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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Interior Lighting System >> DTC/Circuit Diagnosis >> Puddle Lamp Circuit >> Diagnosis Procedure

Diagnosis Procedure

NOTE:

Before performing the diagnosis, check that the interior room lamp power supply is normal.

  1. CHECK PUDDLE LAMP OUTPUT

    1. Turn ignition switch OFF.
    2. Disconnect puddle lamp connector.
    3. Check continuity between BCM harness connector and ground.
    BCM Ground Condition Continuity
    Connector Terminal
    M71 72 Any door
    (except back door)
    Open Existed
    Closed Not existed

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO - 1 

    Continuity exists and remains unchanged: GO TO STEP 3  .

    NO - 2 

    Continuity does not exist and remains unchanged: Replace BCM. Refer to REMOVAL AND INSTALLATION .

  2. CHECK PUDDLE LAMP OPEN CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and puddle lamp harness connector.
    BCM Puddle lamp Continuity
    Connector Terminal Connector Terminal
    M71 72 Driver side D3 14 Existed
    Passenger side D23

    Is the inspection result normal?

    YES 

    Replace puddle lamp.

    NO 

    Repair or replace harnesses.

  3. CHECK PUDDLE LAMP SHORT CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and ground.
    BCM Ground Continuity
    Connector Terminal
    M71 72 Not existed

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harnesses.