Check Inside Key Antenna

With CONSULT-II 

1. Check the operation with ("ANTENNA") in the ACTIVE TEST.
2. Touch "ROOM ANT1" "ROOM ANT2" "ROOM ANT3" "LUG ANT" on screen.
3. Carry the Intelligent Key into the antenna detection area.
   TEST ITEM REFERENCE
   
   

   Test item	Corresponding antenna
   ROOM ANT1	Inside key antenna instrument center
   ROOM ANT2	Inside key antenna console
   ROOM ANT3	Inside key antenna rear seat
   LUG ANT1	Inside key antenna trunk room

Fig 1: Display ACTIVE TEST Screen

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

Do the hazard lamps flash? 

YES: Inside key antenna is OK.

NO: GO TO 2.

1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector and ground with oscilloscope.
   SIGNAL REFERENCE VALUE
   
   

   Terminals				Condition	Signal (Reference value.)
   (+)			(-)
   Intelligent Key unit connector		Terminal
   M33	Instrument center	47	Ground	Any door is open --> close
   	Console	49
   	Rear seat	51
   	Trunk room	53

Fig 2: Checking Signal Between Intelligent Key Unit Connector And Ground

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

OK or NG 

OK: Check the condition of harness and connector.

NG: GO TO 3.

1. Disconnect Intelligent Key unit and inside key antenna connector.
2. Check continuity between Intelligent Key unit connector and inside key antenna connector.
   CONTINUITY CONDITIONS
   
   

   A		B			Continuity
   Intelligent Key unit connector	Terminal	Inside key antenna connector		Terminal
   M33	47	M83	Instrument center	1	Yes
   	48			2
   	49	M142	Console	1
   	50			2
   	51	B45	Rear seat	1
   	52			2
   	53	B132	Trunk room	1
   	54			2

3. Check continuity between Intelligent Key unit connector and ground.
   CONTINUITY CONDITIONS
   
   

   A			Ground	Continuity
   Intelligent Key unit connector		Terminal
   M33	Instrument center	47		No
   		48
   	Console	49
   		50
   	Rear seat	51
   		52
   	Trunk room	53
   		54

Fig 3: Checking Inside Key Antenna Circuit

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

OK or NG 

OK: GO TO 4.

NG: Repair or replace harness between Intelligent Key unit and inside key antenna.

1. Replace inside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and inside key antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.

Terminals				Condition	Signal (Reference value.)
(+)			(-)
Intelligent Key unit connector		Terminal
M33	Instrument center	47	Ground	Any door is open --> close
	Console	49
	Rear seat	51
	Trunk room	53

Fig 4: Checking Signal Between Intelligent Key Unit Connector And Ground

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

OK or NG 

OK: Replace malfunction inside key antenna.

NG: Replace Intelligent Key unit.