Nissan Sentra Service Manual: SRS Air bag warning lamp does not turn ON
Diagnosis Procedure
1.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check combination meter unit power supply and ground circuit. Refer to MWI-52, "COMBINATION METER : Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace harness connectors.
3.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace wiring harness.
4.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Disconnect air bag diagnosis sensor unit connector and turn ignition switch ON.
Does air bag warning lamp turn ON? YES >> Replace air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
NO >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
SRS Air bag warning lamp does not turn OFF
Diagnosis Procedure
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO &g ...
Seat belt warning system
Seat Belt Warning System Does Not Function
1.SEAT BELT WARNING LIGHT
Turn ignition switch ON.
Does the seat belt warning lamp come ON?
YES >> GO TO 2.
NO >> • Check 10A fuse ...
Other materials:
Abs actuator and electric unit (control unit)
Exploded View
ABS actuator and electric unit (control
unit)
ABS actuator and electric unit (control
unit) harness connector
Bushing
Bracket
To master cylinder secondary side
To master cylinder primary side
To rear LH caliper
To front RH caliper
...
Service data and specifications (SDS)
Idle speed
*: Under the following conditions
A/C switch: OFF
Electric load: OFF (Lights, heater fan & rear window defogger)
Steering wheel: Kept in straight-ahead position
Ignition timing
*: Under the following conditions
A/C switch: OFF
Electric load: OFF (Lights, hea ...
Excessive abs function operation
frequency
Diagnosis Procedure
1.CHECK START
Check front and rear brake force distribution using a brake
tester.
Is the inspection result normal?
YES >> GO TO 2
NO >> Check brake system.
2.CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear
axles. ...
