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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSECURITY CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISDTC B2196: DONGLE UNITDTC DIAGNOSIS PROCEDURE
2024 Nissan-Datsun Frontier SL, RWD

DTC Diagnosis Procedure

2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Diagnosis Procedure
  1. PERFORM INITIALIZATION 
    1. SYMBOL CONSULT
      1. Perform initialization of BCM and reregistration of all Intelligent Keys.
      2. Start the engine.

    Does the engine start?

    YES>>

    Inspection End.

    NO>>

    GO TO 2.

  2. CHECK DONGLE UNIT CIRCUIT 
      1. 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
        M19 52 M39 1 Yes
      4. Check continuity between BCM harness connector and ground.
        BCM - Continuity
        Connector Terminal
        M19 52 Ground No

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Repair or replace harness.

  3. CHECK DONGLE UNIT GROUND CIRCUIT 
    1. Check continuity between dongle unit harness connector and ground.
      Dongle unit - Continuity
      Connector Terminal
      M39 4 Ground Yes

    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.