Outside Key Antenna Check

1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector M52 terminals 17, 19, 37 and ground with an oscilloscope.

Connector	Item	Terminals		Condition	Signal (Reference value)
		(+)	(-)
M52	Rear bumper antenna	17	Ground	Request switch is pushed	Courtesy of NISSAN MOTOR CO., U.S.A.
	Front out-side antenna LH	19
	Front out-side antenna RH	37

Fig 1: Checking Signal Between Intelligent Key Unit Connector M52 Terminals 17, 19, 37 And Ground

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

OK or NG 

OK: Outside key antenna is OK.

NG: GO TO 2.

1. Disconnect Intelligent Key unit connector and outside key antenna connector.
2. Check continuity between each outside key antenna harness connector (B) D61 (driver side) or D161 (passenger side), rear bumper antenna connector (C) B23 terminals 1, 2 and Intelligent Key unit harness connector (A) M52 terminals 17, 18, 19, 20, 37, and 38.
   EACH OUTSIDE KEY ANTENNA HARNESS CONNECTOR (B) D61 (DRIVER SIDE) OR D161 (PASSENGER SIDE), REAR BUMPER ANTENNA CONNECTOR (C) B23 TERMINALS 1, 2 AND INTELLIGENT KEY UNIT HARNESS CONNECTOR (A) M52 TERMINALS 17, 18, 19, 20, 37, AND 38
   
   

   Item	Connector	Terminal	Connector	Terminal	Continuity
   Rear bumper antenna	C: B23	1	A: M52	17	Yes
   		2		18
   Front outside antenna LH	B: D61	1		19
   		2		20
   Front outside antenna RH	B: D161	1		37
   		2		38

3. Check continuity between each outside key antenna harness connector terminals 1, 2 and ground.
   EACH OUTSIDE KEY ANTENNA HARNESS CONNECTOR TERMINALS 1, 2 AND GROUND
   
   

   Item	Connector		Terminal	Continuity
   Rear bumper antenna	C: B23	1	Ground	No
   		2
   Front outside antenna LH	B: D61	1
   		2
   Front outside antenna RH	B: D161	1
   		2

   Fig 2: Checking Continuity Between Outside Key Antenna Harness Connector Terminals 1, 2 And Ground

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

OK or NG 

OK: GO TO 3.

NG: Replace harness between outside key antenna and Intelligent Key unit.

1. Replace outside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit connector and outside key antenna connector.
3. Check signal between Intelligent Key unit connector terminals 17, 19, 37 and ground with an oscilloscope.
   OUTSIDE KEY ANTENNA POWER SUPPLY
   
   

   Connector	Item	Terminals		Condition	Signal (Reference value)
   		(+)	(-)
   M52	Rear bumper	17	Ground	Request switch is pushed	Courtesy of NISSAN MOTOR CO., U.S.A.
   	LH side	19
   	RH side	37

Fig 3: Checking Signal Between Intelligent Key Unit Connector Terminals 17, 19, 37 And Ground

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

OK or NG 

OK: Replace outside key antenna.

NG: Replace Intelligent Key unit. Refer to "REMOVAL AND INSTALLATION OF INTELLIGENT KEY UNIT ".