1999 SUBARU FORESTER fuse chart

5. Diagnostics Chart with Trouble Code
A: TROUBLE CODES
1. LIST OF TROUBLE CODES
Trouble code/
Contents of troublesMemory function Contents of diagnosis Index No.
11 Provided.IAirbag main harness circuit is open, shorted or
shorted to ground.
IAirbag module harness (driver) circuit is open,
shorted or shorted to ground.
IRoll connector circuit is open, shorted or shorted
to ground.
IAirbag control module is faulty.
12 Provided.IAirbag main harness circuit is open, shorted or
shorted to ground.
IAirbag module harness (passenger) circuit is
open, shorted or shorted to ground.
IAirbag control module is faulty.
15 Provided.IAirbag main harness circuit (driver) is shorted to
power supply.
IAirbag module harness (driver) is shorted to
power supply.
IRoll connector is shorted to power supply.
IAirbag control module is faulty.
16 Provided.IAirbag main harness circuit (passenger) is
shorted to power supply.
IAirbag module harness (passenger) is shorted to
power supply.
IAirbag control module is faulty.
21 Provided. Airbag control module is faulty.
22 Provided. Front airbag module is inflated.
23 Not provided.(AB6), (AB17) and (AB18) are not connected prop-
erly to airbag control module.
24 Not provided.IAirbag control module is faulty.
IAirbag main harness circuit is open.
IFuse No. 11 (in joint box) is blown.
IBody harness circuit is open.
25 Provided.IAirbag control module is faulty.
IAirbag main harness circuit is open.
IFuse No. 6 (in joint box) is blown.
IBody harness circuit is open.
31 Provided.IFront sub sensor harness (RH) circuit is shorted.
IFront sub sensor harness (RH) circuit is open.
IFront sub sensor (RH) is faulty.
IAirbag control module is faulty.
32 Provided.IFront sub sensor harness (LH) circuit is shorted.
IFront sub sensor harness (LH) circuit is open.
IFront sub sensor (LH) is faulty.
IAirbag control module is faulty.
41 Provided.ISide airbag harness (RH) is faulty.
ISide airbag module (RH) is faulty.
IAirbag control module is faulty.
42 Provided.ISide airbag harness (LH) is faulty.
ISide airbag module (LH) is faulty.
IAirbag control module is faulty.
45 Provided.ISide airbag harness (RH) is faulty.
IAirbag control module is faulty.
15
[T5A1]5-5DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

Trouble code/
Contents of troublesMemory function Contents of diagnosis Index No.
46 Provided.ISide airbag harness (LH) is faulty.
IAirbag control module is faulty.
51 Provided.ISide airbag sensor (RH) is faulty.
ISide airbag harness (RH) is faulty.
IAirbag control module is faulty.
52 Provided.ISide airbag sensor (LH) is faulty.
ISide airbag harness (LH) is faulty.
IAirbag control module is faulty.
53 Provided. Side airbag sensor (RH) is faulty.
54 Provided. Side airbag sensor (LH) is faulty.
55 Provided. Side airbag module is inflated.
Airbag warning light remains
on.Not provided.IAirbag warning light is faulty.
IAirbag control module to airbag warning light
harness circuit is shorted or open.
IGrounding circuit is faulty.
IAirbag control module is faulty.
I(AB1) and (B31) are not connected properly.
I(AB6) is not connected properly to airbag control
module.
Airbag warning light remains
off.Not provided.IFuse No. 5 (in main fuse box) is blown.
IBody harness circuit is open.
IAirbag warning light is faulty.
IAirbag main harness is faulty.
IAirbag control module is faulty.
Warning light indicates
trouble code, then normal
code. (Flashing trouble
code.)Provided. Airbag system component parts are faulty.
Warning light indicates
trouble code, then normal
code. (Flashing normal
code.)Not provided.IAirbag connector is faulty.
IFuse No. 11 (in joint box) is blown.
IAirbag main harness is faulty.
IAirbag control module is faulty.
IBody harness is faulty.
2. HOW TO READ TROUBLE CODES
The AIRBAG warning light flashes a code corresponding to the faulty parts.
The long segment (1.2 sec on) indicates a ªtenº, and the short segment (0.3 sec on) indicates a ªoneº.
B5M0117A
16
5-5[T5A2]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

