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Home › Nissan-Datsun › 2007 › Sentra SE-R › Repair and Diagnosis › Body & Frame › Door Locks › Body, Lock & Security System › Power Door Lock System › Door Lock and Unlock Switch Check

Door Lock and Unlock Switch Check

  1. CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL 

    With CONSULT-III 

    Check door lock and unlock switch ("CDL LOCK SW" and "CDL UNLOCK SW") in DATA MONITOR mode with CONSULT-III.

    DATA MONITOR MODE

    Test item Condition
    CDL LOCK SW Door lock and unlock switch is turned to LOCK : ON
    Other than above : OFF
    CDL UNLOCK SW Door lock and unlock switch is turned to UNLOCK : ON
    Other than above : OFF

    Without CONSULT-III 

    Check voltage between BCM connector and ground

    BCM CONNECTOR TERMINAL VOLTAGE SPECIFICATION

    Terminals Door lock and unlock switch condition Voltage (V) (Approx.)
    (+) (-)
    BCM connector Terminal
    M19 45 Ground Lock 0
    Neutral / Unlock Battery voltage
    46 Unlock 0
    Neutral / Lock Battery voltage

    OK or NG 

    OK: Door lock and unlock switch is OK.

    NG1: With power windows, GO TO 2.

    NG2: Without power windows, GO TO  5.

    Fig 1: Checking Voltage Between BCM Connector And Ground
    G04927564
  2. CHECK DOOR LOCK/UNLOCK SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect door lock/unlock switch.
    3. Check continuity between main power window and door lock/unlock switch terminals 10, 11 and 14.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Terminals Condition Continuity
      10 14 Lock Yes
      Unlock/Neutral No
      11 Unlock Yes
      Lock/Neutral No
    4. Check continuity between power window and door lock/unlock switch RH terminals 1, 2 and 3.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Terminals Condition Continuity
      1 3 Lock Yes
      Unlock/Neutral No
      2 Unlock Yes
      Lock/Neutral No
      Fig 2: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Terminals 1, 2 And 3
      G04895673

    OK or NG 

    OK: GO TO 3.

    NG: Replace door lock/unlock switch.

  3. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS 
    1. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch RH.
    2. Check continuity between main power window and door lock/unlock switch connector D5 terminal 14 and ground.

      14 - Ground : Continuity should exist. 

      Fig 3: Checking Continuity Between Door Lock/Unlock Switch Connector D5 Terminal 14 And Ground
      G04895674
    3. Check continuity between power window and door lock/unlock switch RH connector D104 terminal 3 and ground

      3 - Ground : Continuity should exist. 

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

    Fig 4: Checking Continuity Between Power Window And Door Lock/Unlock Switch RH Connector D104 Terminal 3 And Ground
    G04895675
  4. CHECK DOOR LOCK SWITCH CIRCUIT 
    1. Disconnect BCM.
    2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock switch connector D5 terminal 10 or power window and door lock/unlock switch RH connector D104 terminal 1.

      1 - 45 : Continuity should exist. 

      10 - 45 : Continuity should exist. 

    3. Check continuity between BCM connector M19 terminal 45 and ground.

      45 - Ground : Continuity should not exist. 

      Fig 5: Checking Continuity Between BCM Connector M19 Terminal 45 And Ground
      G04895676
    4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock switch LH connector D5 terminal 11 or power window and door lock/unlock switch RH connector D104 terminal 2.

      2 - 46 : Continuity should exist. 

      11 - 46 : Continuity should exist. 

    5. Check continuity between BCM connector M19 terminal 46 and ground.

      46 - Ground : Continuity should not exist. 

    OK or NG 

    OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

    NG: Repair or replace harness.

    Fig 6: Checking Continuity Between BCM Connector M19 Terminal 46 And Ground
    G04895677
  5. CHECK DOOR LOCK/UNLOCK SWITCH LH 
    1. Turn ignition switch OFF.
    2. Disconnect door lock/unlock switch LH.
    3. Check continuity between door lock/unlock switch LH terminals 1, 2 and 5.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Terminals Condition Continuity
      1 5 Lock Yes
      Unlock/Neutral No
      2 Unlock Yes
      Lock/Neutral No

    OK or NG 

    OK: GO TO 6.

    NG: Replace door lock/unlock switch LH.

    Fig 7: Checking Continuity Between Door Lock/Unlock Switch LH Terminals 1, 2 And 5
    G04927570
  6. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS 

    Check continuity between door lock/unlock switch connector D6 terminal 5 and ground.

    5 - Ground : Continuity should exist. 

    OK or NG 

    OK: GO TO 7.

    NG: Repair or replace harness.

    Fig 8: Checking Continuity Between Door Lock/Unlock Switch Connector D6 Terminal 5 And Ground
    G04927571
  7. CHECK DOOR LOCK SWITCH CIRCUIT 
    1. Disconnect BCM.
    2. Check continuity between BCM connector M19 (A) terminal 45 and door lock/unlock switch LH connector D6 (B) terminal 1.

      1 - 45 : Continuity should exist. 

    3. Check continuity between BCM connector M19 (A) terminal 45 and ground.

      45 - Ground : Continuity should not exist. 

      Fig 9: Checking Continuity Between BCM Connector M19 Terminal 45 And Ground
      G04927572
    4. Check continuity between BCM connector M19 (A) terminal 46 and door lock/unlock switch LH connector D6 (B) terminal 2.

      2 - 46 : Continuity should exist. 

    5. Check continuity between BCM connector M19 (A) terminal 46 and ground.

      46 - Ground : Continuity should not exist. 

    OK or NG 

    OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

    NG: Repair or replace harness.

    Fig 10: Checking Continuity Between BCM Connector M19 Terminal 46 And Ground
    G04927573
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