LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door & Lock (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2622: Inside Antenna >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

    1. Turn Ignition Switch ON.
    2. Check signal between BCM harness connector and ground using oscilloscope.
      (+) (-) Condition Signal
      (Reference Value)
      BCM
      Connector Terminal
      M16 116 Ground Ignition Switch ON and any door is open When Intelligent Key is not in the antenna detection area
      GNSJSMIA1348GB-348Courtesy of NISSAN NORTH AMERICA, INC.
      When Intelligent Key is in the antenna detection area
      GNSJSMIA1406GB-406Courtesy of NISSAN NORTH AMERICA, INC.
      128 When Intelligent Key is not in the antenna detection area
      GNSJMMIA2291GB-291Courtesy of NISSAN NORTH AMERICA, INC.
      When Intelligent Key is in the antenna detection area
      GNSJMMIA2290GB-290Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 2  .

  2. CHECK INSIDE KEY ANTENNA CIRCUIT

    1. Turn Ignition Switch OFF.
    2. Disconnect BCM connector and Inside Key Antenna (Console) connector.
    3. Check continuity between BCM harness connector and Inside Key Antenna (Console) harness connector.
      BCM Inside Key Antenna (Console) Continuity
      Connector Terminal Connector Terminal
      M16 116 M114 1 Existed
      128 2
    4. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M16 116 Not existed
      128

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

    1. Replace Inside Key Antenna (Console). (New antenna or other antenna)
    2. Connect BCM connector and Inside Key Antenna (Console) connector.
    3. Turn Ignition Switch ON.
    4. Check signal between BCM harness connector and ground using oscilloscope.
      (+) (-) Condition Signal
      (Reference Value)
      BCM
      Connector Terminal
      M16 116 Ground Ignition Switch ON and any door is open When Intelligent Key is not in the antenna detection area
      GNSJSMIA1348GB-348Courtesy of NISSAN NORTH AMERICA, INC.
      When Intelligent Key is in the antenna detection area
      GNSJSMIA1406GB-406Courtesy of NISSAN NORTH AMERICA, INC.
      128 When Intelligent Key is not in the antenna detection area
      GNSJMMIA2291GB-291Courtesy of NISSAN NORTH AMERICA, INC.
      When Intelligent Key is in the antenna detection area
      GNSJMMIA2290GB-290Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace Inside Key Antenna (Console).

    NO 

    Replace BCM. Refer to REMOVAL AND INSTALLATION .