LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> RX 400h FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Navigation) >> DTC Check/Clear
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Check/Clear

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. START DIAGNOSTIC MODE 

    HINT:

    • The illustrations may differ depending on the device settings (option, etc.). Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    • After the ignition switch is turned ON, check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.
    1. There are 2 methods to start diagnostic mode. Start the mode by using one of them.
    2. Method 1
      1. Start the engine.
      2. While pressing and holding the "INFO" switch, operate the "TAIL" switch, OFF -> TAIL -> OFF -> TAIL -> OFF -> TAIL -> OFF.
        Fig 1: Pressing And Holding INFO Switch Operating TAIL
        G04438650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. The diagnostic mode starts and the "Service Check" screen will be displayed. The service inspection starts automatically and the result will be displayed.
    3. Method 2
      1. Start the engine.
      2. Press the "DISPLAY" switch.
        Fig 2: Pressing DISPLAY Switch
        G04438651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. From the display adjustment screen, touch the corners of the screen in the following order: upper left -> lower left -> upper left -> lower left - upper left -> lower left.
      4. The diagnostic mode starts and the "Service Check" screen will be displayed. The service inspection starts automatically and the result will be displayed.
        Fig 3: Displaying Touch Screen
        G04438652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Diagnosis MENU

      Press the menu switch on the service check screen. The diagnostic window will be displayed.

      Fig 4: Display System Check Mode & Diagnosis MENU
      G04438653Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. FINISH DIAGNOSTIC MODE 
    1. There are 2 methods to exit. Use one of them.
      1. Turn the ignition switch OFF.
      2. Press the "Display" switch for 3 seconds.
  3. SYSTEM CHECK MODE (DTC CHECK) 

    HINT:

    The illustrations may differ depending on the device settings (option, etc.). Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

    1. Start the diagnostic mode.
    2. Read the service check result.

      If all the devices report as "EXCH", "CHECK" or "Old" touch the display to check the contents in the "Unit Check Mode" screen and fill them in the customer problem analysis check sheet.

      Fig 5: Display System Check Mode & Unit Check Mode
      G04438654Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      • If all the check results are "OK" go to the communication DTC check.
      • If a device name is not known, its physical address is displayed.
      • If "EXCH", "CHEK" and "Old" as well as "OK" are shown, press the service switch to return to the "System Check Mode". Then, check the "Unit Check Mode" screen and fill them in on the customer problem analysis check sheet.
        Fig 6: Display Check Mode NAVI
        G04438655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Read the communication diagnostic check result.
      1. Return to the "System Check Mode", and press "LAN Mon" switch to enter the LAN monitor window.
        Fig 7: Display System Check Mode & LAN Monitor
        G04438656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. If the result is "CHECK" or "Old", touch this display to check the contents on the "Unit Check Mode" screen and fill them in on the customer problem analysis check sheet.

        HINT:

        • If all check results are "No Err" the system judges that no DTC exists.
        • The sub-code (relevant device) will be indicated by its physical address.
        • If other devices return "CHECK", press the "Service" switch to return to the "LAN Monitor" screen. Then, check the individual communication diagnostic screen for the next device and fill out the result on the customer problem analysis check sheet.
      Fig 8: Display LAN Monitor NAVI
      G04438657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. SERVICE CHECK MODE (DTC CLEAR/RECHECK) 

    HINT:

    The illustrations may differ from the actual vehicle depending on the device settings and options.

    1. Clear DTC
      1. Press the "Code CLR" switch for 3 seconds.
        Fig 9: Clearing DTC Pressing "Code CLR" Switch
        G04438658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Check result is cleared.
    2. Recheck
      1. Press the "Recheck" switch.
        Fig 10: Clearing DTC Pressing "Recheck" Switch
        G04438659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Confirm that all diagnostic codes are "OK" when the check results are displayed.

        If a code other than "OK" is displayed, troubleshoot again.

