Diagnostic Manual, Body and Accessories,
Volume 5.1
Electrical test program - Testing the seat belt tension reduction feature (driver, front passenger)
Test step
|
Scope of test |
Test equipment/
test connection
|
Test condition |
Nominal value |
Possible cause/remedy |
| 1.0 |
Voltage supply, seat belt latch switch
Driver, front passenger) S68/9, S68/10 |
1 
(B)
|
K18/4 and/or
K18/5
|
 2
(B)
|
Remove the B-pillar cover.
Unplug the connector for the seat belt tension reduction feature actuator at the seat belt automatic reel.
Ignition: ON
Seat belt not latched.
Seat belt latched. |
0 V
11-14 V |
Wiring
Seat belt latch (S68/9, S68/10) |
| 1.1 |
Actuator, seat belt tension reduction feature
driver (K18/4)
front passenger (K18/5) |
1 
(B)
|
K18/4 and/or
K18/5
|
 2
(B)
|
Remove the B-pillar cover.
Unplug the connector for the seat belt tension reduction feature actuator.
|
50-60  |
Defective seat belt automatic reel (91-0630) |
| 2.0 |
Voltage supply, seat belt latch switch 1)
Right, left rear seat
(S68/11, S68/12) |
1
|
K18/6 and/or
K18/7
|
' 2
|
Remove the B-pillar cover.
Unplug the connector for the seat belt tension reduction feature actuator at the seat belt automatic reel.
Ignition: ON
Seat belt not latched.
Seat belt latched.
|
0 V
11-14 V |
Wiring
Seat belt latch (S68/11, S68/12) |
| 2.1 |
Actuator, seat belt tension reduction feature 1)
Left rear seat (K18/6)
Right rear seat (K18/7) |
1
|
K18/6 and/or
K18/7
|
2
|
Unplug the connector for the seat belt tension reduction feature actuator.
|
50-60 |
Defective seat belt automatic reel (91-0630) |
| 1) Seat belt tension reduction feature in rear seat only with individual power seats or available with power seat back adjustment. |
|
Printable version
