 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy
|
| 1.0 |
Fore/aft switch
group (S91/2s1, S92/2s1) with memory
Resistance
|
5 
(5) |
N69/1
N69/2
|
 3
(5) |
Disconnect connector (5) from N69/1 or N69/2.
S91/2s1 or S92/2s1:
Pressed forward
S91/2s1 or S92/2s1:
Pressed aft |
approx. 43 
approx. 16
|
Wiring,
S91/2 or S92/2
|
| 2.0 |
Fore/aft motor (M27m1 or M28m1)
Voltage supply |
2 
(5)
|
N32/1
N32/2
|
 1
(5)
|
Connector 1 on N32/1, N32/2 connected.
Backrest to vertical position.
Connector 5 disconnected from N32/1, N32/2
Fore/aft switch (S91/2s1, S92/2s1) pressed forward.
Fore/aft switch (S91/2s1, S92/2s1) pressed aft. |
< 1 V
11 - 14 V for approx. 1 sec.
-11 to -14 V for approx. 1 sec.
|
Wiring,
N32/1, N32/2
|
| |
Hall-sensor
Voltage supply
|
5
(5)
|
N32/1
N32/2
|
6
(5) |
|
11 - 14 V |
N32/1, N32/2 |
| |
Hall-sensor
|
5
(5)
|
N32/1
N32/2
|
6
(5) |
Connector 5 connected to N32/1, N32/2. Take reading at socket with connector 5 connected. |
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
M27m1 or M28m1 |
| 3.0 |
Fore/aft motor (M27m1 or M28m1) |
1
(5)
2
(5)
|
N32/1
N32/2
|
2
(1)
11
(1) |
Disconnect connectors 1 and 5 from N32/1 or N32/2.
 CAUTION!
Injury hazard due to crushing!
Bridge sockets 1 and 2 with fused jumper wire
124 589 37 63 00
|
Motor (M27m1, M28m1) runs. |
Wiring,
M27m1 or M28m1
|
| 4.0 |
Front raise/lower switch (S91/2s3, S92/2s3)
Resistance |
7
(5) |
N69/1
N69/2
|
5
(5) |
Disconnect connector (5) from N69/1, N69/2.
S91/2s3 or S92/2s3:
Press raise
S91/2s3 or S92/2s3:
Press lower
|
approx. 43
approx.16 |
Wiring,
S91/2 or S92/2
|
| 5.0 |
Front raise/lower motor (M27m3)
Voltage supply |
2
(6)
|
N32/1
N32/2
|
1
(6)
|
Connector 1 on N32/1, N32/2 connected.
Connector 6 disconnected from N32/1, N32/2
Raise/lower switch (S91/2s3, S92/2s3) press raise
Raise/lower switch (S91/2s3, S92/2s3) press lower |
< 1 V
11 - 14 V for approx. 1 sec.
-11 to -14 V for approx. 1 sec.
|
Wiring,
N32/1, N32/2
|
| |
Hall-sensor
Voltage supply
|
5
(6)
|
N32/1
N32/2
|
6
(6) |
|
11 - 14 V |
N32/1, N32/2 |
| |
Hall-sensor
|
5
(6)
|
N32/1
N32/2
|
6
(6) |
Connector 6 connected to N32/1, N32/2. Take reading at socket with connector 6 connected. |
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
M27m3 or M28m3 |
| 6.0 |
Front raise/lower motor (M27m3 or M28m3) |
3
(1)
11
(1)
|
N32/1
N32/2
|
1
(6)
2
(6) |
Disconnect connectors 1 and 6 from N32/1 or N32/2
CAUTION!
Injury hazard due to crushing!
Bridge sockets 3 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m3, M28m3) runs. |
Wiring,
M27m3, M28m3
|
| 7.0 |
Rear raise/lower switch (S91/2s2, S92/2s2)
Resistance |
3
(5) |
N69/1
N69/2
|
5
(5) |
Disconnect connector (5) from N69/1, N69/2
S91/2s2 or S92/2s2:
Press raise
S91/2s2 or S92/2s2:
Press lower
|
approx. 169
approx. 75
|
Wiring,
S91/2 or S92/2
|
| 8.0 |
Raise/lower motor
(M27m2 or M28m2)
Voltage supply |
2
(4)
|
N32/1
N32/2
|
1
(4)
|
Connector 1 on N32/1, N32/2 connected.