        Fig 11: Confirming Diagnostic Codes Are "OK"
        G04438660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Press "LAN Mon" to switch to "LAN Monitor" mode.
        Fig 12: Clearing DTC Pressing "LAN Mon" To Switch To "LAN Monitor" Mode
        G04438661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Confirm that all diagnostic codes are "No Err". If a code other than "No Err" is displayed, troubleshoot again.
      Fig 13: Confirming Diagnostic Codes Are "No Err"
      G04438662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISPLAY CHECK MODE (TOUCH SWITCH CHECK) 

    HINT:

    • This mode checks the touch switch operation condition on the multi-display.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. Select "Display Check" from the "Diagnosis MENU" screen.
      Fig 14: Identifying "Diagnosis MENU" Display Screen
      G04032020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Touch Switch Check" from the "Display Check" screen.
      Fig 15: Selecting "Touch Switch Check" From "Display Check" Screen
      G04438664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Touch the display anywhere in the open area to perform the check when the "Touch Switch Check" screen is displayed.

      HINT:

      • A "+" mark is displayed where the display is touched.
      • The "+" mark remains on the display even after the finger is removed.
      Fig 16: Identifying "Touch Switch Check" Screen
      G04438665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISPLAY CHECK MODE (PANEL SWITCH CHECK) 

    HINT:

    • This mode checks the panel switch operation response on the multi-display.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. Select "Display Check" from the "Diagnosis MENU" screen.
      Fig 17: Identifying "Diagnosis MENU" Display Screen
      G04032020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Panel Switch Check" from the "Display Check" screen.
      Fig 18: Selecting "Panel Switch Check" From "Display Check" Screen
      G04438667Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Operate each switch and check that the switch name and condition are correctly displayed.

      HINT:

      Pressing the "DISPLAY" switch for 3 seconds will exit the diagnostic mode.

      Fig 19: Checking Switch Name And Conditions Are Displayed
      G04438668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      SWITCH NAME AND CONDITION

      Display Contents
      Push switch name/*1
      • Name of the pressed switch is displayed.
      • If more than one switch is pressed, "MULTIPLE" is displayed.
      Rotary switch name/*2 Name of the rotary switch is displayed.
      Rotary switch direction/*3 Direction of the rotary switch is rotated.
  7. DISPLAY CHECK MODE (VEHICLE SIGNAL CHECK) 

    HINT:

    • This mode checks the vehicle signal status input to the multi-display.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. Select "Display Check" from the "Diagnosis MENU" screen.
      Fig 20: Identifying "Diagnosis MENU" Display Screen
      G04032020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Vehicle Signal Check" from the "Display Check" screen.
      Fig 21: Selecting "Vehicle Signal Check"
      G04438670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions.
    Fig 22: Identifying "Vehicle Signal Check Mode"
    G04438671Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. NAVIGATION CHECK MODE (VEHICLE SENSORS) 

    HINT:

    • This mode checks the vehicle signal status to the navigation ECU.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. Select "Navigation Check" from the "Diagnosis MENU" screen.
      Fig 23: Identifying "Diagnosis MENU" Display Screen
      G04032044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Vehicle Sensors" from the "Navigation Check" screen.
      Fig 24: Selecting "Vehicles Sensors"
      G04438673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check all the signals and sensors when vehicle signal information is displayed.

      HINT:

      This screen is updated once per second when input signals to the vehicle are changed.

    Fig 25: Checking All Signals And Sensors
    G04438674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. NAVIGATION CHECK MODE (NAVI COLOR VAR CHECK) 

    HINT:

    • This mode checks the color display on the navigation ECU.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. Select "Navigation Check" from the "Diagnosis MENU" screen.
      Fig 26: Identifying "Diagnosis MENU" Display Screen
      G04032044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Color Bar Check" from the "Navigation Check" screen.
      Fig 27: Selecting "Color Bar Check"
      G04438676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check each color of the color bar when the "NAVI Color Bar Check" screen is displayed.

      HINT:

      Colors will not be displayed full-screen as in "Display Check Mode".

    Fig 28: Checking "NAVI Color Bar Check"
    G04438677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. NAVIGATION CHECK MODE (PARTS INFORMATION) 

    HINT:

    • This mode displays product information on the navigation systems and discs.
    • Illustrations may differ from the actual vehicle depending on the device settings and options.

    Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

    1. Select "Navigation Check" from the "Diagnosis MENU" screen.
      Fig 29: Identifying "Diagnosis MENU" Display Screen
      G04032044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Parts Information" from the "Navigation Check" screen.
      Fig 30: Selecting "Parts Information"
      G04438679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the navigation and disc information when the "Parts Information" screen is displayed.
      Fig 31: Checking Navigation And Disc Information
      G04438680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NAVIGATION AND DISC INFORMATION

      Display Contents
      Navigation Manufacturer/*1 Navigation ECU manufacturer name is displayed.
      Navigation Version/*2 Navigation ECU version is displayed.
      Disc Manufacturer/*3 Map disc manufacturer is displayed.
      Disc Version/*4 Map disc version is displayed.
  11. DIAGNOSIS DISPLAY DETAILED DESCRIPTION (SYSTEM CHECK) 

    HINT:

    • The section contains a detailed description of displays within diagnostic mode.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    1. System check mode display
      Fig 32: Identifying System Check Mode Display
      G04438681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Device Names and Hardware Address/*1

        HINT:

        • Registered device names are displayed below.
        • If a device name is unknown to the system, its physical address is shown instead.
          DEVICE NAMES AND HARDWARE ADDRESS/*1

          Address No. Name Address No. Name
          110 EMV 120 AVX
          128 1DIN TV 140 AVN
          144 G-BOOK 178 NAVI
          17C MONET 190 AUDIO H/U
          1AC CAMERA-C 1B0 Rr-TV
          1C0 Rr-CONT 1C2 TV-TUNER2
          1C4 PANEL 1C6 G/W
          1C8 FM-M-LCD 1D8 CONT-SW
          1EC Body 1F0 RADIO TUNER
          1F1 XM 1F2 SIRIUS
          230 TV-TUNER 240 CD-CH2
          250 DVD-CH 280 CAMERA
          360 CD-CH1 3A0 MD-CH
          17D TEL 440 DSP-AMP
          530 ETC 5C8 MAYDAY
          1A0 DVD-P 1D6 CLOCK
          1F4 RSA 1F6 RSE
          480 AMP - -
      2. Check Result/*2

        HINT:

        Result codes for all devices are shown in CHECK RESULT/*2  .

        CHECK RESULT/*2

        Result Meaning Action
        OK The device did not respond with a DTC (excluding communication DTCs from the AVC-LAN). -
        EXCH The device responds with a "replace"-type DTC. Look up the DTC in "Unit Check Mode" and replace the device.
        CHEK The device responds with a "check"-type DTC. Look up the DTC in "Unit Check Mode".
        NCON The device was previously present, but does not respond in diagnostic mode.
        1. Check power supply wire harness of the device.
        2. Check the AVC-LAN of the device.
        Old The device responds with an "old"-type DTC. Look up the DTC in "Unit Check Mode".
        NRES The device responds in diagnostic mode, but gives no DTC information.
        1. Check power supply wire harness of the device.
        2. Check the AVC-LAN of the device.
      3. Code Clear/*3

        Present DTCs are cleared.

      4. Memory Clear/*4

        Present and past DTCs and registered connected device names are cleared.

    2. Diagnosis MENU display
      Fig 33: Identifying Diagnosis MENU Display
      G04438682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Each item is grayed out or not displayed based on the device settings.

    3. Unit check mode screen
      Fig 34: Identifying Unit Check Mode Screen
      G04438683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen description 

      SCREEN DESCRIPTION

      Display Contents
      Device name/*1 Target device
      Segment/*2 Target device logical address
      DTC/*3 DTC (Diagnostic Trouble Code)
      Timestamp/*4 The time and data of past DTCs are displayed. (The year is displayed in 2 digit format.)
      Present Code/*5 The DTC output at the service check is displayed.
      Past Code/*6 Diagnostic memory results and recorded DTCs are displayed.
    4. LAN monitor (Original) screen
      Fig 35: Identifying LAN Monitor (Original) Screen
      G04438684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Check result 

      LAN MONITOR (ORIGINAL) SCREEN

      Result Meaning Action
      No Err (OK) There are no communication DTCs. -
      CHEK The device responds with a "check"-type DTC. Look up the DTC in "Unit Check Mode".
      NCON The device was previously present, but does not respond in diagnostic mode.
      1. Check power supply wire harness of the device.
      2. Check the AVC-LAN of the device.
      Old The device responds with an "old"-type DTC. Look up the DTC in "Unit Check Mode".
      NRES The device responds in diagnostic mode, but gives no DTC information.
      1. Check power supply wire harness of the device.
      2. Check the AVC-LAN of the device. Check Result

      HINT:

      Check results of all the devices, are displayed.

