LEMON Manuals: Even more car manuals for everyone
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 >> Headlamp (Hi) Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK HEADLAMP (HI) OUTPUT VOLTAGE 

    SYMBOL CONSULT

    1. Ignition switch OFF.
    2. Disconnect front combination lamp LH (upper) connector and front combination lamp RH (upper) connector.
    3. Ignition switch ON.
    4. Select "EXTERNAL LAMPS" in "Active Test" mode of "IPDM E/R".
    5. With operating the test items, check voltage between IPDM E/R harness connector and ground.

      +

      --

      Test item

      Voltage

      (Approx.)

      IPDM E/R

      Connector

      Terminal

      E200

      54

      Ground

      EXTERNAL LAMPS

      Hi

      Battery Voltage

      (Repeated 1 second)

      Off

      0V

      E201

      59

      Hi

      Battery Voltage

      (Repeated 1 second)

      Off

      0V

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    GO TO 3.

  2. CHECK HEADLAMP (HI) POWER SUPPLY 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

      E200

      54

      E230

      3

      Yes

      E201

      59

      E247

    Is the inspection result normal?

    YES

    Replace front combination lamp. Refer to Removal and Installation .

    NO

    Repair or replace harness.

  3. CHECK HEADLAMP (HI) POWER SUPPLY CIRCUIT 
    1. Ignition switch OFF.
    2. Disconnect IPDM E/R connectors.
    3. Check continuity between the IPDM E/R harness connector and ground.

      IPDM E/R

      --

      Continuity

      Connector

      Terminal

      E200

      54

      Ground

      No

      E201

      59

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace harness.

  4. CHECK HEADLAMP (HI) GROUND CIRCUIT 

    Check continuity between the front combination lamp LH (upper) harness connector, front combination lamp RH (upper) harness connector and ground.

    1. Front combination lamp (upper)

      --

      Continuity

      Connector

      Terminal

      E230

      4

      Ground

      Yes

      E247

    Is the inspection result normal?

    YES

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

    NO

    Repair or replace harness.