Connector 4 disconnected from N32/1, N32/2
Raise/lower switch (S91/2s3, S92/2s3) pressed to raise.
Raise/lower switch (S91/2s3, S92/2s3) pressed to lower. |
< 1 V
11 - 14 V for approx. 1 sec.
-11 to - 14 V for approx. 1 sec.
|
Wiring,
N32/1, N32/2
|
| |
Hall-sensor
Voltage supply
|
5
(4)
|
N32/1
N32/2
|
6
(4) |
|
11 - 14 V |
N32/1, N32/2 |
| |
Hall-sensor
|
5
(4)
|
N32/1
N32/2
|
6
(4) |
Connector 4 connected to N32/1, N32/2. Take reading at socket with connector 4 connected. |
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
M27m2, M28m2 |
| 9.0 |
Front raise/lower motor (M27m2 or M28m2) |
1
(4)
2
(4)
|
N32/1
N32/2
|
3
(1)
11
(1) |
Disconnect connectors 1 and 4 from N32/1 or N32/2
CAUTION!
Injury hazard due to crushing!
Bridge sockets 3 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m2, M28m2) runs. |
Wiring,
M27m2 or M28m2
|
| 10.0 |
Backrest/fore (S91/2s5, S92/2s5)
Resistance |
6
(5) |
N69/1
N69/2
|
5
(5) |
Disconnect connector (5) from N69/1, N69/2
S91/2s5 or S92/2s5:
Pressed foreward
S91/2s5 or S92/2s5:
Pressed aft
|
approx. 43
approx. 16
|
Wiring,
S91/2 or S92/2
|
| 11.0 |
Fore/aft motor (M27m5 or M28m5)
Voltage supply |
2
(7)
|
N32/1
N32/2
|
1
(7)
|
Connector 1 on N32/1, N32/2 connected.
Connector 7 disconnected from N32/1, N32/2.
Fore/aft switch (S91/2s5, S92/2s5) pressed forward.
Fore/aft switch (S91/2s5, S92/2s5) pressed aft. |
< 1 V
11 - 14 V for approx. 1 sec.
- 11 to -14 V for approx. 1 sec.
|
Wiring,
N32/1, N32/2
|
| |
Hall-sensor
Voltage supply
|
5
(7)
|
N32/1
N32/2
|
6
(7) |
|
11 - 14 V |
N32/1, N32/2 |
| |
Hall-sensor
|
5
(7)
|
N32/1
N32/2
|
6
(7) |
Connector 7 connected to N32/1, N32/2. Take reading at socket with connector 7 connected. |
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
M27m5 or M28m5 |
| 12.0 |
Backrest fore/aft motor (M27m5 or M28m5) |
4
(7)
2
(7)
|
N32/1
N32/2
|
3
(1)
11
(1) |
Disconnect connectors 1 and 7 from N32/1 or N32/2.
Backrest to verical position.
CAUTION!
Injury hazard due to crushing!
Bridge sockets 4 and 3 with fused jumper wire
124 589 37 63 00
|
Motor (M27m5, M28m5) runs. |
Wiring,
M27m5 or M28m5
|
| 13.0 |
Front raise/lower switch (S91/2s4, S92/2s4)
Resistance |
5
(5) |
N69/1
N69/2
|
7
(5) |
Disconnect connector (5) from N69/1, N69/2.
S91/2s4 or S92/2s4:
Pressed raise
S91/2s4 or S92/2s4:
Pressed lower
|
approx. 170
approx.75 |
Wiring,
S91/2 or S92/2
|
| 14.0 |
Head restraint raise/lower motor (M27m4 or M28m4)
Voltage supply |
1
(7)
|
N32/1
N32/2
|
4
(7)
|
Connector 1 on N32/1, N32/2 connected.
Connector (7) disconnected from N32/1, N32/2.
Raise/lower switch (S91/2s4, S92/2s4) press to raise.
Raise/lower switch (S91/2s4, S92/2s4) press to lower. |
< 1 V
- 11 to - 14 V for approx. 1 sec.
