Diagnostic Manual, Body and Accessories,
Volume 6
Diagnosis - Function Test
| Test step/Test scope |
Test condition |
Nominal value |
Possible cause/Remedy 1)
Left SBE Right SBE |
| 1.0 Seat belt extender (SBE) system |
Open and close the doors.
Ignition: ON
Wait approx. 30 seconds.
|
Both seat belts extend.
Both seat belts retract. |
 23  1.0, 2.0, 23 1.0, 3.0,4.0, 6.0, 5.0, 10.0
23 8.0, 23 12.0 |
2.0 Seat belt buckle switch
(S68/1 or S68/2) |
Open and close doors.
Ignition: ON
Within 30 seconds connect seat belt latch tongue into buckle.
|
Both seat belts extend.
Both seat belts retract. |
23 1.0, 2.0, 23 1.0, 3.0, 4.0, 5.0
23 2.0 23 3.0 |
| 3.0 Seat belt extender |
Open and close doors.
Ignition: ON
Within 30 seconds turn ignition key to position "0".
|
Both seat belts extend.
Both seat belts retract. |
23 1.0 23 1.0
SBE control SBE control
module (N42) module (N42) |
| 4.0 Door switch (S17/3 or S17/4) |
Ignition: ON
Within 30 seconds open the left/right door.
Close the left/right door.
|
Seat belts extend.
Seat belts retract.
Seat belts extend. |
23 1.0, 4.0 23 1.0, 5.0 |
| 5.0 Force limit switch (A10s3 or A11s3) |
Open and close doors.
Ignition: ON
While the seat belt is extended, apply counterforce against and hold the extender arm with the palm of your hand. |
Both seat belt extenders protract.
Exxtender stops and immediately retracts (this will happen a maximum of 8 times, then the system will deactivate. 2)
|
23 1.0, 7.0, 23 1.0, 3.0
23 9.0, 23 13.0 |
1) Observe Preparation for Test, see 22.
2) To repower the seat belt extender system, cycle ignition key OFF/ON. |
|
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