FixVault

Check Front Door Key Cylinder Switch (Unlock)

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL) 

    With CONSULT-II 

    Check front door key cylinder switch driver side ("KEY CYL UN-SW") in "DATA MONITOR" mode with CONSULT-II.

    • When key cylinder switch is turned to "UNLOCK".
      1. KEY CYL UN-SW: ON
    Fig 1: Displaying ("KEY CYL UN-SW") In "DATA MONITOR" Mode
    G02362186Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

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

    Fig 2: Connector Terminal Reference Chart
    G02362187Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Checking Voltage Between Main Power Window Switch (Door Lock And Unlock Switch) Connector And Ground
    G02362188Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Front door key cylinder switch circuit driver side (unlock) is OK.
    2. NG : GO TO 2.
  2. CHECK FRONT DOOR KEY CYLINDER SWITCH 
    1. Disconnect front door key cylinder switch driver side connector.
    2. Check continuity between front door key cylinder switch driver side terminals 5 and 6.
    Fig 4: Connector Terminal Reference Chart
    G02362189Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 5: Checking Continuity Between Front Door Key Cylinder Switch Driver Side Terminals 5 And 6
    G02362190Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Check the following.
      • Front door key cylinder switch driver side ground circuit.
      • Harness for open or short between power window main switch (door lock and unlock switch) and front door key cylinder switch driver side.
    2. NG : Replace front door key cylinder switch driver side.