Key Switch and Key Lock Solenoid Circuit Check (With Intelligent Key)

With CONSULT-II 

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

*: Refer to "DATA MONITOR ".

Fig 1: Monitor Item Table

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Fig 2: Data Monitor Display

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Without CONSULT-II 

GO TO 2.

OK or NG 

1. OK : Key switch and ignition knob circuit is OK.
2. NG : GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and key lock solenoid connector M22 terminal 3 and ground.
   1. 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.

Fig 3: Checking Voltage Between Terminal 3 And Ground

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Check continuity between key switch and ignition knob switch connector M22 terminal 3 and 4.

Fig 4: Continuity Table

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Fig 5: Checking Continuity Between Terminal 3 And 4

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OK or NG 

1. OK : GO TO 4.
2. NG : Replace detention switch.

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 and BCM connector M3 terminal 37.
   1. 4 (B/W) - 37 (B/W) : Continuity should exist. 
3. Check continuity between key switch and ignition knob switch connector M22 terminal 4 and ground.
   1. 4 (B/W) - Ground : Continuity should not exist. 

Fig 6: Checking Continuity Between Terminal 4 And Ground

Courtesy 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.