Nissan Altima 2007-2012 Service Manual: The seat belt warning continues sounding, or does not sound
Description
• 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
1. CHECK WARNING CHIME OPERATION
With the driver door open, turn lighting switch to 1st or 2nd position.
Does warning chime sound? YES >> GO TO 2
NO >> Replace combination meter. Refer to MWI-176, "Removal and Installation".
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-96, "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 WCS-20, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK SEAT BELT BUCKLE SWITCH UNIT
Perform a unit inspection for the seat belt buckle switch. Refer to WCS-21, "Component Inspection".
Is the inspection result normal? YES >> Replace the combination meter. Refer to MWI-176, "Removal and Installation".
NO >> Replace the seat belt buckle switch LH.
The light reminder warning does not sound
Description Light reminder warning does not sound even though headlamp is illuminated. Diagnosis Procedure 1. CHECK COMBINATION SWITCH (LIGHT SWITCH) OPERATION Check that the headlamps operate n ...Precaution
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used alon ...Other materials:
Rear view camera control unit
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the rear view camera control unit are not
blown.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between ...
Steering switch (coupe)
Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering switch circuit
changes depending on which button is pushed.
Diagnosis Procedure
WITH BLUETOOTH
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit con ...
Idle speed
Description
This describes how to check the idle speed. For the actual procedure, follow
the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IDLE SPEED
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
Check idle speed with Service $01 of GST.
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