11 - 14 V for approx. 1 sec.
|
Wiring,
S91/2, S92/2,
N32/1, N32/2
|
| |
Hall-sensor
Voltage supply
|
5
(7)
|
N32/1
N32/2
|
3
(7) |
|
11 - 14 V |
N32/1, N32/2 |
| |
Hall-sensor
|
2
(7)
|
N32/1
N32/2
|
3
(7) |
Connector 7 connected to N32/1, N32/2. Take reading at socket with connector 7 connected. |
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
M27m4 or M28m4 |
| 15.0 |
Head restraint raise/lower motor
(M27m4 or M28m4) |
1
(7)
4
(7)
|
N32/1
N32/2
|
3
(1)
11
(1) |
Disconnect connector (1 and 7) from N32/1 or N32/2.
CAUTION!
Injury hazard due to crushing!
Bridge sockets 1 and 3 with fused jumper wire
124 589 37 63 00
|
Motor (M27m4, M28m4) runs. |
Wiring,
M27m4 or M28m4
|
| 16.0 |
Backrest unlocking
(M27m8 or M28m8)
(Motor)
(Model 208 only) |
5
(8) |
N32/1
N32/2
|
1
(8) |
Ignition: OFF.
Backrest locked in upright position,
Take reading at connector
S91/3:
Activated
S91/3:
Not activated
|
11 - 14 V for
approx. 4 secs.
< 1V |
Wiring,
19.0
M27m8 or M28m8
|
| 17.0 |
Left front door ESA switch group (S91/2, S92/2)
Resistance |
3
|
N69/1
N69/2
|
5
|
Disconnect connector (5) from N69/1, N69/2.
Button 1:
Rest position
Press button: |
> 20K
approx. 330 |
Wiring,
S91/2 or S92/2
|
| |
|
7
|
N69/1
N69/2
|
5
|
Button 2:
Rest position
Press button: |
> 20K
approx. 330 |
|
| |
|
6
|
N69/1
N69/2
|
5
|
Button 3:
Rest position
Press button: |
> 20K
approx. 169 |
|
| |
|
6
|
N69/1
N69/2
|
5
|
Green button:
Rest position
Press button:
|
> 20K
approx. 330 |
|
| 18.0 |
Left/right front door ESA switch group with memory
(S91/2, S92/2)
Voltage supply |
5
(5)
|
N69/1
N69/2
|
1 (5)
|
Parking lights: ON |
9 - 13 V |
N69/1, N69/2
|
| 19.0 |
Left front seatback release microswitch
(S91/3, S92/3)
(Model 208 up to 6/98 only) |
2
(8) |
N32/1
N32/2
|
6
(8) |
Disconnect connector 1 from N32/1, N32/2
Backrest:
Locked
Unlocked
|
> 20 K
< 1 K |
Wiring,
S91/3, S92/3
|
| 20.0 |
Left/right front seatback release microswitch
(S91/3, S92/3) with
left/right front hibernation microswitch (S91/1s2, S92/1s2)
Resistance test of switching circuit
(Model 208 as of 06/98 only)
|
2
(8) |
N32/1
N32/2
|
6
(8) |
Ignition: OFF
Disconnect connector 1 from N32/1, N32/2
Backrest:
Vertical (locked)
Pull on unlock lever of seatback, seatback remains in vertical position.
|
> 20 K
< 1 K |
Wiring,
S91/3, S92/3
If values are OK;
20.1
|
| 20.1 |
Left/right front seatback release microswitch
(S91/3, S92/3) with
left/right front hibernation microswitch (S91/1s2, S92/1s2)
Resistance test of switching circuit
|
2
(8)
|
N69/1
N69/2
|
6 (8)
|
Ignition: OFF
Tilt backrest forward approx. 20 degrees. |
< 1 |
S91/1s2, S92/1s2
|
| 21.0 |
Left/right front seatback inclination microswitch
(S91/1, S92/1)
(Model 208 only) |
1
(9) |
N32/1
N32/2
|
2
(9) |
Disconnect connector 1 from N32/1, N32/2
Backrest:
Locked (vertical):
Tilted forward:
|
> 20 K
< 1 K |
Wiring,
S91/1, S92/1
|
Printable version
