Page 12 of 345
![SUBARU FORESTER 1999 Service Repair Manual 4D3 : CHECK AIRBAG WARNING LIGHT
ILLUMINATES.
1) Turn ignition switch to OFF. Disconnect battery
ground cable, and wait 20 seconds.
2) Remove glove box <Ref. to 5-4 [W1A0].> and
disconnect passengers SUBARU FORESTER 1999 Service Repair Manual 4D3 : CHECK AIRBAG WARNING LIGHT
ILLUMINATES.
1) Turn ignition switch to OFF. Disconnect battery
ground cable, and wait 20 seconds.
2) Remove glove box <Ref. to 5-4 [W1A0].> and
disconnect passengers](/manual-img/17/57427/w960_57427-11.png)
4D3 : CHECK AIRBAG WARNING LIGHT
ILLUMINATES.
1) Turn ignition switch to OFF. Disconnect battery
ground cable, and wait 20 seconds.
2) Remove glove box and
disconnect passenger's airbag module connector
(AB9) to (AB10).
3) Connect test harness F connector (1F) to
(AB9).
4) Connect airbag resistor to test harness F con-
nector (3F).
S5M0249A
5) Connect battery ground cable and turn ignition
switch to ON.
6) Check airbag warning light illuminates.
NOTE:
In some cases the airbag warning light will go OFF
after about 7 seconds but will turn ON again within
30 seconds. In this case continue diagnostics with
the basic diagnostics procedures or trouble code
procedures.
:Does airbag warning light go off after
about 7 seconds and remain off for
more than 30 seconds?
: Replace with a new passenger's airbag
module. Go to
step4D6.
: Perform diagnostics and repair accord-
ing to indicated trouble code.
5-5 [T5A0].>4D4 : CHECK AIRBAG WARNING LIGHT
ILLUMINATES.
1) Turn ignition switch to ªOFFº. Disconnect bat-
tery ground cable, and wait 20 seconds.
2) Connect connector (AB8) to (AB3).
3) Remove driver's airbag module and connect
test harness F connector (1F) to (AB7).
5-5 [W3A1].>
4) Connect airbag resistor to test harness F con-
nector (3F).
S5M0251A
5) Connect battery ground cable and turn ignition
switch to ON.
6) Check airbag warning light illuminates.
NOTE:
In some cases the airbag warning light will go OFF
after about 7 seconds but will turn ON again within
30 seconds. In this case continue diagnostics with
the basic diagnostics procedures or trouble code
procedures.
:Does airbag warning light go off after
about 7 seconds and remain off for
more than 30 seconds?
: Replace with a new driver's airbag mod-
ule. Go to step
4D6.
: Go to step4D5.
13
[T4D4]5-5DIAGNOSTICS
4. Diagnostics Chart for On-board Diagnostic System
Page 18 of 345

C: TROUBLE CODE 12
DIAGNOSIS:
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.
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).
5C1 : AIRBAG MAIN HARNESS INSPEC-
TION
1) Remove glove box.
2) Disconnect connector (AB9) and (AB10)
to 5-5 [W3A2].> and connect connector (AB9) to
test harness F connector (1F).
3) Disconnect connector (AB6)
[W6A0].> from airbag control module, and connect
it to test harness I or I2 connector (1I) terminal.
4) Measure resistance between test harness I or
I2 connector (2I) and test harness F connector (3F)
terminals.
Connector & terminal
(2I) No. 2 Ð (3F) No. 3:
S5M0262B
:Is resistance less than 10W?
: Go to step5C2.
: Replace airbag main harness.
5-5 [W4A0].>5C2 : AIRBAG MAIN HARNESS INSPEC-
TION
Measure resistance between test harness I or I2
connector (2I) and test harness F connector (3F)
terminals.
Connector & terminal
(2I) No. 5 Ð (3F) No. 4:
S5M0263B
:Is resistance less than 10W?
: Go to step5C3.
: Replace airbag main harness.
5-5 [W4A0].>
5C3 : AIRBAG MAIN HARNESS INSPEC-
TION
1) Disconnect connector (AB6) from airbag control
module , and connect it to
test harness I or I2 connector (1I).
2) Measure resistance between test harness I or
I2 connector (2I) terminal.
Connector & terminal
(2I) No. 2 Ð No. 5:
S5M0252B
:Is resistance more than 10 kW?
: Go to step5C4.
: Replace airbag main harness.
5-5 [W4A0].>
19
[T5C3]5-5DIAGNOSTICS
5. Diagnostics Chart with Trouble Code
Page 267 of 345
1. Instrument Panel
S5M0377A
(1) Pad & frame
(2) Grille side (D)
(3) Front def. grille
(4) Grille side (P)
(5) Grille vent (P)
(6) Glove box panel
(7) Glove box lid
(8) Knob
(9) Instrument panel center console
(10) BRKT (Radio)
(11) Center console cover(12) Pocket
(13) Panel center
(14) Center pocket lid
(15) Grille center
(16) Cup holder
(17) Side pocket
(18) Lower cover ASSY
(19) Meter visor
(20) Grille vent (D)
(21) Console cover
(22) Console lid(23) Rear cup holder
(24) Console box
(25) Console pocket
(26) Rear console BRKT
(27) Front cover
Tightening torque: N´m (kg-m, ft-lb)
T:
7±1 (0.7±0.1, 5.1±0.7)
2
5-4[C100]COMPONENT PARTS
1. Instrument Panel
Page 268 of 345
1. Instrument Panel
A: REMOVAL
Airbag system wiring harness is routed near com-
bination meter.
CAUTION:
IAll airbag system wiring harness and con-
nectors are yellow. Do not use electrical test
equipment on these circuits.
IBe careful not to damage airbag system wir-
ing harness when servicing the instrument
panel.
1) Disconnect ground cable from battery.
2) Remove shift knob. (MT model)
3) Remove console cover (A) and front cover (B).
S5M0042A
4) Remove console box.
S5M0043
5) Remove lower cover and then disconnect con-
nector.
S5M0044A
6) Disconnect data link connector (A) from lower
cover.
S5M0045A
7) Remove knee panel.
S5M0046
8) Remove glove box.
S5M0047A
9) Remove center panel and disconnect connec-
tor.
10) Remove audio.
S5M0048A
3
[W1A0]5-4SERVICE PROCEDURE
1. Instrument Panel
Page 280 of 345

1. DRIVER'S AIRBAG MODULE
1) Set front wheels in straight ahead position.
2) Turn ignition switch off.
3) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
4) Using TORXTBIT T30, remove the two TORXT
bolts.
H5M0662
5) Disconnect airbag connector on back of airbag
module.
H5M0664
6) Refer toªCAUTIONºfor handling of a removed
airbag module.
7) Install in the reverse order of removal.
CAUTION:
Do not allow harness and connectors to inter-
fere or get caught with other parts.
2. PASSENGER'S AIRBAG MODULE
1) Turn ignition switch off.
2) Disconnect ground cable from battery and wait
for at least 20 seconds before starting work.
3) Remove glove box.
4) Disconnect airbag connector.
[M2F2].>
S5M0214
5) Remove the seven bolts and then carefully
remove airbag module.
S5M0215
6) Refer to ªCAUTIONº for handling of a removed
airbag module.
7) Install in the reverse order of removal.
CAUTION:
Do not allow harness and connectors to inter-
fere or get caught with other parts.
3. SIDE AIRBAG MODULE
The side airbag module cannot be detached from
the front seat assembly. When replacing side air-
bag module, replace front seat assembly.
5-3 [W100].>
10
5-5[W3A1]SERVICE PROCEDURE
3. Airbag Module