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Diagnostic Trouble Code Chart

TERMS DESCRIPTION

Terms Description
Physical address 3-digit, hexadecimal code assigned to all components connected to the AVC-LAN. Individual symbols are specified based on function. Units whose names are unknown or relevant units are displayed with physical addresses.
Logical address 2-digit, hexadecimal code assigned to all the functions in the AVC-LAN system

HINT:

Titles for each unit are stated in the following order: parts name (physical address) [Name indicated by DTC]

  1. RADIO AND NAVIGATION ASSY (physical address: 140) [AVN] 
    1. Logical address: 01 (Communication control)

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      Fig 1: Diagnosis Table Of Logical Address: 01
      G02938399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • *1: This code may be recorded depending on the battery condition or engine start voltage even if no failure is detected.
      • *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
      • *3: This code may be stored if the ignition key is turned to the START position again with the engine running.
      • *4: This code may be stored if the ignition key is held in the START position for 1 minute or more before returning to the ON position.
      • *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
    2. The inspection list for the device indicated by the sub code

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      Fig 2: Verification Table
      G02938400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Logical address: 21 (SW): 23 (SW with name): 24 (SW converting): 25 (command SW)

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      DIAGNOSTIC

      DTC Name Diagnosis Verification See
      10 Panel switch error The panel SW detection circuit has a failure. Replace radio and navigation assy RADIO RECEIVER ASSY
    4. Logical address: 58 (Navigation): 80 (GPS)

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      Fig 3: Diagnosis Table Of Logical Add: 21
      G02938401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. STEREO COMPONENT AMPLIFIER ASSY (Physical address: 440) [DSP AMP] 
    1. Logical address: 01 (Communication control)

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      Fig 4: Diagnosis Table Of Logical Add:01
      G02938402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • *1: This code may be recorded depending on the battery condition or engine start voltage even if no failure is detected.
      • *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
      • *3: This code may be stored if the ignition key is turned to the START position again with the engine running.
      • *4: This code may be stored if the ignition key is held in the START position for 1 minute or more before returning to the ON position.
      • *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
  3. DISC PLAYER CHANGER (Physical address: 360) [CD-CH1] 
    1. Logical address: 01 (Communication control)

      HINT:

      Methods used to verify the cause of the problem are listed in order of probability in the verification column.

      Fig 5: Diagnosis Table Of Logical Add:01
      G02938403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • *1: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
      • *2: If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.
      • *3: This code may be stored if the ignition key is turned again after the engine starts.
      • *4: This code may be stored if the ignition key is held in the START position for one minute or more before returning to the ON position.
      • *5: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
    2. Logical address: 43 (CD auto changer)

    HINT:

    Methods used to verify the cause of the problem are listed in order of probability in the verification column.

    Fig 6: Diagnosis Table Of Logical Add: 43
    G02938404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002