 14 V |
Wiring,
Combination switch (S4).
|
| 10.0 |
|
Combination switch (S4)
Wash function
Activated by combination control module (N10-1 or N10-3)
|
42 |
N10-1
N10-3
|
63
|
Ignition: ON
Combination switch (S4)
perform: wash function |
11 - 14 V
|
Wiring,
Combination switch (S4). |
| 11.0 |
|
Wiper system
Interval wipe
Activate wiper motor (M6/1) via combination control module (N10-1
or N10-3)
|
42 |
N10-1
N10-3
|
2
|
Ignition: ON
Combination switch (S4)
set at: Interval wipe. |
Stepped voltage
11 - 14 V |
9.0,
N10-1 or N10-3 |
| 12.0 |
|
Wiper system stage 1
Activate wiper motor (M6/1) via combination control module (N10-1
or N10-3)
|
42 |
N10-1
N10-3
|
2
|
Ignition: ON
Combination switch (S4)
set at: stage 1 |
11 - 14 V
|
9.0,
N10-1 or N10-3 |
| 13.0 |
|
Wiper system stage 2
Activate wiper motor (M6/1) via combination control module (N10-1
or N10-3)
|
42 |
N10-1
N10-3
|
1
|
Ignition: ON
Combination switch (S4)
set at: stage 2 |
11 - 14 V
|
9.0,
N10-1 or N10-3 |
| 14.0 |
|
Wiper motor (M6/1)
Circuit 31
Activated by combination control module (N10-1 or N10-3)
|
41 |
N10-1
N10-3
|
75
|
Ignition: OFF |
11 - 14 V |
8.0,
N10-1 or N10-3 |
| 15.0 |
|
Wipe system circuit 31b
Activate combination control module (N10-1 or N10-3) via wiper motor
(M6/1)
|
|
N10-1
N10-3
|
40
|
Ignition: ON
Wiper arm "parked". |
< 1 V |
Wiring,
Wiper motor (M6/1). |
| 16.0 |
|
Non-USA vehicles only,
continue to next test step.
|
|
|
|
|
|
|
| 17.0 |
  |
Entrance/exit lamps
Activated by combination control module (N10-1)
|
27 |
N10-1
|
75
|
Ignition: OFF
Door: open
Door: closed
|
11 - 14 V
< 1 V |
Wiring,
Left/right front door
switches (S17/3, S17/4),
Left/right rear door
switches (S17/5, S17/6),
D.M. Body and Accessories,
Vol. 2.1, 5.3 > 23 > 5.0-8.0,
CAN-data lines,
D.M. Body and Accessories,
Vol. 2.1, 5.3, > 23 > 9.0, 10.0,
N10-1,
PSE control module (A37).
|
| 18.0 |
|
Front dome lamp (E15/1
or E15/2)
Activated by combination control module (N10-1 or N10-3) |
18 |
N10-1
N10-3
|
75
|
Ignition: OFF
Both switches of E15/ 1 or E15/2 in center position.
Door: open
Door: closed, after approx. 8 seconds delay (soft dim).
Model 170 only
Trunk lid open
Trunk lid: closed, after approx. 8 seconds delay (soft dim) |
11 - 14 V
< 1 V
11 - 14 V
< 1 V |
Wiring,
Left/right front door
switches (S17/3, S17/4),
Left/right rear door
switches (S17/5, S17/6),
D.M. Body and Accessories,
Vol. 2.1, 5.3, > 23 > 5.0-8.0,
CAN-data lines,
D.M. Body and Accessories,
Vol. 2.1, 5.3, > 23 > 9.0, 10.0,
N10-1 or N10-3,
PSE control module (A37).
Model 170 only
Rotary latch selector switch, trunk lock/trunk illumination (S69/12)
|
| 19.0 |
|
Front dome lamp delayed
shut-off after approx. 5 minutes
Activated by combination control module (N10-1 or N10-3)
|
18 |
N10-1
N10-3
|
75
|
Ignition: OFF
Door: open
After approx. 5 minutes. |
11 - 14 V
< 1 V |
18.0,
N10-1 or N10-3 |
| 20.0 |
|
Entrance/exit lamp delayed
shut-off after approx. 5 minutes
Activated by combination control module (N10-1)
|
27 |
N10-1
|
75
|
Ignition: OFF
Door: open
After approx. 5 minutes. |
11 - 14 V
< 1 V |
17.0,
N10-1 |
| 21.0 |
|
Rear dome lamp (E15/3)
Wire from front dome lamp (E15/2) to rear dome lamp (E15/3) |
2 |
E15/3
|
1
|
Switch in front dome
lamp set to rear dome lamp ON. |
11 - 14 V
|
Wiring,
Front dome lamp (E15/2),
Rear dome lamp (E15/3).
|
| 22.0 |
|
Heated rear window
Activate combination control module (N10-1 or N10-3) via defrost
switch in A/C pushbutton control
module (N19/1or N22)
|
|
N10-1
N10-3
|
47
|
Ignition: ON
Heated rear window: ON,
Defrost switched pressed
Defrost switch in rest position.
Heated rear window OFF,
Defrost switch in rest position.
|
6.2 - 8.0 V
< 1 V
6.2 - 8.0 V
|
Wiring,
Defrost switch (N19/1 or N22). |
| 23.0 |
|
Heated rear window, voltage
supply from PSE control module (A37) |
3
(2) |
A37
|
2
(2)
|
Ignition: OFF |
11 - 14 V
|
Wiring. |
| 24.0 |
|
Heated rear window relays
within PSE control
module (A37) |
|
A37
|
4
(2)
|
Ignition: ON
Heated rear window: ON
Connector 2 connected. |
11 - 14 V
|
22.0,
CAN-data lines,
D.M. Body and Accessories,
Vol. 2.1, 5.3, >23 >9.0, 10.0
Combination control
module (N10-1 or N10-3),
PSE control module (A37).
|
| 25.0 |
 |
Heated rear window switch
LED indicator |
42 |
N10-1
N10-3
|
48
|
Ignition: ON
Heated rear window: ON
Model 170:
Retractable
hardtop: closed |
7.2 - 9.2 V |
Wiring,
N10-1 or N10-3 |
| 26.0 |
|
Turn signal system
Circuit 49
Activated by combination control module (N10-1 or N10-3) |
|
N10-1
N10-3
|
46
|
Ignition: ON
Disconnect connector A from combination control module (N10-1 or
N10-3).
|
11 - 14 V
|
Wiring,
Cockpit switch group (S6/1).
|
| 27.0 |
|
Turn signal system
Circuit 49a
Output from combination control module (N10-1 or N10-3)
|
|
N10-1
N10-3
|
45
|
Ignition: ON |
11 - 14 V |
Cockpit switch group (S6/1),
N10-1 or N10-3 |
| 28.0 |
|
Module box blower
motor (M2/2) voltage supply from combination control module
(N10-1 or N10-3)
|
67 |
N10-1
N10-3
|
50
|
Ignition: ON |
11 - 14 V |
28.1,
N10-1 or N10-3 |
| 28.1 |
|
Module box blower
motor (M2/2)
|
44
67 |
|
50
5
|
Ignition: OFF
Disconnect coupling A from combination control module (N10-1 or
N10-3). Bridge sockets 44 and 50 with fused jumper wire (124 589
37 63 00).
|
M2/2 runs. |
Wiring,
M2/2 |
Printable
version
