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Home >> Toyota >> 2011 >> Avalon Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Symptom Tests) >> Navigation System >> DTC B15A0: LAN Master Malfunction (TO 12/2010); DTC B15AD: Navigation Processor Malfunction (TO 12/2010); DTC B15B3: Radio Tuner Malfunction (TO 12/2010); DTC B15B4: CD Changer Malfunction (TO 12/2010); DTC B15B7: Bluetooth Module Malfunction (TO 12/2010) >> Description
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DTC B15A0: LAN Master Malfunction (TO 12/2010); DTC B15AD: Navigation Processor Malfunction (TO 12/2010); DTC B15B3: Radio Tuner Malfunction (TO 12/2010); DTC B15B4: CD Changer Malfunction (TO 12/2010); DTC B15B7: Bluetooth Module Malfunction (TO 12/2010): Description

These DTCs are stored when a malfunction occurs in the navigation receiver assembly.

DTC No. DTC Detection Condition Trouble Area
B15A0 When either condition below is met:
  • Bus malfunction
  • Sub-microprocessor malfunction
Navigation receiver assembly
B15AD When either condition below is met:
  • A short to ground, short to +B or open occurs in the gyro signal circuit
  • Gyro sensor malfunction
B15B3 Tuner communication error
B15B4 When one of the conditions below is met:
  • Mechanism drive signal malfunction
  • Load/Eject malfunction
  • Read mechanism malfunction
  • Mechanical malfunction
B15B7 "Bluetooth" module malfunction