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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System (Except Hybrid) >> Symptom Diagnosis >> Both Side Headlamps (Lo) Are Not Turned On >> Diagnosis Procedure

Diagnosis Procedure

  1. COMBINATION SWITCH INSPECTION 

    Check combination switch. Refer to Symptom Table .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace the malfunctioning part.

  2. CHECK LOW BEAM REQUEST SIGNAL 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "HL LO REQ" in "Data Monitor" mode of "IPDM E/R" using CONSULT.
    3. With operating the lighting switch, check the monitor status.

      Monitor item

      Condition

      Monitor status

      HL LO REQ

      Lighting switch

      2ND

      On

      OFF

      Off

    Is the inspection result normal?

    YES

    Replace IPDM E/R. Refer to Removal and Installation .

    NO

    Replace BCM. Refer to Removal and Installation .

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