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

Diagnosis Procedure

  1. CHECK HEADLAMP (LO) OUTPUT VOLTAGE 

    SYMBOL CONSULT

    1. Ignition switch ON.
    2. Select "HEADLAMP (LO)" in "Active Test" mode of "IPDM E/R".
    3. With operating the test items, check voltage between IPDM E/R harness connector and ground.

      +

      -

      Test item

      Voltage

      (Approx.)

      IPDM E/R

      Connector

      Terminal

      RH

      E44

      62

      Ground

      HEADLAMP (LO)

      On

      Battery voltage

      Off

      0 V

      LH

      E48

      50

      On

      Battery voltage

      Off

      0 V

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

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

  2. CHECK HEADLAMP (LO) POWER SUPPLY CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect IPDM E/R connector and front combination lamp connector.
    3. Check continuity between IPDM E/R harness connector and front combination lamp harness connector.

      IPDM E/R

      Front combination lamp

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      RH

      E44

      62

      E38

      4

      Yes

      LH

      E48

      50

      E37

    Is the inspection result normal?

    YES

    Perform the LED headlamp diagnosis. Refer to Diagnosis Procedure .

    NO

    Repair or replace harness.