``AIR BAG'' warning lamp operation Ð User mode Ð SRS condition Reference item
MRS096A
The system has a problem
and needs to be repaired
as indicated.Go to DIAGNOSTIC PRO-
CEDURE 2 or 6 (RS-32 or
RS-39).
MRS097A
Air bag is deployed. Go to COLLISION DIAG-
NOSIS (RS-45).
Air bag fuse, diagnosis
sensor unit or harness is
malfunctioning and needs
to be repaired.Go to DIAGNOSTIC PRO-
CEDURE 9 (RS-43).
MRS098A
One of the following has
occurred and needs to be
repaired.
+Meter fuse is blown.
+``AIR BAG'' warning
lamp circuit has open or
short.
+Diagnosis sensor unit is
malfunctioning.Go to DIAGNOSTIC PRO-
CEDURE 10 (RS-43).
DIAGNOSTIC PROCEDURE 8 (Continued from
DIAGNOSTIC PROCEDURE 6) (
without CONSULT)
Inspecting SRS malfunctioning record
Is it the ®rst time for maintenance of
SRS?
Ye s
cNo
Diagnosis results (previ-
ously stored in the
memory) might not be
erased after repair.
Go to DIAGNOSTIC PRO-
CEDURE 7, step 5 (RS-
40).
GO TO DIAGNOSTIC PROCEDURE 5
(RS-36).Further inspection cannot be per-
formed without CONSULT.
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
Trouble Diagnoses without CONSULT (Cont'd)
RS-42
Trouble Diagnoses: ``AIR BAG'' Warning Lamp
Does Not Turn Off
DIAGNOSTIC PROCEDURE 9
Is air bag deployed?
NocYe s
Refer to COLLISION DIAG-
NOSIS (RS-45).
Is SRS ``Air Bag'' fuse OK?
Ye scNo
Replace fuse.
Connect CONSULT and touch
``START''.
+Is ``AIRBAG'' displayed on
CONSULT?
Ye s
cNo
Visually check the wiring
harness connection of diag-
nosis sensor unit. If the har-
ness connection check is
OK, replace diagnosis sen-
sor unit.
Is harness connection between warning
lamp and diagnosis sensor unit OK?
Ye s
cNo
Connect warning lamp and
diagnosis sensor unit con-
nector properly. If warning
lamp still does not go off,
replace harness.
Replace diagnosis sensor unit.
Trouble Diagnoses: ``AIR BAG'' Warning Lamp
Does Not Turn On
DIAGNOSTIC PROCEDURE 10
Is meter fuse OK?
Ye scNo
Replace fuse.
Is warning lamp LED OK?
Ye scNo
Replace warning lamp LED.
1. Disconnect diagnosis sensor unit con-
nector.
2. Turn the ignition key to ON position.
+Does warning lamp turn on?
Ye s
cNo
Check the ground circuit of
``AIR BAG'' warning lamp.
Replace diagnosis sensor unit.
SRS307
SRS180
SRS469
.
.
.
.
.
.
.
TROUBLE DIAGNOSES Ð Supplemental Restraint System (SRS)
RS-43
To repair the SRS for a frontal collision, perform the following steps.
When SRS (except the side air bag) is activated in a collision:
V1Replace the diagnosis sensor unit.
V2Remove the air bag modules.
V3Check the SRS components using the table shown below:
+Replace any SRS components showing visible signs of damage (dents, cracks, deformation).
V4Install new air bag modules.
V5Conduct self-diagnosis using CONSULT and ``AIR BAG'' warning lamp. Refer to ``SRS Operation Check''
for details (RS-30). Ensure entire SRS operates properly.
When SRS is not activated in a collision:
V1Check the SRS components using the table shown below:
+Replace any SRS components showing visible signs of damage (dents, cracks, deformation).
V2Conduct self-diagnosis using CONSULT and ``AIR BAG'' warning lamp. Refer to ``SRS Operation Check''
for details (RS-30). Ensure entire SRS operates properly.
SRS inspection
Part SRS (except the
side air bag) is acti-
vatedSRS is NOT activated
Air bag module
(driver and passen-
ger side)REPLACE
Install air bag mod-
ule with new bolts
coated with bonding
agent.1. Remove air bag module. Check harness cover and connectors for damage, ter-
minals for deformities, and harness for binding.
2-1. Install driver air bag module into the steering wheel to check ®t and alignment
with the wheel.
2-2. Install passenger air bag module into the instrument panel to check ®t with the
instrument panel.
3. No damage found, reinstall with new bolts coated with bonding agent.
4. If damagedÐREPLACE. Air bag must be deployed before discarding.
Diagnosis sensor
unitREPLACE
Install diagnosis sen-
sor unit with new
bolts coated with
bonding agent.1. Check case and bracket for dents, cracks or deformities.
2. Check connectors for damage, and terminals for deformities.
3. If no damage is found, reinstall with new bolts coated with bonding agent.
4. If damagedÐREPLACE. Install diagnosis sensor unit with new bolts coated with
bonding agent.
Seat belt pre-ten-
sioner assemblyREPLACE
Install seat belt pre-
tensioner with new
bolts coated with
bonding agent.1. Remove seat belt pre-tensioners.
Check harness cover and connectors for damage, terminals for deformities, and
harness for binding.
2. Check belts for damage and anchors for loose mounting.
3. Check retractor for smooth operation.
4. If no damage is found, reinstall with new bolts coated with bonding agent.
5. If damagedÐREPLACE. Install the seat belt pre-tensioners with new bolts coated
with bonding agent. Seat belt pre-tensioners must be deployed before discarding.
Steering wheel 1. Visually check steering wheel for deformities.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformities.
3. Install air bag module to check ®t or alignment with steering wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall the steering wheel.
6. If damagedÐREPLACE.
Spiral cable 1. Visually check spiral cable and combination switch for damage.
2. Check connectors, ¯at cable and protective tape for damage.
3. Check steering wheel for noise, binding or heavy operation.
4. If no damage is found, reinstall the spiral cable.
5. If damagedÐREPLACE.
Harness and Con-
nectors1. Check connectors for poor connection, damage, and terminals for deformities.
2. Check harness for binding, cha®ng, cuts, or deformities.
3. If no damage is found, reinstall harness and connectors.
4. DamagedÐREPLACE damaged section of harness. Do not attempt to repair, splice or modify any SRS
harness.
Instrument panel Refer to the table on the next page.
COLLISION DIAGNOSIS
RS-45
