 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
|
Rear HS control
module (N25/6)
Voltage supply
Circuit 30
Circuit 15R |
9 
9
|
|
 1
17
|
Ignition: OFF
Ignition: ON |
11 - 14 V
11 - 14 V |
Wiring,
Combination control
module (N10/2).
Wiring. |
| 2.0 |
|
Rear HS control
module (N25/6)
Voltage supply
Circuit 58d
|
9
|
N25/6
|
18
|
Parking lamps: OFF
Parking lamps: ON
|
0 - 1 V
11 - 14 V |
Wiring. |
| 3.0 |
|
Left rear seat heater
switch (S51/3)
Voltage supply |
9
|
N25/6
|
13
|
Ignition: ON
S51/3:
Hold pressed in stage II
S51/3:
Hold pressed in stage I |
6 - 8 V
0 - 1 V
2 - 4 V
|
3.1,
Rear HS control
module (N25/6) |
| 3.1 |
|
S51/3
Resistance |
9
|
N25/6
 |
13
|
Ignition: OFF
Disconnect test cable from N25/6.
S51/3:
Hold pressed in stage II
S51/3:
Hold pressed in stage I
|
>20 k
1 - 2
approx. 165 |
Wiring,
S51/3 |
| 4.0 |
|
Left rear seat cushion heater
element (R13/5) and left rear backrest heater element (R13/6)
Voltage supply |
9
|
N25/6
|
8
|
Ignition: ON
S51/3:
Hold pressed in stage II
S51/3:
Hold pressed in stage I |
0 - 1 V
9 - 14 V
proper interval indicated on multimeter.
|
Rear HS control
module (N25/6).
|
| 4.1 |
|
R13/5, R13/6
Resistance
|
9
|
N25/6
|
8
|
Ignition: OFF
Disconnect test cable from N25/6.
|
1.1 - 1.7
|
Wiring,
R13/5,
R13/6 |
| 5.0 |
|
Left rear seat heater
switch (S51/3) illumination
Voltage supply |
6 |
S51/3
|
5
|
Disconnect connector from S51/3.
Parking lamps: ON |
11 - 14 V
|
Wiring,
R13/5,
R13/6
|
| 6.0 |
|
Left rear seat heater
switch (S51/3) LEDs
Voltage supply |
9
9
|
|
12
20
|
Ignition: ON
S51/3: press stage I
S51/3: press stage II
S51/3: press stage I
S51/3: press stage II
|
0 - 1 V
8 - 13 V
8 - 13 V
0 - 1 V
8 - 13 V |
Wiring,
S51/3,
Rear HS control
module (N25/6).
|
| 7.0 |
|
Left rear seat heater
switch (S51/3) dimming
Voltage supply |
9
9
|
|
12
12
|
Ignition: ON
S51/3: press stage I
Parking lamps: ON
Parking lamps: OFF
S51/3: press stage II
Parking lamps: ON |
8 - 13 V
2.0 - 2.8 V
8 - 13 V
2.0 - 2.8 V |
Wiring,
S51/3,
N25/6 |
| 8.0 |
|
Right rear seat heater
switch (S51/4)
Voltage supply |
9
|
N25/6
|
11
|
Ignition: ON
S51/4:
Press and hold stage II
S51/4:
Press and hold stage I
|
6 - 8 V
0 - 1 V
2 - 4 V |
8.1,
Rear HS control
module (N25/6). |
| 8.1 |
|
S51/4
Resistance |
9
|
N25/6
|
11
|
Ignition: OFF
Disconnect test cable from N25/6.
S51/4:
Press and Hold stage II
S51/4:
Press and hold stage I
|
>20 k
0 - 2
approx. 165 |
Wiring,
S51/4 |
| 9.0 |
|
Right rear seat cushion heater
element (R13/7) and right rear backrest heater element (R13/8)
Voltage supply |
9
|
N25/6
|
2
|
Ignition: ON
S51/4: press stage II
S51/4: press stage I |
0 - 1 V
9 - 14 V
proper interval indicated on multimeter.
|
9.1,
N25/6 |
| 9.1 |
|
R13/7, R13/8
Resistance |
9
|
N25/6
|
2
|
Ignition: OFF
Disconnect test cable from N25/6. |
1.1 - 1 7
|
Wiring,
R13/7,
R13/8 |
| 10.0 |
|
Right rear seat heater switch
(S51/4) illumination
Voltage supply |
6
|
S51/4
|
5
|
Disconnect connector from S51/4.
Parking lamps: ON |
11 - 14 V
|
Wiring. |
| 11.0 |
|
Right rear seat heater switch
(S51/4) LEDs
Voltage supply |
9
9
|
|
5
10
|
Ignition: ON
S51/4: press stage I
S51/4: press stage II
S51/4: press stage I
S51/4: press stage II |
0 - 1 V
8 - 13 V
8 - 13 V
0 - 1 V
8 - 13 V
|
Wiring,
S51/4,
Rear HS control module (N25/6).
|
| 12.0 |
|
Right rear seat heater switch
(S51/4) dimming
Voltage supply |
9
9
|
|
5
10
|
Ignition: ON
S51/4: press stage I
Parking lamps: ON
Parking lamps: OFF
S51/4: press stage II
Parking lamps: ON |
0 - 1 V
8 - 13 V
2.0 - 2.8 V
8 - 13 V
2.0 - 2.8 V
|
Wiring,
S51/4,
Rear HS control module (N25/6).
|
Printable
version
