LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Navigation) >> Navigation System >> Diagnosis Display Detailed Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Display Detailed Description

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

  1. SYSTEM CHECK 
    1. System Check Mode Screen
      Fig 1: Diagnostic Tool Display - System Mode Check Mode Screen
      G04948869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Device Names and Hardware Address/*1

        HINT:

        • Registered device names are displayed.
        • If a device name is unknown to the system, its physical address is shown instead.
          DEVICE NAME DISPLAY CHART

          Address No. Name Address No. Name
          110 EMV 120 AVX
          128 1 DIN TV 140 AVN
          144 G-BOOK 178 NAVI
          17C MONET 190 AUDIO H/U
          1AC CAMERA-C 1B0 Rr-TV
          1C0 Rr-CONT 19D BT-HF
          1C4 PANEL 1C6 G/W
          1C8 FM-M-LCD 1D8 CONT-SW
          1EC Body 118 EMVN
          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 1F6 RSE
          1A0 DVD-P 1D6 CLOCK
          238 DTV 480 AMP
      2. Check Result/*2

        HINT:

        Result codes for all devices are displayed.

        RESULT CHART

        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. Check the DTC in "Unit Check Mode" and replace the device.
        CHEK The device responds with a "check"-type DTC. Check 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. Check 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.
        • Press the "Code CLR" switch for 3 seconds.
      4. Memory Clear/*4
        • Present and past DTCs and registered connected device names are cleared.
        • Press the "Memory CLR" switch for 3 seconds.
    2. Diagnosis MENU Screen
      Fig 2: Diagnostic Tool Display - Diagnosis MENU
      G04948870Courtesy 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 3: Diagnostic Tool Display - Unit Check Mode Screen
      G04948871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Display Contents
      Device name/*1 Target device
      Segment/*2 Target device logical address
      DTC/*3 DTC (Diagnostic Trouble Code)
      Timestamp/*4 The time and date of past DTCs are displayed. (The year is displayed in 2-digit format.)
      Present Code/*5 DTCs output at the service check are displayed.
      Past Code/*6 Diagnostic memory results and recorded DTCs are displayed.
      Diagnosis Clear Switch/*7 Pushing this switch for 3 seconds clears the diagnostic memory data of the target device. (Both response to diagnostic system check result and the displayed data are cleared.)
    4. LAN Monitor (Original) Screen
      Fig 4: Diagnostic Tool Display - LAN Monitor (Original) Screen
      G04966866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check Result/*1

        HINT:

        Check results of all the devices are displayed.

        RESULT CHART

        Result Meaning Action
        No Err (OK) There are no communication DTCs. -
        CHEK The device responds with a "check" -type DTC. Check 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 responded with an "old" -type DTC. Check 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.
    5. LAN Monitor (Individual) Screen
      Fig 5: Diagnostic Tool Display - LAN Monitor (Individual) Screen
      G04948873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      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
      Diagnosis Clear Switch/*7 Pushing this switch for 3 seconds clears the diagnostic memory data of the target device. (Both response to diagnostic system check result and the displayed data are cleared.)
  2. DISPLAY CHECK 
    1. Vehicle Signal Check Mode Screen
      Fig 6: Diagnostic Tool Display - Vehicle Signal Check Mode Screen
      G05253184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Name Contents
      Battery Battery voltage is displayed.
      PKB Parking brake ON/OFF state is displayed.
      REV Reverse signal ON/OFF state is displayed.
      IG Engine switch ON/OFF state is displayed.
      ADIM/TCAN Brightness state DIM (with) / BRIGHT (without) is displayed.
      TAIL TAIL signal (Light control switch) ON/OFF state is displayed.
      SPEED Vehicle speed is displayed in km/h.

      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.
    2. Microphone & Voice Recognition Check Screen
      Fig 7: Diagnostic Tool Display - Microphone & Voice Recognition Check Screen
      G05253185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Name Contents
      Microphone input level meter/*1 Monitors the microphone input level every 100 ms and displays the results in 8 different levels.
      Recording switch/*2 Starts recording.
      Stop switch/*3 Stops recording.
      Play switch/*4 Plays the recorded voice.

