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Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (BOSE With Navigation) -- Convertible >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> BOSE Amp. >> BOSE AMP. : Diagnosis Procedure
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BOSE AMP. : Diagnosis Procedure

  1. CHECK FUSE

    Check for blown fuses.

    BLOWN FUSES REFERENCE CHART

    Power source Fuse No.
    Battery 5, 8
    Ignition switch ACC or ON 19

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Be sure to eliminate cause of malfunction before installing new fuse.

  2. CHECK POWER SUPPLY CIRCUIT

    Check voltage between BOSE amp. harness connector and ground.

    CONNECTOR TERMINALS VOLTAGE REFERENCE CHART

    Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
    Battery power supply B42 50 OFF Battery voltage
    51
    ACC power supply B41 16 ACC Battery voltage

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Check harness between BOSE amp. and fuse.

  3. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect BOSE amp. connector.
    3. Check continuity between BOSE amp. harness connector and ground.
      CONNECTOR TERMINALS CONTINUITY REFERENCE CHART

      Signal name Connector No. Terminal No. Ignition switch position Continuity
      Ground B42 47 OFF Existed
      52

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Repair harness or connector.

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