warning lights SUBARU FORESTER 1999 Service Repair Manual

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

2. Inspection and Replacement
Standards
A: VEHICLES WHICH BECOME
INVOLVED IN A COLLISION
If the vehicle equipped with an SRS airbag system
is damaged in a collision, the airbag system parts
must be checked and replaced in accordance with
the following standards:
IAfter faulty parts are replaced, the warning light
operation must be checked.
IWhen the ignition switch is turned ON, it lights
up for about 7 seconds and then it goes out for at
least 30 seconds.
IThe trouble code stored in memory must be
erased after the check.
B: AIRBAG MODULE (DRIVER AND
PASSENGER)
1. INSPECTION STANDARD
IThe vehicle damaged in a collision (regardless
of whether or not airbag is deployed).
IThe designated trouble code is output during
self-diagnosis.
2. REPLACEMENT STANDARD
IAirbag is deployed.
IThe pad surface is scratched or cracked.
IHarness and/or connector is deformed or
cracked, their circuits are broken, lead wire is
exposed, etc.
IMounting bracket is cracked or deformed.
IThe module surface is fouled with foreign mat-
ter. (grease, oil, water, cleaning solvent, etc.)
IAirbag module dropped to the floor/ground.
IAirbag module determined as faulty during self-
diagnosis.
C: AIRBAG MODULE (SIDE)
1. INSPECTION STANDARD
IThe vehicle damaged in a side collision (regard-
less of whether or not airbag is deployed).
IThe designated trouble code is output during
self-diagnosis.
2. REPLACEMENT STANDARD
ISide airbag is deployed.
IThe front seat assembly is damaged or
deformed.
IHarness and/or connector is deformed or
cracked, their circuits are broken, lead wire is
exposed, etc.
IMounting bracket is cracked or deformed.ISide airbag module determined as faulty during
self-diagnosis.
D: MAIN HARNESS
1. INSPECTION STANDARD
IA vehicle damaged in a collision (regardless of
whether or not airbag is deployed).
IThe designated trouble code is output during
self-diagnosis.
2. REPLACEMENT STANDARD
IHarness circuit is broken, lead wire is exposed,
corrugated tube is cracked, etc.
IConnector is scratched or cracked.
IThe designated trouble code is output during
self-diagnosis.
E: AIRBAG CONTROL MODULE
1. INSPECTION STANDARD
IA vehicle damaged in a collision (regardless of
whether or not airbag is deployed).
IThe designated trouble code is output during
self-diagnosis.
2. REPLACEMENT STANDARD
IControl module is cracked or deformed.
IMounting bracket is cracked or deformed.
IConnector is scratched or cracked.
IControl module dropped to the floor/ground.
IControl module determined as faulty during
diagnostics.
IFront or side airbag is deployed.
F: ROLL CONNECTOR
1. INSPECTION STANDARD
IA vehicle damaged in a collision (regardless of
whether or not airbag is deployed).
IThe designated trouble code is output during
self-diagnosis.
2. REPLACEMENT STANDARD
ICombination switch or steering roll connector is
deformed or cracked.
5
[W2F2]5-5SERVICE PROCEDURE
2. Inspection and Replacement Standards