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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1728 (Seats (Coupe)) >> Automatic Drive Positioner >> Check Key Switch Circuit (Without Intelligent Key)
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Check Key Switch Circuit (Without Intelligent Key)

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK KEY SWITCH 

    With CONSULT-II 

    Touch "BCM". With "KEY ON SW" on the DATA MONITOR, Check ON/OFF operation.

    DATA MONITOR ITEM REFERENCE TABLE

    Monitor item [OPERATION or UNIT] Contents
    KEY ON SW "ON/OFF" Key inserted (ON)/key removed (OFF) status judged from the key-in detection switch is displayed.
    Fig 1: CONSULT-II Display Data Monitor
    G04182624Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 2.

    OK or NG 

    OK: Key switch circuit is OK.

    NG: GO TO 2.

  2. CHECK KEY SWITCH POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect key switch connector.
    3. Check voltage between key switch connector M307 terminal 2 and ground.

      2 (L/W) - Ground: Battery voltage  .

    OK or NG 

    OK: GO TO 3.

    NG: Check harness between key switch and fuse.

    Fig 2: Checking Voltage Between Key Switch Connector Terminal 2 And Ground
    G04182625Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK KEY SWITCH 

    Check continuity between key switch connector M307 terminal 1 and 2.

    CONTINUITY CHECK TABLE

    Connector Terminal Condition Continuity
    M307 1 2 Key is inserted in ignition key cylinder. Yes
    Key is removed from ignition key cylinder. No

    OK or NG 

    OK: GO TO 4.

    NG: Replace key switch.

    Fig 3: Checking Continuity Between Key Switch Connector Terminal 1 And 2
    G04182626Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK HARNESS CONTINUITY 
    1. Disconnect key switch and connector and BCM connector.
    2. Check continuity between key switch connector M307 terminal 1 and BCM connector M1 terminal 37.

      1 (B/P) - 37 (B/P): Continuity should exist  .

    3. Check continuity between key switch connector M307 terminal 1 and ground.

      1 (B/P) - Ground: Continuity should not exist  .

    OK or NG 

    OK: Key switch and circuit is OK.

    NG: Repair or replace harness between key switch and BCM.

    Fig 4: Checking Continuity Between BCM And Key Switch Connector Terminals
    G04182627Courtesy of NISSAN MOTOR CO., U.S.A.
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