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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 >> DTC B20D1-11: Hl (Lo) RH PWR SPLY CIRC >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK FRONT COMBINATION LAMP POWER SUPPLY CIRCUIT 
    1. Ignition switch ON.
    2. Turn the low beam head lamps ON.
    3. Check voltage between front combination lamp RH (upper) harness connector and ground.

    +

    --

    Voltage

    (Approx.)

    Front combination lamp RH (upper)

    Ground

    Battery voltage

    Connector

    Terminal

    RH

    E229

    1

    Is the inspection result normal?

    YES

    Refer to Inspection .

    NO

    GO TO 2.

  2. CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND 
    1. Ignition switch OFF.
    2. Disconnect front combination lamp RH (upper) connector and IPDM E/R connector.
    3. Check continuity between IPDM E/R harness connector and ground.

    IPDM E/R

    Ground

    Continuity

    Connector

    Terminal

    E201

    62

    No

    Is the inspection result normal?

    YES

    Replace IPDM E/R. Refer to IPDM E/R : Removal & Installation .

    NO

    Repair or replace harness.