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Home >> Infiniti >> 2018 >> QX30 Essential, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System - Led Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B210E: Headlamp Power Supply >> RH >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE 
    1. Turn ignition switch OFF.
    2. Check that the following fuse is not blown (open).

      Unit

      Location

      Fuse No.

      Capacity

      Headlamp control unit

      Fuse and fusible link block 1

      209

      15A

    Is the fuse blown (open)?

    YES

    Replace the blown (open) fuse after repairing the affected circuit if a fuse is blown (open).

    NO

    GO TO 2.

  2. CHECK HEADLAMP CONTROL UNIT RH POWER SUPPLY 

    Check voltage between front combination lamp RH harness connector and ground.

    (+)

    (-)

    Voltage

    (Approx.)

    Front combination lamp RH

    Connector

    Terminal

    E116

    4

    Ground

    13.6 V

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK HEADLAMP CONTROL UNIT RH GROUND CIRCUIT 
    1. Disconnect front combination lamp RH connector.
    2. Check continuity between front combination lamp RH harness connector and ground.

    Front combination lamp RH

    Ground

    Continuity

    Connector

    Terminal

    E116

    5

    Existed

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace harness.

  4. ERASE DTC 
    1. Connect front combination lamp RH connector.
    2. Turn ignition switch ON.
    3. Select "Self Diagnostic Result" mode of "H/L control module RH" using CONSULT.
    4. Erase DTC, and then repeat "DTC CONFIRMATION PROCEDURE". Refer to DTC Description .

    Is DTC detected?

    YES

    Replace front combination lamp RH. Refer to Removal and Installation .

    NO

    INSPECTION END