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

Nissan Sentra Service Manual / Restraints / SRS airbag control system / Symptom diagnosis / 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 >> GO TO 2.

2.CHECK AIR BAG FUSE

Check 10 A fuse [No.3, located in fuse block (J/B)].

Is the inspection result normal? YES >> GO TO 3.

NO >> Replace the fuse.

3.CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal? YES >> GO TO 4.

NO >> Replace harness connectors.

4.CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace wiring harness.

5.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

Replace air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
Check air bag warning lamp operation.

Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 6.

6.REPLACE COMBINATION METER

Replace combination meter. Refer to MWI-77, "Removal and Installation".
Check air bag warning lamp operation.

Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 1.

Symptom diagnosis

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SRS Air bag warning lamp does not turn ON

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