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Front Door Lock Assembly LH (Key Cylinder Switch) Check

  1. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) INPUT SIGNAL 

    With CONSULT-II

    • Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK SW(" in "DATA MONITOR" mode for "POWER DOOR ROCK SYSTEM" with CONSULT-II. Refer to DATA MONITOR  .
      1. "KEY CYL LK-SW" should be "ON" when key inserted in door key cylinder is turned to lock. 
        Fig 1: Displaying Data Monitor Screen
        G02468619Courtesy of NISSAN MOTOR CO., U.S.A.
    • Check front door lock assembly LH (key cylinder switch) ("KEY CYL UN-SW(" in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT-II. Refer to DATA MONITOR  .
      1. "KEY CYL UN-SW" should be "ON" when key inserted in door key cylinder was turned to unlock. 
        Fig 2: Displaying Data Monitor Screen
        G02468620Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    Check voltage between main power window and door lock/unlock switch connector and ground.

    Fig 3: Connector Terminal Specifications
    G02468621Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connector And Ground
    G02468622Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Front door lock assembly LH (key cylinder switch) is OK.
    2. NG: GO TO 2.
  2. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch and front door lock assembly (key cylinder switch).
    3. Check continuity between main power window and door lock/ unlock switch connector D7 terminals 4, 6 and front door lock assembly LH (key cylinder switch) connector D14 terminals 1, 6.
      Fig 5: Checking Continuity Between Main Power Window And Door Lock/ Unlock Switch And Front Door Lock Assembly
      G02468623Courtesy of NISSAN MOTOR CO., U.S.A.
      1. 6 (R) - 6 (R): Continuity should exist. 
      2. 4 (L) - (L): Continuity should exist. 

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair or replace harness.
  3. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) GROUND 

    Check continuity between front door lock assembly LH (key cylinder switch) connector D14 terminal 5 and ground.

    Fig 6: Checking Continuity Between Front Door Lock Assembly And Ground
    G02468624Courtesy of NISSAN MOTOR CO., U.S.A.
    1. 5 (B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness.
  4. CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) 

    Check continuity between front door lock assembly LH (key cylinder switch) connector D14 terminal 1, 6 and 5.

    Fig 7: Checking Terminal Continuity
    G02468625Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 8: Checking Continuity Between Front Door Lock Assembly Terminals 1, 6 And 5
    G02468626Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace main power window and door lock/unlock switch.
    2. NG: Replace front door lock assembly LH (key cylinder switch).