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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual, Navigation System >> BOSE Audio With Navigation >> Component Diagnosis >> Mode Change Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK CONTINUITY MODE CHANGE SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect BOSE amp. connector and AV control unit connector.
    3. Check continuity between BOSE amp. harness connector and AV control unit harness connector.
      CONTINUITY REFERENCE CHART

      BOSE amp. AV control unit Continuity
      Connector Terminal Connector Terminal
      B41 17 M87 44 Existed
    4. Check continuity between BOSE amp. harness connector and ground.
      CONTINUITY REFERENCE CHART

      BOSE amp. Ground Continuity
      Connector Terminal
      B41 17 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK MODE CHANGE SIGNAL
    1. Connect BOSE amp. connector.
    2. Turn ignition switch ON.
    3. Check voltage between BOSE amp. harness connector and ground.
      VOLTAGE REFERENCE CHART

      (+) (-) Voltage (Approx.)
      BOSE amp.
      Connector Terminal
      B41 17 Ground 8.5 V

      Is the inspection result normal? 

      YES: Replace AV control unit.

      NO: Replace BOSE amp.

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