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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System - Halogen Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> License Plate Lamp Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK LICENSE PLATE LAMP POWER SUPPLY CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect IPDM E/R connector, license plate lamp LH and license plate lamp RH connector.
    3. Check continuity between IPDM E/R harness connector, license plate lamp LH harness connector and license plate lamp RH harness connector.

      IPDM E/R

      License plate lamp

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E17

      17

      B34

      1

      Yes

      B32

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace harness.

  2. CHECK LICENSE PLATE LAMP GROUND CIRCUIT 

    Check continuity between license plate lamp connector and ground.

    License plate lamp

    --

    Continuity

    Connector

    Terminal

    B34

    2

    Ground

    Yes

    B32

    Is the inspection result normal?

    YES

    Replace license plate lamp. Refer to Removal and Installation .

    NO

    Repair or replace harness.