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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1004 (Tires, Wheels & Tire Pressure Monitoring System (TPMS)) >> Symptom Diagnosis >> Low Tire Pressure Warning Lamp Blinks >> Low Tire Pressure Warning Lamp Flashes When Ignition Switch Is Turned On >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  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 TIRE PRESSURE WARNING CHECK CONNECTOR CIRCUIT

    Check continuity between BCM harness connector M18 terminal 57 and ground.

    Fig 1: Checking Continuity Between BCM Harness Connector M18 Terminal 57 And Ground
    G04887083Courtesy of NISSAN MOTOR CO., U.S.A.

    Continuity should not exist. 

    HAZARD WARNING LAMPS FLASH 

    Is the inspection result normal? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair circuit for short to ground.

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