LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation >> Navigation System >> Navigation Check Mode
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Navigation Check Mode

HINT:

  1. ENTER DIAGNOSTIC MODE  (See DTC CHECK/CLEAR  )
  2. NAVIGATION CHECK 
    1. Select "Navigation Check" from the "Diagnosis MENU" screen.
      Fig 1: Screen Display - Navigation Check
      G05832510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. GPS INFORMATION 
    1. Select "GPS Information" from the "Navigation Check" screen.
      Fig 2: Screen Display - GPS Information
      G05832511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When GPS information is displayed, check the GPS conditions.

      HINT:

      • This screen is updated once per second when input signals to the vehicle are changed.
      • For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION  .
        Fig 3: Screen Display - GPS Conditions
        G05832512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. VEHICLE SENSORS 
    1. Select "Vehicle Sensors" from the "Navigation Check" screen.
      Fig 4: Screen Display - Navigation Check
      G05832513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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.
      • This screen displays vehicle signals input to the navigation ECU.
      • For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION  .
        Fig 5: Screen Display - Vehicle Sensors
        G05832514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. COLOR BAR CHECK 
    1. Select "Color Bar Check" from the "Navigation Check" screen.
      Fig 6: Screen Display - Color Bar Check
      G05832515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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".
      • This screen displays the navigation ECU display color.
        Fig 7: Screen Display - NAVI Color Bar Check
        G05832516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. MEMORY COPY/PASTE CHECK 

    HINT:

    This function cannot be used.

    Fig 8: Screen Display - Memory Copy/Paste Check
    G05832517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. PARTS INFORMATION 
    1. Select "Parts Information" from the "Navigation Check" screen.
      Fig 9: Screen Display - Navigation Check
      G05832518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the navigation and disc information when the "Parts Information" screen is displayed.
      Fig 10: Screen Display - Parts Information
      G05832519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Screen Description: 

      SCREEN DESCRIPTION CHART

      Display Contents
      Navigation Manufacturer/*1 Navigation ECU manufacturer 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.
  8. MIC & VOICE RECOGNITION CHECK 
    1. Select "MIC & Voice Recognition Check" on the "Display Check" screen to display "MICROPHONE & VOICE RECOGNITION CHECK" screen.
      Fig 11: Screen Display - MIC And Voice Recognition Check
      G05832520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
    3. Push the recording switch and perform voice recording.
    4. Check that the recording indicator remains on while recording and that the recorded voice is played normally.

      HINT:

      • For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION  .
      • This function is controlled by the built-in navigation ECU.
        Fig 12: Screen Display - Recording Switch, Stop Switch And Play Switch
        G05832521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. DVD PLAYER INFORMATION CHECK 
    1. Select "DVD Player Information" from the "Navigation Check" screen.
      Fig 13: Screen Display - Navigation Check
      G05832522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check for DTCs.

      HINT:

      • This is a DVD player check function in the navigation ECU.
      • For details of this function, refer to DIAGNOSIS DISPLAY DETAILED DESCRIPTION  .
        Fig 14: Screen Display - DVD Player Information
        G05832523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002