Nissan Titan A60. Instruction — part 992
WCS
THE LIGHT REMINDER WARNING DOES NOT SOUND
WCS-43
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
THE LIGHT REMINDER WARNING DOES NOT SOUND
Description
INFOID:0000000006166427
Light reminder warning does not sound even though headlamp is illuminated.
Diagnosis Procedure
INFOID:0000000006166428
1.
CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) OPERATION
Check that the headlamps operate normally by operating the combination switch (lighting and turn signal
switch).
Do they operate normally?
YES
>> GO TO 2
NO
>> Refer to
2.
CHECK FRONT DOOR SWITCH LH SIGNAL CIRCUIT
For King Cab, perform inspection of the front door switch LH signal circuit. Refer to
(King Cab).
For Crew Cab, perform inspection of the front door switch LH signal circuit. Refer to
(Crew Cab).
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK FRONT DOOR SWITCH LH
For King Cab, perform a unit inspection for the front door switch LH. Refer to
For Crew Cab, perform a unit inspection for the front door switch LH. Refer to
Is the inspection result normal?
YES
>> Replace the BCM. Refer to
BCS-53, "Removal and Installation"
NO
>> Replace the front door switch LH.
WCS-44
< SYMPTOM DIAGNOSIS >
THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND
THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT
SOUND
Description
INFOID:0000000006166429
• Seat belt warning does not sound even though driver seat belt is not fastened.
• Seat belt warning sounds even though driver seat belt is fastened.
Diagnosis Procedure
INFOID:0000000006166430
1.
CHECK WARNING CHIME OPERATION
1. With key removed from key switch and the front door LH open, turn lighting switch to 1st or 2nd position.
2. Return lighting switch to off position, and insert key into key switch.
Does warning chime sound for both steps?
YES
>> GO TO 2
NO
>> • If both light reminder warning and key warning do not sound, replace combination meter. Refer
to
MWI-93, "Removal and Installation"
.
• If the light reminder warning does not sound only, refer to
.
• If key warning does not sound only, refer to
.
2.
CHECK SEAT BELT WARNING LAMP
1. Turn ignition switch ON.
2. Check the operation of the seat belt warning lamp in the combination meter.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-53, "Removal and Installation"
NO
>> GO TO 3
3.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
Perform inspection of the seat belt buckle switch circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK SEAT BELT BUCKLE SWITCH UNIT
Perform a unit inspection for the seat belt buckle switch. Refer to
WCS-19, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace the combination meter. Refer to
MWI-93, "Removal and Installation"
.
NO
>> Replace the seat belt buckle switch LH.
Seat belt fastened
: OFF
Seat belt not fastened
: ON
WCS
THE KEY WARNING DOES NOT SOUND
WCS-45
< SYMPTOM DIAGNOSIS >
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THE KEY WARNING DOES NOT SOUND
Description
INFOID:0000000006166431
Key warning does not sound even though key is in ignition and front door LH is opened.
Diagnosis Procedure
INFOID:0000000006166432
1.
CHECK WARNING CHIME OPERATION
With key removed from the ignition and the front door LH open, turn the lighting switch to 1st or 2nd position.
Does warning chime sound?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-93, "Removal and Installation"
2.
CHECK KEY SWITCH CIRCUIT
For vehicles with column shift, perform inspection of the key switch circuit. Refer to
.
For vehicles with floor shift, perform inspection of the key switch circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK KEY SWITCH
For vehicles with column shift, perform a unit inspection for the key switch. Refer to
For vehicles with floor shift, perform a unit inspection for the key switch. Refer to
Is the inspection result normal?
YES
>> Replace the BCM. Refer to
BCS-53, "Removal and Installation"
NO
>> Replace the key switch (column shift) or key switch and key lock solenoid (floor shift).
WCS-46
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006166433
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
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