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Door Key Cylinder Switch Check

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check door key cylinder switch ("KEY CYL LK-SW", "KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT-II. Refer to CONSULT-II FUNCTION (BCM)

    Fig 1: Door Key Cylinder Switch Condition Table
    G02336327Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: "KEY CYL LK-SW", "KEY CYL UN-SW" In Data Monitor Display
    G02336328Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

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

    Fig 3: Power Window Main Switch Connector And Ground Voltage Table
    G02336329Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Door key cylinder switch is OK.
    2. NG: GO TO 2.
    Fig 4: Checking Voltage Between Power Window Main Switch Connector And Ground
    G02336330Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK DOOR KEY CYLINDER SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch (door lock and unlock switch) and door key cylinder switch connector.
    3. Check continuity between power window main switch (door lock and unlock switch) connector D7 terminal 6, 7 and door key cylinder switch connector D15 terminals 1, 6.

      6 (Y) - 1 (Y): Continuity should exist. 

      7 (SB) - 6 (SB): Continuity should exist. 

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Repair or replace harness.
    Fig 5: Checking Continuity Between Power Window Main Switch Connector D7 Terminals And Door Key Cylinder Switch Connector D15 Terminals
    G02336331Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR KEY CYLINDER SWITCH GROUND 

    Check continuity between door key cylinder switch connector D15 terminal 5 and ground.

    5 (B) - Ground: Continuity should exist. 

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair or replace harness.
    Fig 6: Checking Continuity Between Door Key Cylinder Switch Connector D15 Terminal 5 And Ground
    G02336332Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DOOR KEY CYLINDER SWITCH 

    Check continuity between door key cylinder switch terminal 1, 6 and 5.

    Fig 7: Door Key Cylinder Switch Terminal 1, 6 And 5 Continuity Table
    G02336333Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Further inspection is necessary. Refer to symptom chart.
    2. NG: Replace door key cylinder switch.
    Fig 8: Checking Continuity Between Door Key Cylinder Switch Terminal 1, 6 And 5
    G02336334Courtesy of NISSAN MOTOR CO., U.S.A.
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