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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART

Terms Meaning
Physical address Three-digit code (shown in hexadecimal) which is given to each component comprising the AVC-LAN.
Physical address Corresponding to the function, individual symbols are specified.
Logical address Two-digit code (shown in hexadecimal) which is given to each function comprising the inner system of the AVC-LAN.

HINT:

Tittles for each unit are stated in the following order: physical address (part name)

  1. (RADIO RECEIVER ASSY) 

    HINT:

    • *1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
    • *2: The code is stored 180 seconds after the power supply connector is disconnected after engine start.
    • *3: The code may be stored when the engine key is turned to the START position again 1 minute after engine start.
    • *4: The code may be stored when the engine key is turned to the START position again after engine start.
    • *5: The code is stored 210 seconds after the master component power supply connector is disconnected with the ignition switch in the ACC or ON position.
    1. Logical address: 01 (Communication control)

      HINT:

      When inspecting the communication system as shown in the DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION CONTROL (190)  below, refer to the following:

      • If "440" is output as a physical address, refer to AVC-LAN CIRCUIT (RADIO RECEIVER ASSY - STEREO COMPONENT AMPLIFIER ASSY  .).
      • If "1F6" or "16C" is output as a physical address, refer to AVC-LAN CIRCUIT (MULTI-DISPLAY CONTROLLER SUB-ASSY - RADIO RECEIVER ASSY  .).
        1. Logical address: 01 (Communication control)
          DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION CONTROL (190)

          DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
          D6 (1) Absence of Master Component in which this code is recorded was disconnected from system or master component with ignition switch in ACC or ON.
          D8 (2) No Response to Connection Check Component shown by sub code is or was disconnected from system after engine start.
          • Check harness for power supply system of component shown by sub code.
          • Check harness for communication system of component shown by sub code.
          D9 (1) Last Mode Error Audio or visual component operated before engine stop is or was disconnected with ignition switch in ACC or ON.
          • Check harness for power supply system of component shown by sub code.
          • Check harness for communication system of component shown by sub code.
          DA No Response to ON/OFF Instruction No response is identified when changing mode (audio and visual mode change). Sound and picture does not change by button operation.
          • Check harness for power supply system of component shown by sub code.
          • Check harness for communication system of component shown by sub code.
          • If error occurs again, replace component shown by sub code.
          DB (1) Mode Status Error Dual alarm is detected.
          • Check harness for power supply system of component shown by sub code.
          • Check harness for communication system of component shown by sub code.
          DC (3) Transmission Error Transmission to component shown by auxiliary code has been failed.
          (Detecting this DTC does not necessarily mean actual failure.)          		 If same sub code is recorded in other component, check harness for power supply and communication system of all components shown by code.
          (If not, delete DTC and recheck.)
          DD (4) Master Reset (Momentary Interruption) After the engine was started, master component was disconnected from system.
          DE (4) Slave Reset (Momentary Interruption) After the engine was started, component shown by sub code was disconnected from system.
          • Check harness for power supply of component shown by sub code.
          • Check harness for communication system of component shown by sub code.
          DF (4) Master Error Due to defective cognition of component with a display, master function is switched to audio equipment.
          Error occurs in communication between sub-master (audio) and master component.
          E0 (1) Registration Completion Instruction Error "Registration Completion Instruction" command from master cannot be received. Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
          E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from master component. Replace radio receiver assy (See REPLACEMENT ).
          E3 (1) Registration Request Transmission Registration Request command is output from component shown by sub code.
          Receiving Connection Check Instruction, Registration Request command is output from sub-master component.          		 Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
          E4 (1) Multiple Frame Abort Multiple frame transmission is aborted. Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
          (1) Even if no failure is detected, trouble code may be stored depending on the battery condition or voltage for starting the engine.
          (2) The code is stored 180 seconds after the power supply connector is disconnected after engine start.
          (3) The code may be stored when the engine key is turned 1 minute after engine start.
          (4) The code may be stored when the engine key is turned again after engine start.
    2. Logical address: 61 (Cassette switch)
      DIAGNOSTIC TROUBLE CODE CHART - CASSETTE SWITCH (190)

