LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System - Led Headlamp (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Headlamp Warning >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK HEADLAMP WARNING LAMP SIGNAL CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect front combination lamp LH (upper) connector and front combination lamp RH (upper) connector.
    3. Ignition switch ON.
    4. Check voltage between front combination lamp LH (upper) harness connector, front combination lamp RH (upper) harness connector and ground.

      +

      --

      Voltage

      (Approx.)

      Front combination lamp (upper)

      Connector

      Terminal

      Ground

      Battery voltage

      RH

      E213

      6

      LH

      E218

    Is the inspection result normal?

    YES

    Replace front combination lamp. Refer to FRONT COMBINATION LAMP : Removal & Installation .

    NO

    GO TO 2.

  2. CHECK HEADLAMP WARNING LAMP SIGNAL CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect IPDM E/R connectors.
    3. Check continuity between IPDM E/R harness connector, front combination lamp LH (upper) harness connector and front combination lamp RH (upper) harness connector.

      IPDM E/R

      Front combination lamp (upper)

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E201

      60

      E213

      6

      Yes

      E200

      53

      E218

    Is the inspection result normal?

    YES

    Replace front combination lamp. Refer to FRONT COMBINATION LAMP : Removal & Installation .

    NO

    Repair or replace harness.