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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock (Diagnostic Trouble Codes (DTCS), Symptom Tests And R & I) >> DTC/Circuit Diagnosis >> DTC B2403: Encoder >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK AUTOMATIC BACK DOOR CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Check automatic back door control module power supply and ground circuit.

      Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    Replace automatic back door control module. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace the malfunctioning parts.