    5. LAN monitor (Individual) screen
      Fig 36: Identifying LAN Monitor (Individual) Screen
      G04438685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen description 

      LAN MONITOR (INDIVIDUAL) SCREEN

      Display Contents
      Device name/*1 Target device
      Segment/*2 Target logical address
      DTC/*3 DTC (Diagnostic Trouble Code)
      Sub-Code (device address)/*4 Physical address stored with DTC. (If there is no address, nothing is displayed.)
      Connection check No./*5 Connection check number stored with DTC.
      DTC occurrence/*6 Number of times the same DTC has been recorded.
  12. DIAGNOSIS DISPLAY DETAILED DESCRIPTION (DISPLAY CHECK) 
    1. Vehicle signal check mode screen
      Fig 37: Identifying Vehicle Signal Check Mode Screen
      G04438686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen description 

      DISPLAY DETAILED DESCRIPTION (DISPLAY CHECK)

      Name Contents
      Battery Battery voltage is displayed.
      PKB Parking brake ON/OFF state is displayed.
      REV Reverse signal ON/OFF state is displayed.
      IG Ignition switch ON/OFF state is displayed.
      ADIM/TCAN Brightness state DIM (with)/ BRIGHT (without) is displayed.
      SPEED The vehicle speed is displayed in km/h.
      TAIL TAIL signal (Head light dimmer switch) ON/OFF state is displayed.

      HINT:

      • Only items sending a vehicle signal will be displayed.
      • This screen is updated once per second when input signals to the vehicle are changed.
  13. DIAGNOSIS DISPLAY DETAILED DESCRIPTION (NAVIGATION CHECK) 
    1. Navigation check MENU screen
      Fig 38: Identifying Navigation Check MENU Screen
      G04438687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Each item is grayed out or not displayed based on the device settings.

    2. GPS information screen
      Fig 39: Identifying GPS Information Screen
      G04438688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Satellite information/*1

        Information from a maximum of 12 satellites is displayed on the screen. This information includes the target GPS satellite number, eleven angle, direction and signal level.

      2. Receiving condition/*2
        RECEIVING CONDITION/*2

        Name Contents
        T The system is receiving a GPS signal, but is not using it for location.
        P The system is using the GPS signal for location.
        - The system cannot receive a GPS signal.
      3. Measurement information/*3
        MEASUREMENT INFORMATION/*3

        Name Contents
        2D 2-dimensional location method is being used.
        3D 3-dimensional location method is being used.
        NG Location data cannot be used.
        Error Reception error has occurred.
        - Any other state.
      4. Position information/*4
        POSITION INFORMATION/*4

        Name Contents
        Position Latitude and longitude information on the current position is displayed.
      5. Data information/*5
        DATA INFORMATION/*5

        Name Contents
        Data The data/time information obtained from GPS signal is displayed in Greenwich mean time (GMT). The last 4 digits are displayed.
    3. Vehicle signal check screen
      Fig 40: Identifying Vehicle Signal Check Screen
      G04438689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Vehicle signal 

      VEHICLE SIGNAL CHECK SCREEN

      Display Contents
      REV/*1 REV signal ON/OFF state is displayed.
      SPD/*2 SPD signal condition is displayed.

      Sensor signal 

      SENSOR SIGNAL CHECK SCREEN

      Display Contents
      Gyro sensor/*3 Gyro sensor output condition is displayed (when the vehicle runs straight or is stationary, the voltage is approximately 2.5 V).

      HINT:

      Signals are updated once per second only when vehicle sensor signals are changed.

    4. Parts information screen
      Fig 41: Identifying Parts Information Screen
      G04438690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen description 

      SCREEN DESCRIPTION

      Display Contents
      Navigation Manufacturer/*1 Navigation ECU manufacturer is displayed.
      Navigation Version No./*2 Navigation ECU version is displayed.
      Disc Manufacturer/*3 Map disc manufacturer is displayed.
      Disc Version No./*4 Map disc version is displayed.
    5. Memory copy/paste screen
      Fig 42: Identifying Memory Copy/Paste Screen
      G04438691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      This function cannot be used.