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      40 Mechanical Error of Media Malfunction due to mechanical failure is identified.
      Either that, or cassette tape is cut or entangled.
      • Inspect cassette tape.
      • Replace radio receiver assy (See REPLACEMENT ).
    3. Logical address: 62 (CD player)
      DIAGNOSTIC TROUBLE CODE CHART - CD PLAYER (190)

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      42 No Disc Readout Disc cannot be read.
      • Inspect CD.
      • Replace radio receiver assy (See REPLACEMENT ).
      44 CD player Error Error is detected in CD player. Replace radio receiver assy (See REPLACEMENT ).
      47 Detection of high temperature High temperature is detected in CD player. With ignition switch off, leave vehicle in cool shaded place for a while and recheck. After deleting the DTC memory, if same code detected, replace radio receiver assy.
      48 Detection of excess current Excess current is applied CD player. Replace radio receiver assy (See REPLACEMENT ).
    4. Logical address: 62 (In-dash CD changer)
      DIAGNOSTIC TROUBLE CODE CHART - IN-DASH CD CHANGER (190)

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      42 No Disc Readout Disc cannot be read.
      • Inspect CD.
      • Replace radio receiver assy (See REPLACEMENT ).
      44 CD player Error Error is detected in CD player. Replace radio receiver assy (See REPLACEMENT ).
      47 Detection of high temperature High temperature is detected in CDCH. With ignition switch off, leave vehicle in cool shaded place for a while and recheck. After deleting the DTC memory, if dame code detected, replace radio receiver assy.
      48 Detection of excess current Excess current is applied CDCH. Replace radio receiver assy (See REPLACEMENT ).
  2. (STEREO COMPONENT AMPLIFIER ASSY) 

    HINT:

    • *1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
    • *2: The code may be stored when the engine key is turned to the START position again 1 minute after engine start.
    • *3: The code may be stored when the engine key is turned to the START position again after engine start.
    • *4: The code is stored 210 seconds after the master component power supply is disconnected with the ignition switch in the ACC or ON position.

      Logical address: 01 (Communication control)

      DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION CONTROL (440)

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      D6 (1) Absence of Master Component in which this code is recorded was disconnected from system with ignition in ACC or ON. Either that, or radio receiver assy was disconnected when this code was recorded.
      D7 Communication Check Error Component in which this code is recorded is or was disconnected from system after engine start. Either that, or radio receiver assy was disconnected when this code was recorded.
      DC (2) Transmission Error Transmission to component shown by auxiliary code failed.
      (Detecting this DTC does not necessarily mean actual failure.)      		 If same auxiliary code is recorded in other components, check harness for power supply and communication system of all components shown by code.
      DD (3) Master Reset (Momentary Interruption) After engine was started, radio receiver assy was disconnected from system.
      DF (4) Master Error Due to defective condition of component with a display, master function is switched to audio equipment.
      Error occurs in communication between sub-master (audio) and master component.
      E0 (1) Registration Completion Instruction Error "Registration Completion Instruction" command from master cannot be received. Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
      E1 (1) Audio processor ON error While source equipment is operating, AMP output stops.
      E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from radio receiver assy. Replace radio receiver assy (See REPLACEMENT ).
      E3 (1) Registration Request Transmission
      • Registration Request command is output from slave component.
      • Registration Connection Check Instruction and Registration Request command are output from sub-master component.
      		 Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
      (1) Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
      (2) The code may be stored when the engine key is turned again 1 minute after engine start.
      (3) The code may be stored when the engine key is turned again after engine start.
      (4) The code is stored 210 seconds after the master component power supply is disconnected with the ignition switch in the ACC or ON position.
  3. 1F6,16C (MULTI-DISPLAY CONTROLLER SUB-ASSY) 

