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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Led Headlamp >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

  1. CHECK LED HEADLAMP GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect front combination lamp connector.
    3. Check continuity between front combination lamp harness connector and ground.
      Front combination lamp - Continuity
      Connector Terminal
      RH E42 3 Ground Existed
      LH E41

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace harness.

  2. CHECK LED HEADLAMP

    Install the normal front combination lamp to the applicable headlamp. Check that the headlamp is turned ON. Refer to WORK PROCEDURE .

    Is the headlamp turned ON?

    YES 

    Replace front combination lamp. Refer to REMOVAL AND INSTALLATION .

    NO 

    LED headlamp is normal. Check headlamp control system.