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.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Display Check Mode
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- HOW TO PERFORM COLOR BAR CHECK
HINT:
- This mode checks the color display of the multi-display.
- Illustrations may differ from the actual vehicle depending on the device settings and options.
- Enter diagnostic mode (see DTC CHECK / CLEAR ).
- Select "Display Check" from the "Diagnosis MENU" screen.
- Select "Color Bar Check" from the "Display Check" screen.
- Select color bar from the "Color Bar Check Mode" screen,
HINT:
- The entire screen turns to the color or stripe selected.
- Touching the display will return to the "Color Bar Check" screen.
- HOW TO PERFORM TOUCH SWITCH CHECK
HINT:
- This mode checks the touch switch operation condition of the multi-display.
- Illustrations may differ from the actual vehicle depending on the device settings and options.
- Enter diagnostic mode (see DTC CHECK / CLEAR ).
- Select "Display Check" from the "Diagnosis MENU" screen.
- Select "Touch Switch Check" from the "Display Check" screen.
- 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.
- HOW TO PERFORM VEHICLE SIGNAL CHECK
HINT:
- This mode checks the input of vehicle signals to the multi-display.
- Illustrations may differ from the actual vehicle depending on the device settings and options.
- Enter diagnostic mode (see DTC CHECK / CLEAR ).
- Select "Display Check" from the "Diagnosis MENU" screen.
- Select "Vehicle Signal Check" from the "Display Check" screen.
- When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions.
HINT:
- Only conditions having inputs are displayed.
- This screen is updated once per second when input signals to the vehicle are changed.
Factory Service Tools
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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.
