Nissan Titan. Instruction — part 565
SRS AIR BAG CONTROL SYSTEM
SRC-75
< WIRING DIAGRAM >
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ABHIA0563GB
SRC-76
< SYMPTOM DIAGNOSIS >
SRS AIR BAG SYSTEM
SYMPTOM DIAGNOSIS
SRS AIR BAG SYSTEM
"AIR BAG" Warning Lamp Does Not Turn Off
INFOID:0000000009882925
DIAGNOSTIC PROCEDURE
1.
CHECK CONDITION OF AIR BAG MODULE
Inspect for any deployed air bag modules or seat belt pre-tensioners.
Are any air bag modules or seat belt pre-tensioners deployed?
YES
>> Refer to
SR-20, "For Frontal Collision"
or
SR-22, "For Side and Rollover Collision"
NO
>> GO TO 2
2.
CHECK THE AIR BAG FUSE
Check 10A fuse [No. 13, located in the fuse block (J/B)].
Is the fuse blown?
Yes
>> GO TO 3
No
>> GO TO 4
3.
CHECK AIR BAG FUSE AGAIN
Replace 10A fuse [No. 13, located in the fuse block (J/B)] and turn ignition switch ON.
Does the fuse blow again?
YES
>> Replace harness.
NO
>> Inspection End.
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Connect CONSULT.
Is AIR BAG displayed on CONSULT?
YES
>> GO TO 5
NO
>> Visually inspect the air bag diagnosis sensor unit harness connections. If the connections are OK,
replace the air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
.
5.
CHECK HARNESS CONNECTION
Check for loose connections between the combination meter and the air bag diagnosis sensor unit.
Are there any loose connections?
Yes
>> Properly connect the combination meter and air bag diagnosis sensor unit harness connectors. If
AIR BAG warning lamp still does not turn off, replace the wiring harness.
No
>> Replace air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
.
"AIR BAG" Warning Lamp Does Not Turn On
INFOID:0000000009882926
DIAGNOSTIC PROCEDURE
1.
CHECK METER FUSES
Check the 10A fuses [Nos. 4 and 14, located in the fuse block (J/B)] .
Are any fuses blown?
Yes
>> GO TO 2
No
>> GO TO 3
2.
REPLACE METER FUSE AND CHECK AGAIN
Replace 10A fuse [Nos. 4 or 14 located in the fuse block (J/B)] and turn ignition switch ON.
Does the fuse blow again?
Yes
>> Replace harness.
No
>> Inspection End.
3.
CHECK HARNESS CONNECTIONS BETWEEN AIR BAG DIAGNOSIS SENSOR UNIT AND COMBINA-
SRS AIR BAG SYSTEM
SRC-77
< SYMPTOM DIAGNOSIS >
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TION METER
Inspect the harness and connectors between the air bag diagnosis sensor unit and the combination meter.
Do the harness or connectors have any visible damage?
Yes
>> Replace harness.
No
>> GO TO 4
4.
CHECK COMBINATION METER
Disconnect the air bag diagnosis sensor unit harness connectors and turn ignition switch ON.
Does AIR BAG warning lamp turn on?
Yes
>> Replace the air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
No
>> Replace the combination meter. Refer to
MWI-93, "Removal and Installation"
.
SRC-78
< SYMPTOM DIAGNOSIS >
PASSENGER SEAT BELT WARNING SYSTEM
PASSENGER SEAT BELT WARNING SYSTEM
Seat Belt Warning System Does Not Function
INFOID:0000000009882927
1.
SEAT BELT WARNING LIGHT
Turn ignition switch ON.
Does the seat belt warning lamp come ON?
YES
>> GO TO 2
NO
>> • Check 10A fuses [Nos. 4 and 14, located in the fuse block (J/B)].
• Check seat belt buckle switch LH.
• Check harness between combination meter and seat belt buckle switch LH.
• Check combination meter. Refer to
MWI-28, "CONSULT Function (METER/M&A)"
2.
SEAT BELT BUCKLE LH
Fasten the seat belt buckle LH.
Does the seat belt warning lamp go OFF?
YES
>> GO TO 3
NO
>> • Check seat belt buckle switch LH.
• Check harness between combination meter and seat belt buckle switch LH.
3.
OCCUPANT CLASSIFICATION SYSTEM
Have a helper sit in the passenger seat.
Does the seat belt warning lamp go ON?
YES
>> GO TO 4
NO
>> • Check occupant classification system. Refer to
SRC-10, "Occupant Classification System
.
• Check harness between occupant classification control unit and air bag diagnosis sensor unit.
4.
SEAT BELT BUCKLE RH
Fasten the seat belt buckle RH.
Does the seat belt warning lamp go OFF?
YES
>> System OK.
NO
>> • Check seat belt buckle switch RH.
• Check harness between seat belt buckle switch RH and air bag diagnosis sensor unit.
• Replace air bag diagnosis sensor unit. Refer to
SR-17, "Removal and Installation"
.
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