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Home >> Nissan-Datsun >> 2021 >> Sentra SR >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System - Led Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B1231-11: DTRL RH PWR SPLY CIRC >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT (SHORT) 
    1. Ignition switch OFF.
    2. Disconnect IPDM E/R connector and front combination lamp RH connector.
    3. Check continuity between IPDM E/R harness connector and ground.

      IPDM E/R

      --

      Continuity

      Connector

      Terminal

      E44

      58

      Ground

      No

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace harness.

  2. CHECK DAYTIME RUNNING LIGHT RH POWER SUPPLY 

    SYMBOL CONSULT

    1. Connect IPDM E/R connector.
    2. Ignition switch ON.
    3. Turn lighting switch 1ST.
    4. Select "DAYTIME RUNNING LIGHT" in "Active Test" mode of "IPDM E/R".
    5. With operating the test items, check the voltage between front combination lamp RH harness connector and ground.

      +

      -

      Test item

      Voltage

      (Approx.)

      Front combination lamp RH

      Connector

      Terminal

      E38

      5

      Ground

      DAYTIME RUNNING LIGHT

      On

      Battery voltage

      Off

      0 V

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Replace IPDM E/R. Refer to Removal and Installation .

  3. CHECK DAYTIME RUNNING LIGHT RH 

    Check the daytime running light RH. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    Inspection End.

    NO

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