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Home >> Nissan-Datsun >> 2017 >> Sentra SR Midnight Edition >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> Circuit Diagnosis >> Power Supply And Ground Circuit >> Power Window Main Switch >> Diagnosis Procedure >> Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check

Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check

  1. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connectors D5, D11 and ground.
      Terminal Voltage
      (Approx.)
      (+) (-)
      Main power window and door lock/unlock switch Terminal
      D5 10 Ground Battery voltage
      D11 18

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2. 

  2. CHECK HARNESS CONTINUITY

    1. Turn ignition switch OFF.
    2. Disconnect BCM, main power window and door lock/unlock switch, power window and door lock/unlock switch RH, rear power window switch LH and rear power window switch RH.
    3. Check continuity between BCM connector and main power window and door lock/unlock switch connectors.

      With Intelligent Key system

      BCM
      connector      		 Terminal Main power window and door lock/unlock switch
      connector      		 Terminal Continuity
      M85 92 D5 10 Yes
      91 D11 18

      Without Intelligent Key system

      BCM
      connector      		 Terminal Main power window and door lock/unlock switch
      connector      		 Terminal Continuity
      M20 68 D5 10 Yes
      69 D11 18
    4. Check continuity between BCM connector M85 or M20 and ground.

      With Intelligent Key system

      BCM connector Terminal Ground Continuity
      M85 91 No
      92

      Without Intelligent Key system

      BCM connector Terminal Ground Continuity
      M20 68 No
      69

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Repair or replace the harness or connectors.

  3. CHECK GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch.
    3. Check continuity between main power window and door lock/unlock switch connector D5 and ground.
      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D5 1 Yes

    Is the inspection result normal?

    YES 

    Check main power window and door lock/unlock switch output signal (rear power window switch LH) GO TO STEP 5. 

    YES 

    Check main power window and door lock/unlock switch output signal (rear power window switch RH) GO TO STEP 6  .

    YES 

    Check main power window and door lock/unlock switch output signal (front power window switch LH) GO TO STEP 7  .

    YES 

    Check main power window and door lock/unlock switch output signal (front power window switch RH) GO TO STEP 8  .

    NO 

    Repair or replace the harness or connectors.

  4. CHECK BCM OUTPUT SIGNAL

    1. Connect BCM.
    2. Turn ignition switch ON.
    3. Check voltage between BCM connector M85 or M20 and ground.

      With Intelligent Key system

      Terminals Voltage
      (Approx.)
      (+) (-)
      BCM connector Terminal
      M85 91 Ground Battery voltage
      92

      Without Intelligent Key system

      Terminals Voltage
      (Approx.)
      (+) (-)
      BCM connector Terminal
      M20 68 Ground Battery voltage
      69

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace BCM. Refer to REMOVAL AND INSTALLATION (with Intelligent Key) or REMOVAL AND INSTALLATION (without Intelligent Key).

  5. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH LH)

    1. Connect main power window and door lock/unlock switch.
    2. Turn ignition switch ON.
    3. Check voltage between main power window and door lock/unlock switch D5 and ground.
    Terminal Window switch
    position (rear LH)    		 Voltage
    (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D5 9 Ground UP Battery voltage
    DOWN 0
    8 UP 0
    DOWN Battery voltage

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace main power window and door lock/unlock switch. Refer to REMOVAL AND INSTALLATION . After that, refer to WORK PROCEDURE .

  6. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH RH)

    1. Connect main power window and door lock/unlock switch.
    2. Turn ignition switch ON.
    3. Check voltage between main power window and door lock/unlock switch D5 and ground.
    Terminal Window switch
    position (rear RH)    		 Voltage
    (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D5 7 Ground UP Battery voltage
    DOWN 0
    6 UP 0
    DOWN Battery voltage

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace main power window and door lock/unlock switch. Refer to REMOVAL AND INSTALLATION . After that, refer to WORK PROCEDURE .

  7. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH LH)

    1. Connect main power window and door lock/unlock switch.
    2. Turn ignition switch ON.
    3. Check voltage between main power window and door lock/unlock switch D11 and ground.
    Terminal Window switch
    position (front LH)    		 Voltage
    (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D11 17 Ground UP Battery voltage
    DOWN 0
    19 UP 0
    DOWN Battery voltage

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace main power window and door lock/unlock switch. Refer to REMOVAL AND INSTALLATION . After that, refer to WORK PROCEDURE .

  8. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH RH)

    1. Connect main power window and door lock/unlock switch.
    2. Turn ignition switch ON.
    3. Check voltage between main power window and door lock/unlock switch D5 and ground.
    Terminal Window switch
    position (front RH)    		 Voltage
    (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D5 16 Ground UP Battery voltage
    DOWN 0
    2 UP 0
    DOWN Battery voltage

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace main power window and door lock/unlock switch. Refer to REMOVAL AND INSTALLATION . After that, refer to WORK PROCEDURE .

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