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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System (Led Headlamp) (DTCS) (2 Of 2) >> DTC/Circuit Diagnosis >> DTC P1240: Can Comm Circuit >> LH >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CAN COMMUNICATION SYSTEM DIAGNOSIS

    Perform the trouble diagnosis for CAN communication system. Refer to TROUBLE DIAGNOSIS FLOW CHART .

    Is the inspection result normal?

    YES 

    Replace front combination lamp LH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

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