Nissan Sentra Service Manual: Low tire pressure warning lamp does not turn oFF

Nissan Sentra Service Manual / Suspension / Road wheels & Tires / Symptom diagnosis / Low tire pressure warning lamp does not turn oFF

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

DIAGNOSTIC PROCEDURE

1.INSPECT BCM CONNECTOR

Turn ignition switch OFF.
Disconnect BCM connectors.
Check terminals for damage or loose connections.

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace damaged parts.

2.BCM POWER SUPPLY AND GROUND CIRCUITS

Check BCM power supply and ground circuits. Refer to WT-34, "WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (with Intelligent Key system) or WT-34, "WITHOUT INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (without Intelligent Key system).

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS- 126, "Removal and Installation" (without Intelligent Key system).

NO >> Repair BCM circuits.

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