Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2007ES 350REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTNAVIGATIONNAVIGATION SYSTEMNAVIGATION CHECK MODE
2007 Lexus ES 350
Navigation Check Mode
2007 Lexus ES 350SECTION Navigation Check Mode
HINT:
- This mode displays GPS satellite information.
- 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.
- ENTER DIAGNOSTIC MODE (See DTC CHECK / CLEAR )
- NAVIGATION CHECK
- Select "Navigation Check" from the "Diagnosis MENU" screen.
- GPS INFORMATION
- Select "GPS Information" from the "Navigation Check" screen.
- 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 .
- VEHICLE SENSORS
- Select "Vehicle Sensors" from the "Navigation Check" screen.
- 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 .
- COLOR BAR CHECK
- Select "Color Bar Check" from the "Navigation Check" screen.
- 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.
- MEMORY COPY/PASTE CHECK
HINT:
This function cannot be used.
- PARTS INFORMATION
- Select "Parts Information" from the "Navigation Check" screen.
- Check the navigation and disc information when the "Parts Information" screen is displayed.
Screen Description:
SCREEN DESCRIPTION CHARTDisplay 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.
- MIC & VOICE RECOGNITION CHECK
- Select "MIC & Voice Recognition Check" on the "Navigation Check" screen to display "MICROPHONE & VOICE RECOGNITION CHECK" screen.
- When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
- Push the recording switch and perform voice recording.
- 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.
- DVD PLAYER INFORMATION CHECK
- Select "DVD Player Information" from the "Navigation Check" screen.
- 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 .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.