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Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (Base Without Navigation) -- Convertible >> DTC/Circuit Diagnosis >> Request Signal Circuit (Sat→Cont) >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CONTINUITY REQUEST SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect satellite radio tuner connector and AV control unit connector.
    3. Check continuity between satellite radio tuner harness connector and AV control unit harness connector.
      CONTINUITY SPECIFICATION

      Satellite radio tuner AV control unit Continuity
      Connector Terminal Connector Terminal
      B236 8 M82 28 Existed
    4. Check continuity between satellite radio tuner harness connector and ground.
      CONTINUITY SPECIFICATION

      Satellite radio tuner Ground Continuity
      Connector Terminal
      B236 8 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK COMMUNICATION SIGNAL
    1. Connect satellite radio tuner connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between satellite radio tuner harness connector and ground.
      SIGNAL SPECIFICATION

      (+) (-) Condition Reference value
      Satellite radio tuner
      Connector Terminal
      B236 8 Ground When satellite radio mode is selected.
      G04890005Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace AV control unit.

      NO: Replace satellite radio tuner.

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