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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2002 Lexus SC 430. 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.
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.
  1. PHYSICAL ADDRESS: 190 RADIO RECEIVER ASSY 
    1. Logical address: 01 (Communication control)
      RADIO RECEIVER ASSY - COMMUNICATION CONTROL

      DTC Diagnosis item Description Action to be taken
      D6 (1) Absence of Master Component in which this code is recorded had been disconnected from system or master component with ignition in ACC or ON.
      • Check harness for power supply system of radio receiver assy.
      • Check harness for communication system of radio receiver assy.
      D7 (5) Connection check Error Component in which this code is recorded had been disconnected from system or master component ignition with in ACC or ON.
      • Check harness for power supply of radio receiver assy.
      • Check harness for communication system of radio receiver assy.
      D8 (2) No Response to Connection Check Component shown by sub code is or had been disconnected from system after engine start. D9
      • 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 had been 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). Detected when 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 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 engine is started, master component had been disconnected from system.
      • Check harness for power supply system of multi-display.
      • Check harness for communication system of radio receiver assy.
      • If this error occurs frequently, replace radio receiver assy.
      DE (4) Slave Reset (Momentary Interruption) After engine is started, component shown by sub code had been 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 condition of component with a display, master function is switched to audio equipment.
      Error occurs in communication between sub-master (audio) and master component.
      • Check harness for power supply of radio receiver assy.
      • Check harness for communication system of radio receiver assy.
      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 is stopped.
      • Check harness for power supply of radio receiver assy.
      • Check harness for communication system of radio receiver assy.
      E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from master component. Replace radio receiver assy
      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.
      (1) Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
      (2) It is stored when 180 sec. has passed after the power supply connector is pulled out after engine start.
      (3) It may be stored when the engine key is turned 1 min. after engine start.
      (4) It may be stored when the engine key is turned again after engine start.
      (5) When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.
    2. Logical address: 61 (Cassette switch)
      RADIO RECEIVER ASSY - CASSETTE SWITCH

      DTC Diagnosis item Description Action to be taken
      50 Mechanical Error of Media Malfunction due to mechanical failure is identified.
      Or cassette tape is cut or entangled.
      • Inspect cassette tape.
      • Replace radio receiver assy.
    3. Logical address: 63 (CD player)
      RADIO RECEIVER ASSY - CD PLAYER

      DTC Diagnosis item Description Action to be taken
      60 CD player Error Error is detected in CD player. Replace radio receiver assy.
      61 EJECT Error Magazine cannot be ejected. Replace radio receiver assy.
      62 Scratched/Reversed Disc Scratches or dirt is found on CD surface or CD is set upside down. Inspect CD.
      68 CD changer elevator error Mechanical error occurred during elevator operation Replace CD player
  2. STEREO COMPONENT AMPLIFIER (Physical address: 440) 

    Logical address: 01 (Communication control)

    STEREO COMPONENT AMPLIFIER - COMMUNICATION CONTROL

    DTC Diagnosis item Condition Countermeasure and inspected parts
    D6 (1) Absence of Master Component in which this code is recorded has been disconnected from system with ignition in ACC or ON. Or, when this code was recorded, radio receiver assy was disconnected.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for power supply of stereo component amplifier.
    • Check harness for communication system of stereo component amplifier.
    D7 Communication Check Error Component in which this code is recorded is or was disconnected from system after engine start. Or, when this code was recorded, radio receiver assy was disconnected.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for power supply of stereo component amplifier.
    • Check harness for communication system of stereo component amplifier.
    DC (2) Transmission Error Transmission to component shown by auxiliary code has been failed.
    (Detecting this DTC does not necessarily mean actual failure.)    		 If same auxiliary code is recorded in other component, 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.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for power supply of stereo component amplifier.
    • Check harness for communication system of stereo component amplifier.
    • If this error occurs frequently, replace radio receiver assy.
    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.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for communication system between radio receiver assy and sub-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 is stopped.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from radio receiver assy. Replace radio receiver assy.
    E3 (1) Registration Request Transmission
    • Registration Request command is output from slave component.
    • Registration 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.
    (1) Even if no failure is detected, this code may be stored depending on the battery condition or voltage for starting an engine.
    (2) This code be stored when the engine key is turned again 1 min. after engine start.
    (3) This code may be stored when the engine key is turned again after engine start.
    (4) When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.
  3. GATEWAY ECU (Physical address: 1C6) 

    Logical address: 01 (Communication control)

    GATEWAY ECU - COMMUNICATION CONTROL

    DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
    D6 (1) Absence of Master Component in which this code is recorded has been disconnected from system with ignition in ACC or ON. Or, when this code was recorded, radio receiver assy was disconnected.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for power supply of gateway ECU.
    • Check harness for communication system of gateway ECU.
    D7 (4) Communication Check Error Component in which this code is recorded is or was disconnected from system after engine start. Or, when recording this code, radio receiver assy was disconnected.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for power supply of gateway ECU.
    • Check harness for communication system of gateway ECU.
    DC (2) Transmission Error Transmission to component shown by auxiliary code has been failed. (Detecting this DTC does not necessarily mean actual failure.) If same auxiliary code is recorded in other component, check harness for power supply and communication system of all components shown by code.
    DD (3) Master Reset (momentary Interruption) After engine is started, radio receiver assy was disconnected from system.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • If this error occurs frequently, replace radio receiver assy.
    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 radio receiver assy.
    • Check harness for power supply of radio receiver assy.
    • Check harness for communication system of radio receiver assy.
    • Check harness for communication system between radio receiver assy and sub-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.
    E3 (1) Registration Request Transmission Registration Request command is output from slave component. 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.
    (1) Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
    (2) It may be stored when the engine key is turned 1 min. again after engine start.
    (3) It may be stored when the engine key is turned again after engine start.
    (4) When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.
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