LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Audio System - Diagnosis) >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Diagnostic Trouble Chart
G01578574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

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

  1. RADIO RECEIVER ASSY (Physical address: 190) [AUDIO H/U] 
    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 2: Radio Receiver Assembly Diagnosis Chart
      G01578575Courtesy 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: 62 (CD): 63 (CD changer)

      HINT:

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

      Fig 3: CD Changer Diagnosis Chart
      G01578576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Logical address: 61 (Cassette)

    HINT:

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

    Fig 4: Cassette System Diagnosis Chart
    G01578577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. TELEPHONE TRANSCEIVER AND SPEAKER RELAY (Physical address: 17D) [TEL] 
    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: Telephone Transceivers And Speaker Chart
      G01578578Courtesy 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: 57 (telephone information drawing): 68 (TEL)

    HINT:

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

    Fig 6: Diagnosis Malfunction Diagnosis Chart
    G01578579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. AUDIO AND REAR A/C CONTROL SW (Physical address: 1CO) [Rr-CONT] 
    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 7: Audio And Rear A/C Control Diagnosis Chart
    G01578580Courtesy 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.
  4. GATEWAY ECU (Physical address: 1C6) [G/W] 
    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 8: GATEWAY ECU Diagnosis Chart
    G01578581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    This code is stored 210 seconds after the power supply connector of the master component is disconnected with the ignition switch in the ACC or ON position.

  5. STEREO COMPONENT TUNER (Physical address: 1FO) [RADIO TUNER] 
    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 9: Stereo Component Tuner Diagnosis Chart
      G01578582Courtesy 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: 60 (Radio)

    HINT:

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

    Fig 10: Stereo Component Tuner Diagnosis Chart
    G01578583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. 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 11: Stereo Component Amplifier Assembly Diagnosis Chart
    G01578584Courtesy 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.
  7. 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 12: Inspection List For Device Indicated By Sub Code
    G01578585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals