LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> Sentra SR >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System - Led Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> License Plate Lamp Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK LICENSE PLATE LAMP BULB 

    Check the license plate lamp bulb.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace the corresponding license plate lamp. Refer to Removal and Installation .

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

      IPDM E/R

      License plate lamp

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      RH

      E47

      4

      B89

      1

      Yes

      LH

      B91

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK LICENSE PLATE LAMP GROUND CIRCUIT 

    Check continuity between license plate lamp harness connector and ground.

    License plate lamp

    --

    Continuity

    Connector

    Terminal

    RH

    B89

    2

    Ground

    Yes

    LH

    B91

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Repair or replace harness.