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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System - Led Headlamp >> Symptom Diagnosis >> Both Side Front Fog Lamps Are Not Turned On >> Diagnosis Procedure

Diagnosis Procedure

The front fog lamps do not turn ON in any setting.

  1. COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION 

    Check the combination switch (lighting and turn signal switch). Refer to Symptom Table

    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 

    SYMBOL CONSULT

    1. Select "FR FOG REQ" in "Data Monitor" mode of "IPDM E/R".
    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 BCM : Removal & Installation .

  3. FRONT FOG LAMP CIRCUIT INSPECTION 

    Check the front fog lamp circuit. Refer to Component Function Check .

    Is the front fog lamp circuit normal?

    YES

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

    NO

    Repair or replace the malfunctioning part.