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Nissan Sentra Service Manual: SRS Air bag warning lamp does not turn ON

Nissan Sentra Service Manual / Restraints / SRS airbag control system / Symptom diagnosis / 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:

Ecm branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Service Notice and Precautions for Road Wheel
Genuine NISSAN aluminum wheel is designed for each type of vehicle. Use it on the specified vehicle only. Use Genuine NISSAN parts for the road wheels, valve caps and wheel nuts. Always use them after adjusting the wheel balance. For the balance weights, use Genuine NISSAN aluminum wh ...

Precaution
Precaution for 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 along with a front seat belt, helps to reduce the risk or severity of injur ...

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