Infiniti I35 (A33). Manual — part 583
Trouble Diagnoses: “AIR BAG” Warning Lamp
Does Not Turn Off
=NHRS0050
DIAGNOSTIC PROCEDURE 9
NHRS0050S01
1
SEE THE DEPLOYMENT OF AIR BAG MODULE
Is air bag module deployed?
Yes or No
Yes
©
Refer to COLLISION DIAGNOSIS (RS-62).
No
©
GO TO 2.
2
CHECK AIR BAG FUSE
Is SRS “Air Bag” fuse OK?
SRS707
OK or NG
OK
©
GO TO 4.
NG
©
GO TO 3.
3
CHECK AIR BAG FUSE AGAIN
Replace “AIR BAG” fuse and turn ignition switch ON.
Is “AIR BAG” fuse blown again?
Yes
©
Repair main harness.
No
©
INSPECTION END
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn Off
RS-59
4
CHECK DIAGNOSIS SENSOR UNIT
Connect CONSULT-II and touch “START”.
I
Is “AIR BAG” displayed on CONSULT-II?
SRS771
Yes or No
Yes
©
GO TO 5.
No
©
Visually check the wiring harness connection of diagnosis sensor unit. If the harness
connection check result is OK, replace diagnosis sensor unit.
5
CHECK HARNESS CONNECTION
Is harness connection between warning lamp and diagnosis sensor unit OK?
OK or NG
OK
©
Replace diagnosis sensor unit.
NG
©
Connect “AIR BAG” warning lamp and diagnosis sensor unit connector properly. If “AIR
BAG” warning lamp still does not go off, replace harness.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn Off (Cont’d)
RS-60
Trouble Diagnoses: “AIR BAG” Warning Lamp
Does Not Turn On
=NHRS0051
DIAGNOSTIC PROCEDURE 10
NHRS0051S01
1
CHECK “METER” FUSE
Is meter fuse OK?
SRS774
OK or NG
OK
©
GO TO 3.
NG
©
GO TO 2.
2
CHECK “METER” FUSE AGAIN
Replace meter fuse and turn ignition switch ON.
Is meter fuse blown again?
Yes
©
Repair main harness.
No
©
INSPECTION END
3
CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND COMBINATION METER
Disconnect diagnosis sensor unit connector and turn ignition switch “ON”.
I
Does “AIR BAG” warning lamp turn on?
Yes or No
Yes
©
Replace diagnosis sensor unit.
No
©
Check the ground circuit of “AIR BAG” warning lamp.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
BT
HA
SC
EL
IDX
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Trouble Diagnoses: “AIR BAG” Warning Lamp Does Not Turn On
RS-61
Collision Diagnosis
=NHRS0033
FOR FRONTAL COLLISION
NHRS0033S07
To repair the SRS, perform the following steps.
When SRS (except the side air bag) is activated in a collision:
1) Replace the diagnosis sensor unit.
2) Remove the air bag modules (except the side air bag module), crash zone sensor assembly, bracket and
seat belt pre-tensioner assemblies.
3) Check the SRS components using the table shown below:
I
Replace any SRS components showing visible signs of damage (dents, cracks and deformation).
4) Install new air bag modules (except the side air bag module) and seat belt pre-tensioner assemblies.
5) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”
for details (RS-41). Ensure entire SRS operation properly.
When SRS is not activated in a collision:
1) Check the SRS components using the table shown below:
I
Replace any SRS components showing visible signs of damage (dents, cracks and deformation).
2) Conduct self-diagnosis using CONSULT-II or “AIR BAG” warning lamp. Refer to “SRS Operation Check”
for details (RS-41). Ensure entire SRS operation properly.
SRS Inspection (For frontal collision)
NHRS0033S0701
Part
SRS is activated
SRS is NOT activated
Air bag module (driver
or passenger side)
REPLACE
Install with new bolts.
1. Remove air bag module. Check harness cover and connectors for damage,
terminals for deformation, and harness for binding.
2.
a. Install driver air bag module into the steering wheel to check fit and alignment
with the wheel.
b. Install passenger air bag module into the instrument panel to check fit with the
instrument panel.
3. No damage found, reinstall with new bolts.
4. If damaged—REPLACE. Install air bag modules with new special bolts coated
with bonding agent. Air bag must be deployed before disposal.
Crash zone sensor
REPLACE the crash
zone sensor and
bracket with new nuts
and bolts.
1. Remove the crash zone sensor. Check harness connectors for damage, termi-
nals for deformation, and harness for binding.
2. Check for visible signs of damage (dents, cracks, deformation) of the crash
zone sensor and bracket.
3. Install the crash zone sensor to check fit.
4. If no damage is found, reinstall the crash zone sensor with new nuts.
5. If damaged—REPLACE the crash zone sensor and bracket with new nuts and
bolts.
Seat belt pre-ten-
sioner assembly
REPLACE
Install seat belt pre-
tensioner with new
bolts.
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 seat belt pre-tensioner assembly.
5. If damaged—REPLACE. Install the seat belt pre-tensioners with new bolts.
Seat belt pre-tensioners must be activated before disposal.
Diagnosis sensor unit
REPLACE
Install with new bolts.
1. Check case for dents, cracks or deformation.
2. Check connectors for damage, and terminals for deformation.
3. If no damage is found, reinstall with new bolts and ground bolt.
4. If damaged—REPLACE. Install diagnosis sensor unit with new bolts and
ground bolt.
Steering wheel
1. Visually check steering wheel for deformation.
2. Check harness (built into steering wheel) and connectors for damage, and terminals for deformation.
3. Install air bag module to check fit or alignment with steering wheel.
4. Check steering wheel for excessive free play.
5. If no damage is found, reinstall with bolts.
6. If damaged—REPLACE.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Collision Diagnosis
RS-62
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