SsangYong Musso. Manual - part 545

8B-10  SUPPLEMENTAL RESTRAINT SYSTEM(SRS)

1. Position the ignition switch to ‘OFF’.

2. Connect the harness connector of scanner to the diagnosis

socket in engine compartment.

3. Turn the ignition switch to ‘ON’ position.

4. Select “Electronic control vehicle diagnosis” from function

selection display and press ‘Enter’.

5. Select “Musso (’98 model year)” from vehicle model

selection display and press ‘Enter’.

6. Select “Electronic air bag” from control system selection

display and press ‘Enter’.

7. Select “Self-diagnosis” from diagnosis item selection display.

Notice

Check sensor value of output display, if necessary.

8. Determine the fault code and trace defective component.

Notice

Refer to self-diagnosis list.

SELF DIAGNOSIS

SUPPLEMENTAL RESTRAINT SYSTEM(SRS)  8B-11

Self-Diagnosis List

Fault

Code

Defects

Service Hint

01

Driver’s squib (+) side No. 1

!

Short of (+) side No. 1 in the driver’s squib circuit.

!

Check connection of connector.

!

Check the ECU.

Appli-

cation

02

Driver’s squib (+) side No. 2

!

Short of (+) side No. 2 in the driver’s squib circuit.

!

Check connection of connector.

!

Check the ECU.

X

03

Driver’s squib (+) side No. 3

!

Short of (+) side No. 3 in the driver’s squib circuit.

!

Check connection of connector.

!

Check the ECU.

X

04

Driver’s squib (+) side No. 4

!

Short of (+) side No. 4 in the driver’s squib circuit.

!

Check connection of connector.

!

Check the ECU.

X

05

Driver’s squib ground (-) side No. 1

!

Short of ground side No. 1 in the driver’s squib
circuit.

!

Check and replace the ECU.

06

Driver’s squib ground (-) side No. 2

!

Short of ground side No. 2 in the driver’s squib
circuit.

!

Check and replace the ECU.

X

07

Driver’s squib ground (-) side No. 3

!

Short of ground side No. 3 in the driver’s squib
circuit.

!

Check and replace the ECU.

X

08

Driver’s squib ground (-) side No. 4

!

Short of ground side No. 4 in the driver’s squib
circuit.

!

Check and replace the ECU.

X

09

Energy shutdown switch No. 1

!

Air bag control unit internal defects.

!

Check and replace the ECU.

10

Energy shutdown switch No. 2

!

Air bag control unit internal defects.

!

Check and replace the ECU.

X

11

Energy shutdown switch No. 3

!

Air bag control unit internal defects.

!

Check and replace the ECU.

X

12

Energy shutdown switch No. 4

!

Air bag control unit internal defects.

!

Check and replace the ECU.

X

13

Ignition switch wire No. 1

!

Air bag control unit internal defects.

!

Check and replace the ECU.

14

Ignition switch wire No. 2

!

Air bag control unit internal defects.

!

Check and replace the ECU.

X

15

Ignition switch wire No. 3

!

Air bag control unit internal defects.

!

Check and replace the ECU.

X

16

Ignition switch wire No. 4

X

!

Air bag control unit internal defects.

!

Check and replace the ECU.

8B-12  SUPPLEMENTAL RESTRAINT SYSTEM(SRS)

Fault

Code

Defects

Service Hint

Appli-

cation

17

Squib No. 1 resistance

18

Squib No. 2 resistance

X

19

Squib No. 3 resistance

X

20

Squib No. 4 resistance

X

21

Squib No. 1 resistance

22

Squib No. 2 resistance

X

!

Driver’s squib resistance is higher than standard
(4.5±0.5W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Driver’s squib resistance is higher than standard
(4.5±0.5W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Driver’s squib resistance is higher than standard
(4.5±0.5W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Driver’s squib resistance is higher than standard
(4.5±0.5W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Driver’s squib resistance is lower than standard
(1.4±0.3W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Driver’s squib resistance is lower than standard
(1.4±0.3W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

23

Squib No. 3 resistance

X

!

Driver’s squib resistance is lower than standard
(1.4±0.3W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

SUPPLEMENTAL RESTRAINT SYSTEM(SRS)  8B-13

Fault

Code

Defects

Service Hint

Appli-

cation

24

Squib No. 4 resistance

X

25

Energy reserve No. 1 voltage

26

Energy reserve No. 2 voltage

X

27

Energy reserve No. 3 voltage

X

28

Energy reserve No. 4 voltage

X

29

Energy reserve No. 5 voltage

30

Energy reserve No. 6 voltage

31

Energy reserve No. 1 current off
capacity

32

Energy reserve No. 2 current off
capacity

X

33

Energy reserve No. 3 current off
capacity

X

34

Energy reserve No. 4 current off
capacity

X

35

Energy reserve No. 5 current off
capacity

36

Condensor voltage

37

Collision times checksum

!

Driver’s squib resistance is lower than standard
(1.4±0.3W).

!

Check related circuits for open/short.

!

Check connection of connector.

!

Check the ECU.

!

Replace the squib wire.

!

Plus side short : 7k, ground side short : 6kW.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

41

Major USA

!

Air bag control unit internal defects.

!

Check and replace the ECU.

38

Driver’s acceleration sensor

39

Driver’s acceleration sensor off-set

40

Arming sensor

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.

!

Air bag control unit internal defects.

!

Check and replace the ECU.