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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSBODY, LOCK & SECURITY SYSTEMSERVICE INFORMATIONINTELLIGENT KEY SYSTEMSTOP LAMP SWITCH CHECK
2012 Nissan-Datsun Sentra SE-R

Stop Lamp Switch Check

2012 Nissan-Datsun Sentra SE-RSECTION Stop Lamp Switch Check
  1. CHECK STOP LAMP SWITCH INPUT SIGNAL

    With CONSULT 

    Check stop lamp switch ("STOP LAMP SW") in "DATA MONITOR" mode with CONSULT.

    Monitor item Condition
    STOP LAMP SW Brake pedal depressed: ON
    Brake pedal released: OFF

    Without CONSULT 

    1. Turn ignition switch OFF.
    2. Disconnect BCM.
    3. Check voltage between BCM connector M18 terminal 9 and ground.
      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      M18 9 Ground Brake pedal depressed Battery voltage
      Brake pedal released 0
      Fig 1: Checking Stop Lamp Switch Input Signal
      G04927699Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Stop lamp switch circuit is OK.

      NG: GO TO 2.

  2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

    Check voltage between stop lamp switch harness connector E60 terminal 1 and ground.

    1 - Ground: Battery voltage 

    Fig 2: Checking Stop Lamp Switch Power Supply Circuit
    G04927700Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness between stop lamp switch power supply circuit and fuse.

  3. CHECK STOP LAMP SWITCH OPERATION

    Check continuity between stop lamp switch terminals 1 and 2.

    Component Terminals Condition Continuity
    Stop lamp switch 1 2 Brake pedal depressed Yes
    Brake pedal not depressed No
    Fig 3: Checking Stop Lamp Switch Operation
    G04927701Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO 4.

    NG: Replace stop lamp switch.

  4. CHECK STOP LAMP SWITCH CIRCUIT
    1. Check continuity between BCM connector M18 (A) terminal 9 and stop lamp switch connector E60 (B) terminal 2.

      9 - 2: Continuity should exist  .

    2. Check continuity between BCM connector M18 (A) terminal 9 and ground.

      9 - Ground: Continuity should not exist  .

      Fig 4: Checking Stop Lamp Switch Circuit
      G04927702Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Check condition of harness and connector.

      NG: 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.