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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSSECURITY CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISDTC B2196: DONGLE UNITDIAGNOSIS PROCEDURE
2019 Infiniti Q70 3.7 Luxe, AWD

Diagnosis Procedure

2019 Infiniti Q70 3.7 Luxe, AWDSECTION Diagnosis Procedure
  1. PERFORM INITIALIZATION 
    1. Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT.
    2. Start the engine.

    Dose the engine start?

    YES

    INSPECTION END

    NO

    GO TO 2.

  2. CHECK DONGLE UNIT CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector and dongle unit connector.
    3. Check continuity between BCM harness connector and dongle unit harness connector.

      BCM

      Dongle unit

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M120

      24

      M165

      7

      Existed
    4. Check continuity between BCM harness connector and ground.

      BCM

      Ground

      Continuity

      Connector

      Terminal

      M120

      24

      Not existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace harness.

  3. CHECK DONGLE UNIT GROUND CIRCUIT 

    Check continuity between dongle unit harness connector and ground.

    Dongle unit

    Ground

    Continuity

    Connector

    Terminal

    M165

    1

    Existed

    Is the inspection result normal?

    YES

    Replace dongle unit.

    NO

    Repair or replace harness.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.