    HINT:

    • *1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
    • *2: The code is stored 180 seconds after the power supply connector is disconnected after engine start.
    1. Main(1F6)

      Logical address: 01 (Communication control)

      DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION CONTROL (1F6)

      DTC Diagnosis item Condition Countermeasure and inspected parts
      21 ROM Error Abnormal condition of ROM is detected. Replace multi-display controller sub-assy (See REPLACEMENT ).
      22 RAM Error Abnormal condition of RAM is detected. Replace multi-display controller sub-assy (See REPLACEMENT ).
      D1 (1) Registered component disconnected AVC-LAN transmitting abnormalities Component shown by sub-code is or was disconnected from system with ignition switch in ACC or ON.
      Communication with component shown by sub-code is not ensured when engine is started.
      • Check harness for power supply of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      D7 (2) No response to connection check Component shown by sub-code is or was disconnected from system after engine start.
      • Check harness for power supply of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      D7 (2) AVC-LAN Communication Check Error Component in which this code is recorded is or was disconnected from system after engine start. Either that, or multi-display controller sub-assy was disconnected when this code was recorded.
      D6 (1) Absence of Master Component in which this code is recorded was disconnected from system with ignition switch in ACC or ON. Either that, or multi-display controller sub-assy was disconnected when this code was recorded.
      D7 (2) Connection Check Error Component in which this code is recorded was disconnected from system after engine start. Either that, or multi-display controller sub-assy was disconnected when this code was recorded.
      DC *3 Transmission Error Transmission to component shown by sub-code failed.
      (This code does not necessarily mean actual failure.)      		 If same sub-code is recorded in other components), check harness for power supply and communication system of all components shown by code.
      DD *4 Master Reset (Momentary Interruption) Master component was disconnected after engine start.
      E0 (1) Registration Completion Instruction Error "Registration Completion Instruction" command from master cannot be received. Since this DTC is provided for engineering, it may be detected when no actual failure exists.
      E3 (1) Registration Request Transmission
      • Registration Request command is output from slave component.
      • Registration Request command is output from sub-master component.
      		 Since this DTC is provided for engineering, it may be detected when no actual failure exists.
      DF *4 Master Error Due to defective condition of component with a display, master function is switched to audio equipment.
      Error occurs in communication between sub-master (audio) and master component.
      E4 (1) Multiple Frame Abort Multiple frame transmission is aborted. Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
      (1) Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
      (2) The code is stored 180 seconds after the power supply connector is disconnected after engine start.
    2. Sub (16C)-AVC-LAN L-1

      Logical address: 01 (Communication control)

      DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION CONTROL (16C)

      DTC Diagnosis item Condition Countermeasure and inspected parts
      D8 (2) No Response To Connection Check Component shown by sub-code is or was disconnected from system after engine start.
      • Check harness for power supply system of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      D9 (1) Last Mode Error Component operated (sound and/or image was provided) before engine stop is or was disconnected with ignition switch in ACC or ON.
      • Check harness for power supply of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      DA No Response to ON/OFF Instruction No response is identified when changing mode (audio and visual mode change).
      Sound and picture does not change by button operation
      • Check harness for power supply system of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      • If error occurs again, replace component shown by auxiliary code
      DB (1) Mode Status Error Dual alarm is detected.
      • Check harness for power supply system of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      DC *4 Transmission Error Transmission to component shown by sub-code failed.
      (This code does not necessarily mean actual failure.)      		 If same sub-code is recorded in other components), check harness for power supply and communication system of all components shown by code.
      DE *3 Slave Reset (Momentary Interruption) After engine start, slave component was disconnected.
      • Check harness for power supply system of component shown by sub-code.
      • Check harness for communication system of component shown by sub-code.
      E4 (1) Multiple Frame Abort Multiple frame transmission is aborted. Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
      (1) Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting the engine.
      (2) The code is stored 180 seconds after the power supply connector is disconnected after engine start.
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