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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System (W/O Navigation Display) (W/O Multi-Display) (Diagnostics & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System without Multi-display) >> DTC CB-45: USB Communication Error; DTC CB-46: iPod Control Error; DTC CB-47: iPod Communication Error >> Procedure

DTC CB-45: USB Communication Error; DTC CB-46: iPod Control Error; DTC CB-47: iPod Communication Error: Procedure

  1. REPLACE USB DEVICE OR "iPod" 
    1. Disconnect the USB device or "iPod" from the No. 1 stereo jack adapter assembly.
    2. Turn the engine switch off.

      HINT: 

      When one of these DTCs has been stored, it is necessary to turn off the engine switch to make it possible for the vehicle to recognize a new device when it is connected.

    3. Turn the engine switch on (ACC).
    4. Connect a known good USB device or "iPod" to the No. 1 stereo jack adapter assembly.

      HINT: 

      If the malfunction occurred when a USB device was in use, use another USB device for the inspection. If the malfunction occurred when an "iPod" was in use, use another "iPod" for the inspection.

    NEXT: Go to next step 

  2. CLEAR DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR .

    NEXT: Go to next step 

  3. RECHECK FOR DTC 
    1. Recheck for DTCs and check if the same DTC is output again.

      HINT: 

      If DTCs are detected frequently, replace the multi-media interface ECU.

      OK

      No DTCs are output.

    NG → See step   4 

    OK → USB DEVICE OR "iPod" WAS DEFECTIVE 

  4. REPLACE MULTI-MEDIA INTERFACE ECU. Refer to  REMOVAL