  14. MICROPHONE CHECK 

    HINT:

    • The microphone is checked in the "Navigation Check (Microphone Check)" mode.
    • Illustrations may differ from the actual vehicle depending on vehicle specifications.
    1. Select "Navigation Check" from the "Diagnosis MENU" screen.
      Fig 43: Identifying "Diagnosis MENU" Display Screen
      G04032044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Select "Microphone Check" from the "Navigation Check" screen.
      Fig 44: Selecting "Microphone Check"
      G04438693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Perform the microphone check by following the directions on the "Microphone Check" screen.
    Fig 45: Performing "Microphone Check"
    G04438694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. SCREEN NOISE AUTOMATIC ADJUSTMENT 

    HINT:

    • This adjustment is performed to reduce noise when screen noise occurs upon replacing the multi-display, the navigation ECU or the television camera ECU.
    • Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.
    • Perform both procedures below when the multi-display is replaced.
    1. When either the multi-display or the navigation ECU is replaced:
      1. Turn the ignition switch to the ACC position and wait for at least 6 seconds to activate the diagnostic mode.
      2. Select "Navigation Check" from the "Diagnosis MENU" screen.
        Fig 46: Identifying "Diagnosis MENU" Display Screen
        G04032044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. The screen enters "Navigation Check" with a beeping sound. Adjustment is completed when the completion mark is displayed.
        Fig 47: Identifying Completion Mark (Orange)
        G04438696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Cancel the diagnostic mode.
    2. When either the multi-display or the television camera ECU is replaced:
      1. Turn the ignition switch to the ACC position and wait for at least 6 seconds to activate the diagnostic mode*.
      2. Select "Camera Check" from the "Diagnosis MENU" screen.
        Fig 48: Selecting "Camera Check"
        G04438697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Adjustment is completed when the steering angle setting screen is displayed.
        Fig 49: Identifying Steering Angle Setting Screen
        G04438698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Cancel the diagnostic mode.

        HINT:

        • If the automatic adjustment is not performed (only step *) only upon replacing the multi-display, a beeping sound can be heard for 3 seconds (while the initial screen is displayed) after turning the ignition switch to the ACC position.
        • Perform the automatic adjustment again if a beeping sound can be heard within 3 seconds.
  16. DIAGNOSTIC TROUBLE CODE TABLE 
    PHYSICAL/LOGICAL ADDRESS

    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: 110 multi-display (EMV)

      HINT:

      • *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 seconds have passed after an the power supply connector is pulled out after engine start.
      • *3: It may be stored when the key is turned again after an engine start.
      • *4: It may be stored when the key is turned again 1 minute again after an engine start.

      Logical address: 01 (Communication control) 

      PHYSICAL ADDRESS: 110 MULTI-DISPLAY (EMV) (LOGICAL ADDRESS: 01 (COMMUNICATION CONTROL))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      21 ROM Error Abnormal condition of ROM is detected. Replace multi-display assembly.
      22 RAM Error Abnormal condition of RAM is detected. Replace multi-display assembly.
      D5
      *1
      Registered component disconnected Component shown by auxiliary code is or was disconnected from system with ignition switch in ACC or ON.
      Communication with component shown by auxiliary code is not ensured when engine is started.
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      D8
      *2
      No response to connection check Component shown by auxiliary code is or was disconnected from system after engine is started.
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary 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 system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      DB
      *1
      Mode Status Error Dual alarm is detected.
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      DC
      *4
      Transmission Error Transmission to component shown by auxiliary code has failed.
      (This code does not necessarily mean actual failure.)
      If same auxiliary code is recorded in order of component(s), 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 has been disconnected.
      DB
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      E2 ON/OFF Instruction Parameter Error Error is detected in ON/OFF control command from multi-display assembly. Replace multi-display assembly.
      E3
      *1
      Registration Request Transmission
      • Registration Request command is output from slave component.
      • By reception of connection check instruction, 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.

      Logical address: 21 (Switch) 

      PHYSICAL ADDRESS: 110 MULTI-DISPLAY (EMV) (LOGICAL ADDRESS: 21 (SWITCH))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      10 Panel Switch Error Error in panel switch input part is detected. (Error in switch control part, or internal communication error with switch control part is detected.)
      • Inspect all switches on panel switch test screen in display check mode. If any of them does not function, replace multi-display assembly.
      • If all switches function without problem, observe them for a while.

