 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value/
       |
Possible cause/Remedy |
| 1.0 |
     |
Circuit 15R voltage supply
Low /over voltage
HHT actual value |
|
|
|
Ignition key in position "2".
|
 |
1.1 |
| 1.1 |
|
SRS control module (N2/2)
Voltage supply |
6 
|
N2/2
|
 5
|
Remove ignition key.
Disconnect connector
on N2/2.
Connect
( 22, Figure 1).
Ignition key in position "1". |
11 - 14 V |
Wiring.
If values are OK:
N2/2 |
| 2.0 |
|
SRS control module (N2/2)
Diagnostic output
|
N2/2
6 |
|
x11/4
13 |
Remove ignition key.
Disconnect connector
on N2/2.
Connect
( 22, Figure 1). |
<1  |
Wiring |
| 3.0 |
 |
SRS MIL (A1e15)
HHT actual value |
|
|
|
Ignition key in position "2".
SRS MIL illuminates.
|
A1e15 goes out after approx.
4 - 20 seconds.
|
Wiring,
SRS MIL short circuit to positive,
SRS MIL short circuit to grnd. |
| 4.0 |
  |
Driver airbag squib (R12/3)
HHT actual value
|
|
|
|
Ignition key in position "2". |
|
4.1 |
| 4.1 |
|
Driver airbag squib (R12/3)
HHT actual value |
1 |
R12/3
|
2 |
Remove ignition key.
Remove airbag unit.
Disconnect connector on
R12/3.
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib,
4.2 |
| 4.2 |
|
Driver airbag squib (R12/3)
HHT actual value |
3 |
A45x1
|
4 |
Remove ignition key.
Disconnect connector on
horn/airbag clock spring
contact (A45).
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Check A45 for continuity,
4.3 |
| 4.3 |
|
Driver airbag squib (R12/3)
Resistance |
11 |
N2/2
 |
10 |
Remove ignition key.
Disconnect connector on
N2/2
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring. |
| 5.0 |
 |
Driver airbag squib (R12/3)
Short circuit test
  -
+
|
6
5 |
|
10
10 |
Remove ignition key.
Disconnect N2/2
connector.
Connect 
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 6.0 |
|
Not applicable to U.S.A.
version vehicles
|
|
|
|
|
|
|
| 7.0 |
|
Front passenger AB
squib 1 (R12/4)
HHT actual value |
|
|
|
Ignition key in position "2".
|
|
7.1 |
| 7.1 |
|
Front passenger AB
squib 1 (R12/4)
HHT actual value |
1 |
R12/4
|
2 |
Remove ignition key.
Remove glovebox insert.
Disconnect right front
passenger AB squib 1
(R12/4) connector.
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib.
7.2 |
| 7.2 |
|
Front passenger AB
squib 1 (R12/4)
Resistance |
14 |
N2/2
|
13 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring.
|
| 8.0 |
|
Driver airbag squib (R12/3)
Short circuit test
-
+
|
6
5 |
|
13
13 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 9.0 |
|
Not applicable to U.S.A.
version vehicles |
|
|
|
|
|
|
| 10.0 |
|
Left side airbag
squib 1 (R12/9)
HHT actual value |
|
|
|
Ignition key in position "2".
|
|
10.1 |
| 10.1 |
|
Left side airbag
squib 1 (R12/9)
HHT actual value |
E |
X35/1
|
D |
Remove ignition key.
Disconnect left front door
separation point (X35/1).
Disconnect right front
passenger AB squib 1
(R12/4) connector.
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Wiring,
Squib,
10.2 |
| 10.2 |
|
Left side airbag
squib 1 (R12/9)
HHT actual value |
1 |
R12/9
|
2 |
Remove ignition key.
Remove interior door trim
panel.
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib,
10.3
|
| 10.3 |
|
Left side airbag
squib 1 (R12/9)
Resistance |
17 |
N2/2
|
16 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring.
|
| 11.0 |
|
Left side airbag
squib 1 (R12/9)
Short circuit test
-
+ |
6
5 |
|
16
16 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 12.0 |
|
Right side airbag
squib 1 (R12/10)
HHT actual value |
|
|
|
Ignition key in position "2".
|
|
12.1 |
| 12.1 |
|
Right side airbag
squib 1 (R12/10)
HHT actual value |
E |
X35/2
|
D |
Remove ignition key.
Disconnect right front door
separation point (X35/2).
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Wiring,
Squib,
12.2 |
| 12.2 |
|
Right side airbag
squib 1 (R12/10)
HHT actual value |
1 |
R12/10
|
2 |
Remove ignition key.
Remove interior door trim
panel.
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib,
12.3
|
| 12.3 |
|
Right side airbag
squib 1 (R12/10)
Resistance |
19 |
N2/2
|
18 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring.
|
| 13.0 |
|
Right side airbag
squib 1 (R12/10)
Short circuit test
-
+
|
6
5 |
|
18
18 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 14.0 |
|
Driver ETR squib (R12/1)
HHT actual value |
|
|
|
Ignition key in position "2".
|
|
14.1 |
| 14.1 |
|
Driver ETR squib (R12/1)
HHT actual value |
1 |
R12/1
|
2 |
Remove ignition key.
