Check Inside Key Antenna

INSIDE KEY ANTENNA POWER SUPPLY CIRCUIT INSPECTION
Push ignition knob and use an oscilloscope to check voltage waveform between Intelligent Key unit connector M34 terminals 13 (luggage room), 15 (dash board), 35 (dash board) and ground.

Fig 1: Outside Key Antenna Connector Voltage Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 2.
2. NG: GO TO 3 .
  
  Fig 2: Inspecting Inside Key Antenna Power Supply Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
INSIDE KEY ANTENNA OPERATION INSPECTION
1. Disconnect inside key antenna connector.
2. Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1 and 2.
  1-2: Continuity should exist.
OK or NG
1. OK: GO TO 3.
2. NG: Replace malfunctioning inside key antenna.
  
  Fig 3: Inspecting Inside Key Antenna Operation
  Courtesy of NISSAN MOTOR CO., U.S.A.

INSIDE KEY ANTENNA INSPECTION

Disconnect Intelligent Key unit connector.

Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1, 2 and Intelligent Key unit connector terminals 13,14,15,16, 35 and 36.

INSIDE KEY ANTENNA CONNECTOR CONTINUITY SPECIFICATIONS

Inside key antenna-3 (Luggage room)	1 (OR/L)-13(Y): Continuity should exist.
	2 (W/L)-14(BR): Continuity should exist.
Inside key antenna-1 (Dash board)	1 (W/R) -15 (W/R): Continuity should exist.
	2 (B/R) -16 (B/R): Continuity should exist.
Inside key antenna-2 (Dash board)	1 (LG) - 35 (LG): (PU) - 36 (PU): Continuity should exist.
	2 (PU) -36 (PU): Continuity should exist.

Fig 4: Inspecting Inside Key Antenna

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

Check continuity between inside key antenna connector M70, M153 (dash board), B68 (luggage room) terminals 1 and 2 and ground.

INSIDE KEY ANTENNA CONNECTOR CONTINUITY SPECIFICATIONS

Inside key antenna-3 (Luggage room)	1 (OR/L) - Ground: Continuity should not exist.
	2 (W/L) - Ground: Continuity should not exist.
Inside key antenna-1 (Dash board)	1 (W/R) - Ground: Continuity should not exist.
	2 (B/R) - Ground: Continuity should not exist.
Inside key antenna-2 (Dash board)	1 (LG) - Ground: Continuity should not exist.
	2 (PU) - Ground: Continuity should not exist.

OK or NG

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