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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKE CONTROL SYSTEM (VDC/TCS/ABS) (DTC/CIRCUIT DIAGNOSIS)DTC/CIRCUIT DIAGNOSISHILL DESCENT CONTROL SWITCHDIAGNOSIS PROCEDURE
2024 Nissan-Datsun Frontier SL, RWD

Diagnosis Procedure

2024 Nissan-Datsun Frontier SL, RWDSECTION Diagnosis Procedure
  1. CHECK HILL DESCENT CONTROL SWITCH 
    1. Perform the hill descent control switch component inspection. Refer to Component Inspection .

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Replace hill descent control switch. Refer to Removal and Installation .

  2. CHECK HILL DESCENT CONTROL SWITCH HARNESS 
      1. Disconnect ABS actuator and electric unit (control unit) connector.
      2. Check continuity between ABS actuator and electric unit (control unit) harness connector and hill descent control switch harness connector.
        ABS actuator and electric unit (control unit) Hill descent control switch Continuity
        Connector Terminal Connector Terminal
        E127 43 M259 9 Yes
      3. Check continuity between ABS actuator and electric unit (control unit) harness connector and ground.
        ABS actuator and electric unit (control unit) - Continuity
        Connector Terminal
        E127 43 Ground No

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Repair or replace harness.

  3. CHECK HILL DESCENT CONTROL SWITCH GROUND 
    1. Check continuity between hill descent control switch harness connector and ground.
      Hill descent control switch - Continuity
      Connector Terminal
      M259 6 Ground Yes

    Is the inspection result normal?

    YES>>

    GO TO 4.

    NO>>

    Repair or replace harness.

  4. CHECK COMBINATION METER 
    1. Check if the indication and operation of combination meter are normal. Refer to On Board Diagnosis Function .

    Is the inspection result normal?

    YES>>

    Replace ABS actuator and electric unit (control unit). Refer to Removal and Installation .

    NO>>

    Replace combination meter. Refer to Removal and Installation .

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.