Nissan Altima 2007-2012 Service Manual: Low tire pressure warning lamp stays on

Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On

DIAGNOSTIC PROCEDURE

1.CHECK BCM CONNECTORS

1. Turn ignition switch OFF.

2. Disconnect BCM harness connectors.

3. Check terminals for damage or loose connections.

Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace damaged parts.

2.CHECK BCM POWER SUPPLY AND GROUND CIRCUITS

Check BCM power supply and ground circuits. Refer to BCS-42, "Diagnosis Procedure".

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".

NO >> Repair BCM circuits.

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