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Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Audio, Visual And Navigation System) >> BOSE Audio Without Navigation >> DTC/Circuit Diagnosis >> Request Signal Circuit (Sat To Audio) >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY REQUEST SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect satellite radio tuner connector and audio unit connector.
    3. Check continuity between satellite radio tuner unit harness connector and audio unit harness connector.
      CONTINUITY SPECIFICATION

      Satellite radio tuner Audio unit Continuity
      Connector Terminal Connector Terminal
      B236 8 M83 38 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 inspection result OK? 

    YES: Go to 2.

    NO: Repair harness or connector.

  2. CHECK AUDIO UNIT
    1. Connect audio unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between audio unit harness connector and ground.
    VOLTAGE SPECIFICATION

    Audio unit Ground Voltage (Approx.)
    Connector Terminal
    M83 38 4.0 V

    Is inspection result OK? 

    YES: Go to 3.

    NO: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

  3. CHECK CONTINUITY REQUEST SIGNAL
  1. Turn ignition switch OFF.
  2. Connect satellite radio tuner connector.
  3. Turn ignition switch ON.
  4. Check signal between satellite radio tuner harness connector and ground.
SATELLITE RADIO TUNER CONDITION

Satellite radio tuner Ground Condition Reference value
Connector Terminal
B236 8 When satellite radio mode is selected.
G05373181Courtesy of NISSAN MOTOR CO., U.S.A.

Is inspection result OK? 

YES: INSPECTION END

NO: Replace satellite radio tuner. Refer to "REMOVAL AND INSTALLATION ".