      Logical address: 34 (Front passenger monitor) 

      PHYSICAL ADDRESS: 110 MULTI-DISPLAY (EMV) (LOGICAL ADDRESS: 34 (FRONT PASSENGER MONITOR))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      10 Error in Picture Circuit Error in power supply system for picture circuit (abnormal voltage) is detected. Replace multi-display assembly.
      11 Back-light Error (No current) Decline in power output from inverter circuit for back-light. Replace multi-display assembly.
      12 Back-light Error (Excess current) Excess power output from inverter circuit for back-light. Replace multi-display assembly.
    2. Physical address: 1C6 gateway ECU (G/W-ECU)

      HINT:

      *1: When 210 seconds have passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.

      Logical address: 01 (Communication control) 

      PHYSICAL ADDRESS: 1C6 GATEWAY ECU (G/W-ECU) (LOGICAL ADDRESS: 01 (COMMUNICATION CONTROL))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      D4
      *1
      Regular Communication Error Component in which this code is recorded has been disconnected after engine start.
      Or, when this code was recorded, multi-display was disconnected.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of gateway ECU.
      • Check harness for communication system of gateway ECU.
    3. Physical address: 190 radio receiver (AUDIO H/U)

      HINT:

      • *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 seconds have passed after the power supply connector is pulled out after an engine start.
      • *3: It may be stored when the key is turned again 1 minute after an engine start.
      • *4: It may be stored when the key is turned again after an 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.

      Logical address: 01 (Communication control) 

      PHYSICAL ADDRESS: 190 RADIO RECEIVER (AUDIO H/U) (LOGICAL ADDRESS: 01 (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 after engine start.
      Or, when this code was recorded, multi-display was disconnected.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of radio receiver.
      • Check harness for communication system of radio receiver.
      D8
      *2
      No response to connection check Component shown by auxiliary code is or was disconnected from system after engine is started. D9
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      D9
      *1
      Last Mode Error Component operated (sound and/or images were provided) before engine stop is or was disconnected with ignition switch in ACC or ON.
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary 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 auxiliary code.
      • Check harness for communication system of component shown by auxiliary 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 auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      DC
      *3
      Transmission Error Transmission to component shown by auxiliary code has failed.
      (Detecting this DTC does not necessarily mean actual failure.)
      If same auxiliary code is recorded in order of component(s), check harness for power supply and communication system of all components shown by code.
      DD
      *4
      Master Reset (Momentary Interruption) After engine is started, multi-display assembly was disconnected from system.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of radio receiver.
      • Check harness for communication system of radio receiver.
      • If this error occurs frequently, replace multi-display assembly.
      DE
      *4
      Slave Reset (Momentary Interruption) After engine is started, slave component was disconnected from system.
      • Check harness for power supply system of component shown by auxiliary code.
      • Check harness for communication system of component shown by auxiliary code.
      DF
      *5
      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 system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for communication system between multi-display assembly 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 system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from multi-display assembly. Replace multi-display assembly.
      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, 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, it may be detected when no actual failure exists.

      Logical address: 61 (Cassette switch) 

      PHYSICAL ADDRESS: 190 RADIO RECEIVER (AUDIO H/U) (LOGICAL ADDRESS: 61 (CASSETTE SWITCH))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      40 Mechanical of Media Error Malfunction due to mechanical failure is identified.
      Or cassette tape is cut or entangled.
      • Inspect cassette tape.
      • Replace radio receiver.
    4. Physical address: 178 navigation ECU (NAVI-ECU)

      HINT:

      • *1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.
      • *2: 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: It may be stored when the key is turned again 1 minute after an engine start.
      • *4: It may be stored when the key is turned again after an engine start.

      Logical address: 01 (Communication control) 

