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 MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTNAVIGATION SYSTEMTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSCOMPONENT TESTSDISPLAY CHECK MODE
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Display Check Mode
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Display Check Mode
DISPLAY CHECK MODE
HINT:
- This mode checks the color display on the multi-display.
- 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.
1. ENTER DIAGNOSTIC MODE.
2. DISPLAY CHECK

a. Select "Display Check" from the "Diagnosis MENU" screen.
3. COLOR BAR CHECK

a. Select "Color Bar Check" from the "Display Check" screen.

b. Select a 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.
4. TOUCH SWITCH CHECK

a. Select "Touch Switch Check" from the "Display Check" screen.

b. 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.
5. PANEL SWITCH CHECK

a. Select "Panel Switch Check" from the "Display Check" screen.


b. Operate each switch and check that the switch name and condition are correctly displayed.
6. VEHICLE SIGNAL CHECK

a. Select "Vehicle Signal Check" from the "Display Check" screen.

b. 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.
HINT:
- This mode checks the color display on the multi-display.
- 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.
1. ENTER DIAGNOSTIC MODE.
2. DISPLAY CHECK
a. Select "Display Check" from the "Diagnosis MENU" screen.
3. COLOR BAR CHECK
a. Select "Color Bar Check" from the "Display Check" screen.
b. Select a 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.
4. TOUCH SWITCH CHECK
a. Select "Touch Switch Check" from the "Display Check" screen.
b. 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.
5. PANEL SWITCH CHECK
a. Select "Panel Switch Check" from the "Display Check" screen.
b. Operate each switch and check that the switch name and condition are correctly displayed.
6. VEHICLE SIGNAL CHECK
a. Select "Vehicle Signal Check" from the "Display Check" screen.
b. 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.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.