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 >> DTC B121A-11: Fr Fog Lamp LH PWR SPLY CIRC >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK FRONT FOG LAMP POWER SUPPLY CIRCUIT 
    1. Ignition switch ON.
    2. Turn the front fog lamps ON.
    3. Check voltage between front fog lamp LH harness connector and ground.

    +

    --

    Voltage

    (Approx.)

    Front fog lamp

    Connector

    Terminal

    Ground

    LH

    E224

    1

    Battery voltage

    Is the inspection result normal?

    YES

    Refer to Inspection .

    NO

    GO TO 2.

  2. CHECK FRONT FOG LAMP SHORT CIRCUIT TO GROUND 
    1. Ignition switch OFF.
    2. Disconnect front fog lamp LH connector and IPDM E/R connector.
    3. Check continuity between IPDM E/R harness connector and ground.

    IPDM E/R

    Ground

    Continuity

    Connector

    Terminal

    E200

    51

    No

    Is the inspection result normal?

    YES

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

    NO

    Repair or replace harness.