Key Switch Circuit Check (Without Intelligent Key)

Check key switch .

With CONSULT-II

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

KEY SWITCH CIRCUIT (WITHOUT INTELLIGENT KEY) CHECK

Monitor Item [OPERATION Or UNIT]

Parameter

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 DATA MONITOR .

Fig 1: Identifying DATA MONITOR Display Screen

G02494815

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

Without CONSULT-II

GO TO NEXT STEP.
OK or NG
1. OK: Key switch circuit is OK.
2. NG: GO TO NEXT STEP.

Check key switch and key lock solenoid power supply circuit .
1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check voltage between key switch connector M23 terminal 2 and ground.
  2 (L/R) - Ground: Battery voltage.
  
  Fig 2: Checking Voltage Between Key Switch Connector Terminal & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO NEXT STEP.
2. NG: Check harness between key switch and fuse.
  
  Fig 3: Displaying Key Switch Connector Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
Check key switch .
Check continuity between key switch connector M23 terminal 1 and 2.

OK or NG
1. OK: GO TO NEXT STEP.
2. NG: Replace key switch.
Check harness continuity .
1. Disconnect key switch and connector and BCM connector.
2. Check continuity between key switch connector M23 terminal 1 and BCM connector M3 terminal 37.
  1 (B/W) - 37 (B/W): Continuity should exist.
  
  Fig 5: Checking Continuity Between Key Switch & BCM Connector Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between key switch connector M23 terminal 1 and ground.
  1 (B/W) - Ground: Continuity should not exist.
OK or NG
1. OK: Key switch and circuit is OK.
2. NG: Repair or replace harness between key switch and BCM.