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Home >> Infiniti >> 2014 >> Q60 Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (BOSE Audio With Navigation) (Convertible) >> DTC/Circuit Diagnosis >> Steering Switch Signal B Circuit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK STEERING SWITCH SIGNAL B CIRCUIT 
    1. Disconnect AV control unit connector and spiral cable connector.
    2. Check continuity between AV control unit harness connector and spiral cable harness connector.
      AV control unit Spiral cable Continuity
      Connector Terminal Connector Terminal
      M208 16 M36 31 Existed
    3. Check continuity between AV control unit harness connector and ground.
      AV control unit Ground Continuity
      Connector Terminal
      M208 16 Not existed

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair harness or connector.

  2. CHECK SPIRAL CABLE 

    Check spiral cable.

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Replace spiral cable.

  3. CHECK AV CONTROL UNIT VOLTAGE 
    1. Connect AV control unit connector and spiral cable connector.
    2. Turn ignition switch ON.
    3. Check voltage between AV control unit harness connector.
      (+) (-) Voltage (Approx.)
      AV control unit AV control unit
      Connector Terminal Connector Terminal
      M208 16 M208 15 5.0 V

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Replace AV control unit. Refer to "EXPLODED VIEW ".

  4. CHECK STEERING SWITCH 
    1. Turn ignition switch OFF.
    2. Check steering switch. Refer to "COMPONENT INSPECTION ".

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace steering switch. Refer to "EXPLODED VIEW ".