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Home >> Nissan-Datsun >> 2007 >> X-Trail LE >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Multi-Remote Control System >> Key Switch Circuit Check

Key Switch Circuit Check

  1. CHECK KEY SWITCH INPUT SIGNAL 

    Check voltage between smart entrance control unit harness connector and ground.

    VOLTAGE REFERENCE

    Connector Terminal (Wire color) Condition of ignition key cylinder Voltage [V] (Approx.)
    (+) (-)
    M91 25 (W/L) Ground Key is inserted. Battery voltage
    Key is removed. 0
    Fig 1: Checking Voltage Between Smart Entrance Control Unit Harness Connector And Ground
    G06155013Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Key switch circuit is OK.

    NG: GO TO 2.

  2. CHECK KEY SWITCH (INSERT) 
    1. Turn ignition switch OFF.
    2. Disconnect key switch connector.
    3. Check continuity between key switch terminals 1 and 2.
    CONTINUITY REFERENCE

    Terminals Condition of ignition key cylinder Continuity
    1 2 Key is inserted Yes
    Key is removed No
    Fig 2: Checking Continuity Between Key Switch Terminals 1 And 2
    G06155014Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Check the following.

    • 10A fuse [No. 28, located in fuse block (J/B)]
    • Harness for open or short between key switch and fuse
    • Harness for open or short between smart entrance control unit and key switch

    NG: Replace key switch.

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