FixVault

Check Front Door Key Cylinder Switch

  1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check ("KEY CYL LK-SW", "KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR ROCK SYSTEM" with CONSULT-II. Refer to "DATA MONITOR "

    Fig 1: Identifying CONSULT-II Display - DATA MONITOR
    G04918738Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR KEY CYLINDER SWITCH INPUT SIGNAL (WITH CONSULT-II)

    Monitor item Condition
    KEY CYL LK-SW Lock : ON
    Neutral / Unlock : OFF
    KEY CYL UN-SW Unlock : ON
    Neutral / Lock : OFF

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check voltage between power window main switch connector and ground.
    3. Fig 2: Identifying Voltage Between Power Window Main Switch Connector And Ground
      G05221237Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR KEY CYLINDER SWITCH INPUT SIGNAL (WITHOUT CONSULT-II)

    Connector Terminals (Wire color) Key position Voltage [V] (Approx.)
    (+) (-)
    D6 4 (P) Ground Lock 0
    Neutral / Unlock 5
    6 (OR) Unlock 0
    Neutral / Lock 5

    OK or NG 

    OK: Further inspection is necessary. Refer to SYMPTOM CHART .

    NG: GO TO  2.

  2. CHECK HARNESS CONTINUITY 
    1. Disconnect power window main switch and front door key lock assembly (driver side) connector.
    2. Check continuity between power window main switch connector D6 terminals 4, 6 and front door lock assembly (driver side) connector D10 terminals 1, 6.

      4 (P) - 1 (P) : Continuity should exist. 

      6 (OR) - 6 (OR) : Continuity should exist. 

      Fig 3: Identifying Continuity Between Power Window Main Switch D6 Terminals 4, 6 And Front Door Lock Assembly D10 Terminals 1, 6
      G04918740Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  3.

    NG: Repair or replace harness.

  3. CHECK DOOR KEY CYLINDER SWITCH GROUND 

    Check continuity between front door lock assembly (driver side) connector D10 terminal 5 and ground.

    5 (B) - Ground : Continuity should exist. 

    OK or NG 

    Fig 4: Identifying Continuity Between Key Cylinder Switch (Driver Side) Connector D10 Terminal 5 And Ground
    G04918741Courtesy of NISSAN MOTOR CO., U.S.A.

    OK: GO TO  4.

    NG: Repair or replace harness.

  4. CHECK DOOR KEY CYLINDER SWITCH 

    Check continuity between door lock assembly terminals 1, 6 and 5.

    Fig 5: Identifying Continuity Between Door Lock Assembly Terminals 1, 6 And 5
    G04918742Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR KEY CYLINDER SWITCH

    Terminals Key position Continuity
    1 5 Lock Yes
    Neutral / Unlock No
    6 Unlock Yes
    Neutral / Lock No

    OK or NG 

    OK: Further inspection is necessary. Refer to SYMPTOM CHART .

    NG: Replace front door key cylinder (driver side) switch.