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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Front Door Lock >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE AND FUSIBLE LINK

    Check that the following fuse is not fusing.

    Signal name Fuse No.
    Front door lock and fuel filler lid lock actuator power supply 33 (15 A)

    Is the fuse fusing?

    YES 

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

    NO 

    GO TO STEP 2  .

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check voltage between BCM harness connector and ground.
      (+) (-) Voltage
      BCM
      Connector Terminal
      M17 142 Ground 9 - 16 V

    Is the measurement value normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK GROUND CIRCUIT

    Check continuity between BCM harness connector and ground.

    BCM Ground Continuity
    Connector Terminal
    M17 134 Existed
    143

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair or replace harness.

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