LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> GS 350 AWD >> 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: Display - Navigation Check
    G04945259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. GPS INFORMATION 
    1. Select "GPS Information" from the "Navigation Check" screen.
      Fig 2: Display - GPS Information
      G05190022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When GPS information is displayed, check the GPS conditions.

      HINT:

    Fig 3: Display - GPS Information
    G04945484Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. VEHICLE SENSORS 
    1. Select "Vehicle Sensors" from the "Navigation Check" screen.
      Fig 4: Display - Vehicle Sensors
      G05190024Courtesy 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: Display - DIAGNOSIS DISPLAY DETAILED DESCRIPTION
    G04945263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. COLOR BAR CHECK 
    1. Select "Color Bar Check" from the "Navigation Check" screen.
      Fig 6: Display - COLOR BAR CHECK
      G05190026Courtesy 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: Display - NAVI Color Bar Check
    G04945265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. MEMORY COPY/PASTE CHECK 

    HINT:

    This function cannot be used.

    Fig 8: Display - Navigation Check (1 Of 2)
    G05190028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. PARTS INFORMATION 
    1. Select "Parts Information" from the "Navigation Check" screen.
      Fig 9: Display - Navigation Check (2 Of 2)
      G05190029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the navigation and disc information when the "Parts Information" screen is displayed.
    Fig 10: Display - Parts Information
    G04945268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Screen description: 

    SCREEN DESCRIPTION

    Display Contents
    Navigation Manufacturer/*1 Navigation ECU manufacturer is displayed.
    Navigation Version/*2 Navigation ECU version is displayed.
    Disc Manufacturer 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 "Navigation Check" screen to display "MICROPHONE & VOICE RECOGNITION CHECK" screen.
      Fig 11: Display - Navigation Check
      G05190031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When a 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:

    Fig 12: Check Microphone (Navigation Check Mode) Screen Display
    G05190032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. DVD PLAYER INFORMATION CHECK 
    1. Select "DVD Player Information" from the "Navigation Check" screen.
      Fig 13: Display - Navigation Check
      G05190033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check for DTCs.

      HINT: