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.
Engine Switch Indicator Circuit: Description
2010 Lexus LS 460L AWDSECTION Description
Engine start conditions or system malfunctions can be checked by observing the status of the engine switch indicator light.
ENGINE SWITCH INDICATOR LIGHT CONDITION
| Power Source Mode/Condition | Indicator Light Condition | |
|---|---|---|
| Brake pedal released | Brake pedal depressed, shift lever in P or N | |
| Off | OFF | Illuminates (green) |
| On (ACC, IG) | Illuminates (amber) | Illuminates (green) |
| Engine running | OFF | OFF |
| Steering lock not unlocked | Flashes (green) for 30 seconds | Flashes (green) for 30 seconds |
| System malfunction | Flashes (amber) for 15 seconds | Flashes (amber) for 15 seconds |
| Stop light switch with shift lever in P or N malfunction | Flashes (green) for 15 seconds | Flashes (green) for 15 seconds |
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.