Disconnect connector on
R12/1
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib,
14.2
|
| 14.2 |
|
Driver ETR squib (R12/1)
Resistance |
2 |
N2/2
|
1 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring.
|
| 15.0 |
|
Driver ETR squib (R12/1)
Short circuit test
-
+
|
6
5 |
|
1
1 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 16.0 |
 |
Front passenger ETR
squib (R12/2)
HHT actual value |
|
|
|
Ignition key in position "2".
|
|
16.1 |
| 16.1 |
|
Front passenger ETR
squib (R12/2)
HHT actual value |
1 |
R12/2
|
2 |
Remove ignition key.
Disconnect connector on
R12/2
Connect
( 22, Figure 2).
Set resistance of 2 .
Ignition key in position "2".
|
|
Squib,
16.2
|
| 16.2 |
|
Front passenger ETR
squib (R12/2)
Resistance |
4 |
N2/2
|
3 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
2 - 5 |
Wiring.
|
| 17.0 |
 |
Front passenger ETR
squib (R12/2)
Short circuit test
-
+
|
6
5 |
|
3
3 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 18.0 |
|
Left front seat belt buckle/belt lock switch (S68/7)
HHT actual value |
|
|
|
Ignition key in position "2".
Seat belt buckle not
latched:
Seat belt buckle latched:
|
 |
18.1
|
| 18.1 |
|
Left front seat belt buckle/belt
lock switch (S68/7)
Resistance |
2  |
S68/7x1
|
 A |
Disconnect connector.
Seat belt buckle not
latched:
Seat belt buckle latched:
|
80 - 210
320 - 480 |
S68/7
18.2 |
| 18.2 |
|
Left front seat belt buckle/belt
lock switch (S68/7)
Short circuit test
-
+
|
6
5 |
|
12
12 |
not connected.
Remove ignition key.
Left front seat belt
buckle/belt lock switch not
latched.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
80 - 210
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 19.0 |
|
Right front seat belt
buckle/belt lock
switch (S68/8)
HHT actual value |
|
|
|
Ignition key in position "2".
Seat belt buckle not
latched:
Seat belt buckle latched:
|
|
19.1
|
| 19.1 |
|
Right front seat belt
buckle/belt lock
switch (S68/8)
Resistance |
B |
S68/8x1
|
A |
Disconnect connector.
Seat belt buckle not
latched:
Seat belt buckle latched:
|
80 - 210
320 - 480 |
S68/8
19.2 |
| 19.2 |
|
Right front seat belt
buckle/belt lock
switch (S68/8)
Short circuit test
-
+
|
6
5 |
|
8
8 |
not connected.
Remove ignition key.
Right front seat belt
buckle/belt lock switch not
latched.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
80 - 210
>20 k |
Wiring,
Short to circuit 31, 30, 15, 15R. |
| 20.0 |
|
SRS control module (N2/2)
Left/right hand steering
coding
Model 163 as of 3/98, up to 12/99 |
6
(  ) |
|
N2/2
37 |
Remove ignition key.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
Left hand steering:
|
>20 k |
Wiring. |
| 21.0 |
|
Seat occupied
recognition (SOR)
HHT actual value
Model 163 as of 3/98, up to 12/99 |
|
|
|
Ignition key in position "2".
Person seated in front
passenger seat.
Front passenger seat not
occupied.
|
    
  
 |
Front passenger seat occupied
recognition with automatic child
seat recognition (ASCR) (B48) |
| 22.0 |
|
Automatic child seat
recognition (ACSR)
HHT actual value
Model 163 as of 3/98, up to 12/99 |
|
|
|
Ignition key in position "2".
Position MB child seat
"Babysafe" in forward
facing position, then wait
approx. 15 seconds.
Position MB child seat
"Babysafe" in backward
facing position, then wait
approx. 15 seconds.
SOR continues to be
active regardless if MB
Child seat "Babysafe" is
not used or recognized.
|
"  
"
 |
MB child seat "Babysafe" not
positioned in front passenger seat
correctly.
Child seat not approved or not
coded in SRS control module:
31
Fault in data line from front
passenger seat occupied
recognition with automatic child
seat recognition (ASCR) (B48) to
SRS control module (N2/2).
23 24.0,
B48 |
| 23.0 |
|
AIRBAG OFF indicator
lamp (A1e56)
HHT actual value
Model 163 as of 3/98, up to 12/99 |
|
|
|
Position approved and
version coded MB child
seat "Babysafe" in forward
(or rearward) facing
position,
Ignition key in position "2".
Then wait approx. 15
seconds. |
AIRBAG OFF
indicator
lamp (A1e56)
illuminates.
|
Wiring,
Indicator lamp:
Short to positve,
Short to ground.
|
| 24.0 |
|
Front passenger seat
occupied recognition with
automatic child seat
recogntion (ACSR) (B48)
Voltage supply
Model 163 as of 3/98, up to 12/99
|
4
|
B48x1
|
1
|
Disconnect connector.
Ignition key in position "1".
|
11 - 14 V |
Wiring.
If values are OK:
23 24.1 |
| 24.1 |
|
Front passenger seat
occupied recognition with
automatic child seat
recogntion (ACSR) (B48)
Short circuit test
+
-
|
B48x1
3
3 |
|
|
Remove igntion key.
Disconnect B48x1
connector.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
>20 k
>20 k |
Short circuit to positive,
Short circuit to ground.
If values are OK:
23 24.2 |
| 24.2 |
|
Front passenger seat
occupied recognition with
automatic child seat
recogntion (ACSR) (B48)
Data line
-//-
|
B48x1
3
|
|
N2/2
15 |
Remove igntion key.
Disconnect B48x1
connector.
Disconnect N2/2
connector.
Connect
( 22, Figure 1).
|
< 1 |
Wiring,
B48 |
Printable version