      HINT:

      • The microphone input function is on at all times when this screen is displayed.
      • While recording or playing, the switches other than the stop switch cannot be pushed.
      • When no voice is recorded, the play switch cannot be pushed.
      • Recording will stop after 5 seconds or by pushing the stop switch.
    3. CAN Connection Check Screen
      Fig 8: Diagnostic Tool Display - CAN Connection Check Screen
      G04966869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Name Contents
      CAN Connection check result/*1
      • For systems connected to the CAN system, the results of the CAN connection check are displayed.
      • "NG" - The engine switch is on (ACC or IG) and the CAN communication lines are malfunctioning or the CAN bus lines are not connected.
      • "OK" - The engine switch is on (ACC or IG) and the CAN communication lines are normal.
      • Blank - CAN connection check is performed with the engine switch on (ACC) or off.

      HINT:

      • This function operates only for the systems connected to the CAN system.
      • When the engine switch is turned off, the bus lines are disconnected, or a malfunction occurs in the bus lines while the CAN connection check result is being displayed, the problem will be reflected on the screen in real time.
  3. NAVIGATION CHECK 
    1. Navigation Check Screen
      Fig 9: Diagnostic Tool Display - Navigation Check Screen
      G05253187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

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

    2. GPS Information Screen
      Fig 10: Diagnostic Tool Display - GPS Information Screen
      G05253188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Satellite informational

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

      2. Receiving condition/*2

        (DENSO model): 

        DISPLAY CONTENTS

        Display 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.

        (AISIN AW model): 

        DISPLAY CONTENTS

        Display Contents
        01H The system cannot receive a GPS signal.
        02H The system is tracing a satellite.
        03H The system is receiving a GPS signal, but is not using it for location.
        04H The system is using the GPS signal for location.

        Measurement information/*3: 

        DISPLAY CONTENTS

        Display 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.

        Position information/*4 

        DISPLAY CONTENTS

        Display Contents
        Position Latitude and longitude information on the current position is displayed.

        Date information/*5: 

        DISPLAY CONTENTS

        Display Contents
        Date The date/time information obtained from GPS signal is displayed in Greenwich mean time (GMT). The last 4 digits are displayed.
    3. Vehicle Sensors Screen
      Fig 11: Diagnostic Tool Display - Vehicle Sensors Screen
      G04945281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Vehicle signal: 

      DISPLAY CONTENTS

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

      Sensor signal: 

      DISPLAY CONTENTS

      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. Microphone & Voice Recognition Check Screen
      Fig 12: Diagnostic Tool Display - Microphone & Voice Recognition Check Screen
      G04966873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      DISPLAY CONTENTS

      Display Contents
      Microphone input level meter/*1 Monitors the microphone input level every 100 ms and displays the results in 8 different levels.
      Recording switch/*2 Starts recording.
      Stop switch/*3 Stops recording.
      Play switch/*4 Plays the recorded voice.
      Recording indicator/*5 Comes on while recording.

      HINT:

      • The microphone input function is on at all times when this screen is displayed.
      • While recording or playing, the switches other than the stop switch cannot be pushed.
      • When no voice is recorded, the play switch cannot be pushed.
      • Recording will stop after 5 seconds or by pushing the stop switch.
    5. DVD Player Information Screen
      Fig 13: Diagnostic Tool Display - DVD Player Information Screen
      G04945283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Display Contents
      Trouble code/*1 Each code corresponding to the malfunctions is displayed. For details, refer to "TROUBLE CODE DESCRIPTION ".
      Occurrence time/*2
      • The date (year, month, day) and time (hour, minute, second) when the trouble code was detected are displayed as a time stamp. (Greenwich mean time)
      • The time data to be displayed are received from the GPS receiver.
      Trouble code clear switch/*3 All code data being displayed are cleared by pushing this switch for 3 seconds.
      Returning switch/*4 The previous page is displayed. If the current displayed page is the first page, this switch cannot be operated.
      Proceeding switch/*5 The next page is displayed. If the current displayed page is the last page, this switch cannot be operated.

      Trouble Code Description: 

      TROUBLE CODE DESCRIPTION CHART

      Code Malfunction Countermeasure
      01 Cannot be recognized Replace navigation ECU.
      03 Cannot be read Follow the inspection procedure for DTC 58-42 (See DTC 58-42 Map Disc Read Error; DTC 80-42 Map Disc Read Error  ).

      HINT:

      This is a DVD player check function in the navigation ECU.

scientia non olet · About LEMON Manuals