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.
2004 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Meter ECU
METER ECU CUSTOMIZE PARAMETERS
| DISPLAY (ITEM) | DEFAULT | CONTENTS | SETTING |
|---|---|---|---|
| KEY REMND VOLUM (Key reminder buzzer volume) | LARGE | Function that changes volume of key reminder buzzer. | LARGE/MEDIUM/SMALL |
| KEY REMND SOUND (Key reminder buzzer sound) | NORMAL | Function that changes frequency of key reminder buzzer. | NORMAL/FAST/SLOW |
METER ECU CUSTOMIZE PARAMETERS
| DISPLAY (ITEM) | DEFAULT | CONTENTS | SETTING |
|---|---|---|---|
| UNLOCK / 2OPER (2 Times Operation Wireless Unlock) | D_door | When UNLOCK switch is pressed once, this function unlocks only designated door. When unlock switch is pressed again within 3 seconds, all doors unlock. If setting is on ALL, pressing UNLOCK switch once unlocks all doors. | ALL/D_door/D_side |
| ALARM FUNCTION (Panic Function) | ON | Function that operates theft deterrent system when transmitter LOCK (PANIC) switch is held for 3 seconds. | ON/OFF |
METER ECU CUSTOMIZE PARAMETERS
| Display (Item) | Default | Contents | Setting |
|---|---|---|---|
| KEY REMND VOLUM | LARGE | Function that changes key reminder buzzer's volume | LARGE/MEDIUM/SMALL |
| KEY REMND SOUND | NORMAL | Function that changes key reminder buzzer's frequency | NORMAL/FAST/SLOW/0s |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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