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Volume 6

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LOCATION:    18 Seat Belt Extender   >   23 Electrical Test Program - Test


Electrical Test Program - Test

Test scope
Test connection
Test condition Nominal value Possible cause/Remedy
1.0   SBE control module (N42)
Voltage supply, circuit 30

16
(1)
N42

13
(1)
Disconnect connector (1) on SBE control module (N42).
11 - 14 V Wiring.
    Voltage supply, circuit 15R

16
(1)
N42

11
(1)
Ignition: ON
Disconnect connector (1) on SBE control module (N42).
11 - 14 V Wiring.
2.0   Left front seat belt buckle switch (S68/1)
Voltaage supply

9
(1)
N42

13
(1)
Disconnect connector (1) on SBE control module (N42).

Connect seat belt tongue to buckle.

11 - 14 V



< 1 V
Wiring,
Left front seat belt buckle switch (S68/1).
3.0   Right front seat belt buckle switch (S68/2)
Voltaage supply

8
(1)
N42

13
(1)
Disconnect connector (1) on SBE control module (N42).

Connect seat belt tongue to buckle.

11 - 14 V



< 1 V
Wiring,
Right front seat belt buckle switch (S68/2).
4.0   Left door switch (S17/3)
Voltage supply

15
(1)
N42

13
(1)
Disconnect connector (1) on SBE control module (N42).
Left door:
Open
Closed





< 1 V
11 - 14 V
Wiring,
Left door switch (S17/3).
5.0   Right door switch (S17/4)
Voltage supply

10
(1)
N42

13
(1)
Disconnect connector (1) on SBE control module (N42).
Right door:
Open
Closed





< 1 V
11 - 14 V
Wiring,
Right door switch (S17/4).
6.0   Left SBE motor (A10m1)
Resistance

1
(1)
N42

2
(1)
Disconnect connector (1) on SBE control module (N42).
1.2 - 3.0 Wiring,
Left SBE motor (A10m1).
7.0   Left extender arm "retracted" switch (A10s1)
Resistance

16
(1)
N42

5
(1)
Seat belt extender arm retracted. < 1 Wiring,
Left extender arm "retracted" switch (A10s1).
8.0   Left extender arm "extended" switch (A10s2)
Resistance

16
(1)
N42

6
(1)
Seat belt extender arm extended.

Pull on extender arm.
> 20 k


< 1
Wiring,
Left extender arm "extended" switch (A10s2).
9.0   Force limit switch (A10s3)
Open and close the door.
Ignition: ON

While the seat belt is being extended, apply counter-force aagainst the extender arm with the palm of your hand.
Seat belt extends.


Seat belt immediately retracts.
Wiring,
Extender arm binding,
Force limit switch (A10s3).
10.0   Right SBE motor (A11m1)
Resistance

1
(2)
N42

2
(2)
Disconnect connector (2) on SBE control module (N42).
1.2 - 3.0 Wiring,
Right SBE motor (A11m1).
11.0   Right extender arm "retracted" switch (A11s1)
Resistance

7
(2)
N42

5
(2)
Seat belt extender arm retracted. < 1 Wiring,
Right extender arm "retracted" switch (A11s1).
12.0   Right extender arm "extended" switch (A11s2)
Resistance

7
(2)
N42

6
(2)
Seat belt extender arm extended.

Pull on extender arm.
> 20 k


< 1
Wiring,
Right extender arm "extended" switch (A11s2).
13.0   Force limit switch (A11s3)
Open and close the door.
Ignition: ON

While the seat belt is being extended, apply counter-force aagainst the extender arm with the palm of your hand.
Seat belt extends.


Seat belt immediately retracts.
Wiring,
Extender arm binding,
Force limit switch (A11s3).