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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEEXTERIOR BODY PANELSBODY, LOCK & SECURITY SYSTEMSERVICE INFORMATIONINTELLIGENT KEY SYSTEMINSIDE KEY ANTENNA CHECK
2012 Nissan-Datsun Sentra SE-R

Inside Key Antenna Check

2012 Nissan-Datsun Sentra SE-RSECTION Inside Key Antenna Check
NOTE: The Signal Tech II tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength
  1. CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
    1. Turn ignition switch OFF.
    2. Check signal between Intelligent Key unit connector and ground with an oscilloscope.
      Connector Item Terminals Condition Signal (V) (Reference value)
      (+) (-)
      M42 Rear parcel shelf antenna 33 Ground Any door is open → All doors are closed
      G04916785
      Front console antenna 15 Ground Ignition switch is pushed.
      Instrument panel antenna 13
      Fig 1: Checking Inside Key Antenna Power Supply Signal
      G04916848Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Inside key antenna is OK.

      NG: GO TO 2.

  2. CHECK INSIDE KEY ANTENNA
    1. Disconnect Intelligent Key unit connector and inside key antenna connectors.
    2. Check continuity between inside key antenna harness connector M25 (B) (instrument panel), B18 (B) (front console), B45 (B) (rear parcel shelf) terminals 1, 2 and Intelligent Key unit harness connector M42 (A) terminals 13, 14, 15, 16, 33 and 34.
      Item Connector Terminal Connector Terminal Continuity
      Instrument panel antenna B: M25 2 A: M42 13 Yes
      1 14
      Front console antenna B: B18 1 15
      2 16
      Rear parcel shelf antenna B: B45 1 33
      2 34
    3. Check continuity between Intelligent Key unit harness connector M42 (A) terminals 13, 14, 15, 16, 33, 34 and ground.
      Item Connector Terminals Continuity
      Intelligent Key unit A: M42 13 Ground No
      14
      15
      16
      33
      34
      Fig 2: Checking Inside Key Antenna
      G04916849Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO 3.

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

  3. CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL
    1. Replace inside key antenna. (New antenna or other antenna)
    2. Connect Intelligent Key unit connector.
    3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
      Connector Item Terminals Condition Signal (V) (Reference value)
      (+) (-)
      M42 Rear parcel shelf antenna 33 Ground Any door is open → All doors are closed
      G04916785
      Front console antenna 15 Ground Ignition switch is pushed.
      Instrument panel antenna 13
      Fig 3: Checking Inside Key Antenna Power Supply Signal
      G04916848Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Replace inside key antenna.

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

RENDER: 1.0x

NO RELATED

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