FixVault
Home › Infiniti › 2003 › FX45 › Repair and Diagnosis › Steering › Steering Column › Automatic Drive Positioner › Key Switch and Ignition Knob Switch Circuit Inspection (With Intelligent Key)

Key Switch and Ignition Knob Switch Circuit Inspection (With Intelligent Key)

  1. CHECK KEY SWITCH AND IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT 

    With CONSULT-II 

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

    CHECKING MIRROR SENSOR With CONSULT-II

    Monitor item [OPERATION or UNIT] Contents
    IGN KEY SW(1) "ON/OFF" Key inserted (ON)/key removed (OFF) status judged from the key-in detection switch is displayed.
    (1) Refer to CONSULT-II APPLICATION ITEMS .
    Fig 1: CONSULT-II Display - IGN KEY SW On DATA MONITOR
    G03107681Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 2.

    OK or NG

    1. OK: Key switch and ignition knob switch circuit is OK.
    2. NG: GO TO 2.
  2. CHECK KEY SWITCH AND IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect key switch connector and ignition knob switch connector.
    3. Check voltage between key switch and ignition knob switch connector M22 terminal 3 (L/R) and ground.

      3 (L/R) - Ground: Battery voltage. 

    OK or NG

    1. OK: GO TO 3.
    2. NG: Check harness between key switch and key lock solenoid and fuse block (J/B).
      Fig 2: Checking Key Switch And Ignition Knob Switch Power Supply Circuit
      G03107682Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK KEY SWITCH 

    Check continuity between key switch as follows.

    TERMINAL CONTINUITY

    Connector Terminals Condition Continuity
    M22 3 - 4 Key is inserted in ignition key cylinder. Yes
    Key is removed from ignition key cylinder No
    Fig 3: Checking Continuity Between Key Switch
    G03107683Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace detention switch.
  4. CHECK HARNESS CONTINUITY 
    1. Disconnect key switch and ignition knob switch connector and BCM connector.
    2. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and BCM connector M3 terminal 37 (B/W).

      4 (B/W) - 37 (B/W): Continuity should exist. 

    3. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and ground.

      4 (B/W) - Ground: Continuity should not exist. 

      Fig 4: Checking Harness Continuity
      G03107684Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Key switch and ignition knob switch circuit is OK.
    2. NG: Repair or replace harness between key switch and ignition knob switch and BCM.
About FixVault