I: TROUBLE CODE 24
DIAGNOSIS:
IAirbag control module is faulty.
IAirbag main harness circuit is open.
IFuse No. 11 (in joint box) is blown.
IBody harness circuit is open.
CAUTION:
Before performing diagnostics on airbag
system, turn ignition switch ªOFFº, disconnect
battery ground cable and then wait at least 20
seconds.
After 20 seconds elapse, remove instrument
panel lower cover, and disconnect (AB3) and
(AB8), (AB9) and (AB10).
5I1 : AIRBAG CONTROL MODULE INSPEC-
TION
1) Disconnect connector (AB6) from airbag control
module , and connect it to
test harness I or I2 connector (1I).
2) Connect battery ground cable and turn ignition
switch ªONº (engine off).
3) Measure voltage across connector (2I) terminal
and chassis ground.
Connector & terminal
(2I) No. 3 (+) Ð Chassis ground (þ):
S5M0264B
:Is voltage more than 10 V?
: Replace airbag control module. 5-5 [W6A0].>
: Go to step5I2.5I2 : AIRBAG MAIN HARNESS INSPEC-
TION
1) Go to following procedure after performing
diagnostics on airbag system as per diagnosis pro-
cedure under ª5I1 AIRBAG CONTROL MODULE
INSPECTIONº previously out-
lined.
2) Turn ignition switch ªOFFº, disconnect battery
ground cable and then wait at least 20 seconds.
3) Disconnect connector (AB1) from body harness
connector (B31) located in front pillar lower (driver
side), and connect connector (AB1) to test harness
A connector (2A).
B5M0122B
4) Measure resistance between test harness A
connector (5A) and test harness I or I2 connector
(2I) terminals.
Connector & terminal
(5A) No. 9 Ð (2I) No. 3:
S5M0265B
:Is resistance less than 10W?
: Go to step5I3.
: Replace airbag main harness. 5-5 [W4A0].>
24
5-5[T5I0]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

5I3 : AIRBAG MAIN HARNESS INSPEC-
TION
Measure resistance between each terminal of con-
nectors (5A) and chassis ground.
Connector & terminal
(5A) No. 9 (+) Ð Chassis ground (þ):
S5M0266A
:Is resistance more than 10 kW?
: Go to step5I4.
: Replace airbag main harness. 5-5 [W4A0].>
5I4 : AIRBAG MAIN HARNESS INSPEC-
TION
Measure resistance between each terminal of con-
nectors (2I) and chassis ground.
Connector & terminal
(2I) No. 3 (+) Ð Chassis ground (þ):
S5M0267B
:Is resistance more than 10 kW?
: Go to step5I5.
: Replace airbag main harness. 5-5 [W4A0].>5I5 : FUSE NO. 11 (IN JOINT BOX) INSPEC-
TION
Make sure ignition switch is turned ªOFFº, then
remove and visually check fuse No. 11 (in joint
box).
S5M0257B
:Is fuse No. 11 blown?
: Replace fuse No. 11. If fuse No. 11
blows again, repair body harness.
: Repair body harness.
25
[T5I5]5-5DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

J: TROUBLE CODE 25
DIAGNOSIS:
IAirbag control module is faulty.
IAirbag main harness circuit is open.
IFuse No. 6 (in joint box) is blown.
IBody harness circuit is open.
CAUTION:
Before performing diagnostics on airbag
system, turn ignition switch ªOFFº, disconnect
battery ground cable and then wait at least 20
seconds.
After 20 seconds elapse, remove instrument
panel lower cover, and disconnect (AB3) and
(AB8), (AB9) and (AB10).
5J1 : AIRBAG CONTROL MODULE
INSPECTION
1) Disconnect connector (AB6) from airbag control
module and connect it to test
harness I or I2 connector (1I).
2) Connect battery ground cable and turn ignition
switch ªONº. (engine off)
3) Measure voltage across connector (2I) terminal
and chassis ground.
Connector & terminal
(2I) No. 6 (+) Ð Chassis ground (þ):
S5M0253B
:Is voltage more than 10 V?
: Replace airbag control module. 5-5 [W6A0].>
: Go to step5J2.5J2 : AIRBAG MAIN HARNESS INSPEC-
TION
1) Go to following procedure after performing
diagnostics on airbag system as per diagnosis pro-
cedure under ª5J1 AIRBAG CONTROL MODULE
INSPECTIONº previously
outlined.
2) Turn ignition switch ªOFFº, disconnect battery
ground terminal and then wait at least 20 seconds.
3) Disconnect body harness connector (B31) from
connector (AB1) located in front pillar lower (driver
side), and connect connector (AB1) to test harness
A connector (2A).
B5M0122B
4) Measure resistance between test harness A
connector (5A) terminal and test harness I or I2
connector (2I) terminal.
Connector & terminal
(5A) No. 1 Ð (2I) No. 6:
S5M0254B
:Is resistance less than 10W?
: Go to step5J3.
: Replace airbag main harness. 5-5 [W4A0].>
26
5-5[T5J0]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