      PHYSICAL ADDRESS: 178 NAVIGATION ECU (NAVI-ECU) (LOGICAL ADDRESS: 01 (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 after engine start.
      Or, when this code was recorded, multi-display was disconnected.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of navigation ECU.
      • Check harness for communication system of navigation ECU.
      D7
      *2
      Communication Check Error Component in which this code is recorded has been disconnected after engine start.
      Or, when this code was recorded, multi-display was disconnected. D6
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of navigation ECU.
      • Check harness for communication system of navigation ECU.
      DC
      *3
      Transmission Error Transmission to component shown by auxiliary code has failed.
      (This code does not necessarily mean actual failure.)
      If same auxiliary code is recorded in order of component(s), check harness for power supply and communication system of all components shown by code.
      DD
      *4
      Master Reset (Momentary Interruption) Component that is to be master has been disconnected after engine start.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • If this error occurs frequently, replace multi-display assembly.
      DF
      *5
      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 system of multi-display assembly.
      • Check harness for communication system of-multi-display assembly.
      • Check harness for communication system between multi-display assembly 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 purposes, it may be detected when no actual failure exists.
      E2 ON/OFF Instruction Parameter Error Error is detected in ON/OFF control command from multi-display assembly. Replace multi-display assembly.
      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 purposes, 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 purposes, it may be detected when no actual failure exists.

      Logical address: 58 (Navigation ECU) 

      PHYSICAL ADDRESS: 178 NAVIGATION ECU (NAVI-ECU) (LOGICAL ADDRESS: 58 (NAVIGATIN ECU))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      10 Gyro Error Error in gyro sensor is detected. (Abnormal value in voltage output from sensor is detected for more than specified time.) Replace navigation ECU.
      11 GPS Receiver Error Operation error of GPS receiver is detected. At an outdoor site with a clear view, operate to display GPS data. If GPS mark is not properly displayed after 15 min. or more, replace navigation ECU.
      40 GPS Antenna Error Open condition of GPS antenna is detected.
      (Open circuit, connection failure of connectors, etc.)
      Inspect antenna and replace if necessary.
      41 Power Supply Error of GPS Antenna Abnormal voltage of GPS antenna cable or short circuit is detected.
      • Inspect GPS antenna and replace if necessary. (When no continuity is identified between connector'S core and sealed part, GPS antenna is normal.)
      • If GPS antenna is normal, replace navigation ECU.
      42 Map Disc Error Data cannot be read for a certain time due to scratches or dirt on disc surface or insertion of disc. Inspect disc and replace if necessary.
      (Visually check disc surface and wipe it with soft cloth.)
      43 Vehicle Signal Error Input error of vehicle signal is detected. (When no vehicle signal has been input for a certain time.)
      • Inspect wire harness.
      • If wire harness is normal, replace navigation ECU.
    5. Physical address: 250 disc player changer (DVD-CH)

      HINT:

      • *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 key is turned again 1 minute after an engine start.
      • *3: It may be stored when the key is turned again after an engine start.
      • *4: It may be stored when the key is turned again after engine start.
      • *5: When 210 seconds have passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.

      Logical address: 01 (Communication control) 

      PHYSICAL ADDRESS: 250 DISC PLAYER CHANGER (DVD-CH) (LOGICAL ADDRESS: 01 (COMMUNICATION CONTROL))

      DTC Diagnosis item Diagnosis content Countermeasure and inspected parts
      21 ROM Error Abnormal condition of ROM is detected. Replace disc player changer.
      22 RAM Error Abnormal condition of RAM is detected. Replace disc player changer.
      D6
      *2
      Absence of Master Component in which this code is or was disconnected from system after engine start.
      Or, when this code was recorded, multi-display was disconnected.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of disc player changer.
      • Check harness for communication system of disc player changer.
      D7
      *5
      Connection check Error Component in which this code is or was disconnected from system after engine start.
      Or, when this code was recorded, multi-display was disconnected.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of disc player changer.
      • Check harness for communication system of disc player changer.
      DC
      *2
      Transmission Error Transmission to component shown by auxiliary code has failed.
      (Detecting this DTC does not necessarily mean actual failure.)
      If same auxiliary code is recorded in order of component(s), check harness for power supply and communication system of all components shown by code.
      DD
      *3
      Master Reset (Momentary Interruption) After engine is started, multi-display assembly was disconnected from system.
      • Check harness for power supply system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for power supply system of disc player changer.
      • Check harness for communication system of disc player changer.
      • If this error occurs frequently, replace multi-display assembly.
      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 system of multi-display assembly.
      • Check harness for communication system of multi-display assembly.
      • Check harness for communication system between multi-display assembly 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 purposes, it may be detected when no actual failure exists.
      E2 ON/OFF Instruction Parameter Error Error occurs in ON/OFF controlling command from multi-display assembly. Replace multi-display assembly.
      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 purposes, 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 purposes, it may be detected when no actual failure exists.