Check Ignition Knob Switch

With CONSULT-II 

Display "PUSH SW" on "DATA MONITOR" screen, and check if ON/OFF display is linked to ignition knob operation.

Press ignition knob. : ON 

Return ignition knob (release hands from ignition knob) : OFF 

Fig 1: CONSULT-II DISPLAY - "DATA MONITOR"

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OK or NG 

OK : Ignition knob switch is OK.

NG : GO TO 2.

1. Turn ignition knob LOCK position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 1 (L/R) and ground.

   1 (L/R) - Ground : Battery voltage 

   Fig 2: Identifying Voltage Between Key Switch And Ignition Knob Switch Connector M22 Terminal 1 (L/R) And Ground

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OK or NG 

OK : GO TO 3.

NG : Repair or replace key switch and ignition knob switch power supply circuit.

Check continuity between key switch and ignition knob switch terminals 1 and 2.

Fig 3: Identifying Continuity Between Key Switch And Ignition Knob Switch Terminals 1 And 2

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OK or NG 

OK : GO TO 4.

NG : Replace key switch and ignition knob switch.

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 27 (L/W) and key switch and ignition knob switch connector M22 terminal 2 (L/W).

   27 (L/W) - 2 (L/W) : Continuity should exist. 

3. Check continuity between key switch and ignition knob switch connector terminal 2 (L/W) and ground.

   2 (L/W) - Ground : Continuity should not exist. 

   Fig 4: Identifying Continuity Between Key Switch And Ignition Knob Switch Connector Terminal 2 (L/W) And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : Replace Intelligent Key unit.

NG : Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.