5J3 : AIRBAG MAIN HARNESS INSPEC-
TION
Measure resistance between (5A) connector termi-
nal and chassis ground.
Connector & terminal
(5A) No. 1 (+) Ð Chassis ground (þ):
S5M0255A
:Is resistance more than 10 kW?
: Go to step5J4.
: Replace airbag main harness. 5-5 [W4A0].>
5J4 : AIRBAG MAIN HARNESS INSPEC-
TION
Measure resistance between (2I) connector termi-
nal and chassis ground.
Connector & terminal
(2I) No. 6 (+) Ð Chassis ground (þ):
S5M0256B
:Is resistance more than 10 kW?
: Go to step5J5.
: Replace airbag main harness. 5-5 [W4A0].>5J5 : FUSE NO. 6 (IN JOINT BOX) INSPEC-
TION
1) Turn ignition switch ªOFFº.
2) Remove and visually check fuse No. 6 (in joint
box).
S5M0257A
:Is fuse No. 6 blown?
: Replace fuse No. 6 if fuse No. 6 blows
again, repair body harness.
: Repair body harness.
27
[T5J5]5-5DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

5V8 : INSPECTION OF AIRBAG MAIN HAR-
NESS
1) Connect connectors (AB1) and (B31). Discon-
nect connector (AB6) from airbag control module
, and connect it to test har-
ness I or I2 connector (1I).
2) Measure resistance between each test harness
I or I2 connector (2I) terminal and chassis ground.
Connector & terminal
(2I) No. 9 (+) Ð Chassis ground (þ):
S5M0271B
:Is resistance less than 10W?
: Go to step5V9.
: Replace airbag main harness. 5-5 [W4A0].>
5V9 : INSPECTION OF AIRBAG MAIN HAR-
NESS
Measure resistance between each test harness I
or I2 connector (2I) terminal and chassis ground.
Connector & terminal
(2I) No. 10 (+) Ð Chassis ground (þ):
S5M0272B
:Is resistance less than 10W?
: Replace airbag control module. 5-5 [W6A0].>
: Replace airbag main harness. 5-5 [W4A0].>
W: AIRBAG WARNING LIGHT
REMAINS OFF.
DIAGNOSIS:
IFuse No. 5 (in main fuse box) is blown.
IBody harness circuit is open.
IAirbag warning light is faulty.
IAirbag main harness is faulty.
IAirbag control module is faulty.
CAUTION:
Before performing diagnostics on airbag
system, turn ignition switch ªOFFº, disconnect
battery ground terminal, and then wait at least
20 seconds.
5W1 : FUSE NO. 5 (IN MAIN FUSE BOX)
INSPECTION
Remove and visually check fuse No. 5 (In main
fuse box).
S5M0273A
:Is fuse No. 5 blown?
: Replace fuse No. 5. If fuse No. 5 blows
again, Go to step5W2.
: Go to step5W2.
5W2 : BODY HARNESS INSPECTION
Turn ignition switch ªONº (engine off) to make sure
other warning lights (in combination meter) illumi-
nate.
:Do all the warning lights (in combina-
tion meter) except airbag warning
light come on?
: Go to step5W3.
: Repair body harness.
58
5-5[T5V8]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code

X: WARNING LIGHT INDICATES
TROUBLE CODE, THEN NORMAL
CODE. (FLASHING TROUBLE
CODE.)
DIAGNOSIS:
Airbag system component parts are faulty.
CAUTION:
Before performing diagnostics on airbag
system, turn ignition switch ªOFFº, disconnect
battery ground cable, and then wait at least 20
seconds.5X1 : AIRBAG COMPONENT PARTS
APPEARANCE INSPECTION
1) Conduct on-board diagnostic and call up
trouble codes stored in memory. [T4B0].>
2) Select trouble code required to check airbag
component parts from those listed in table and
reproduce symptom.
Trouble codes Check parts Index. No.
11IRoll connector
IAirbag module (Driver)
IAirbag main harness
IAirbag control module



12IAirbag module (Passenger)
IAirbag main harness
IAirbag control module


15IAirbag module (Driver)
IRoll connector
IAirbag main harness
IAirbag control module



16IAirbag main harness
IAirbag module (Passenger)
IAirbag control module


21 Airbag control module
22 Airbag control module
25IFuse No. 6
IAirbag main harness
IAirbag control module
IBody harness



26 Side airbag module (LH) in front seat
31IAirbag main harness
IFront sub sensor and front sub sensor harness (RH)

32IAirbag main harness
IFront sub sensor and front sub sensor harness (LH)

41 Side airbag module (RH) in front seat
42 Side airbag module (LH) in front seat
45IAirbag control module
ISide airbag module (RH) in front seat

46IAirbag control module
ISide airbag module (LH) in front seat

51ISide airbag sensor (RH)
IAirbag control module

52ISide airbag sensor (LH)
IAirbag control module

53 Side airbag sensor (RH)
54 Side airbag sensor (LH)
55 Side airbag module in front seat
60
5-5[T5X0]DIAGNOSTICS
5. Diagnostics Chart with Trouble Code