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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2250 (Exterior Lighting System) >> Symptom Diagnosis >> Both Side Front Fog Lamps Are Not Turned On >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION

    Check the combination switch (lighting and turn signal switch). Refer to "SYSTEM DESCRIPTION ".

    Is the combination switch (lighting and turn signal switch) normal? 

    YES: GO TO 2

    NO: Repair or replace the malfunctioning part.

  2. CHECK FRONT FOG LAMP REQUEST SIGNAL INPUT

    WITH CONSULT DATA MONITOR

    1. Select "FR FOG REQ" of IPDM E/R DATA MONITOR item.
    2. With operating the front fog lamp switch, check the monitor status.
      Monitor item Condition Monitor status
      FR FOG REQ Front fog lamp switch (Lighting switch 2ND) ON ON
      OFF OFF

      Is the monitor item status normal? 

      YES: GO TO 3

      NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

  3. FRONT FOG LAMP CIRCUIT INSPECTION

    Check the front fog lamp circuit. Refer to "DESCRIPTION ".

    Is the front fog lamp circuit normal? 

    YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

    NO: Repair or replace the malfunctioning part.