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.
2007 Lexus LS 460FACTORY OEM SERVICE PROCEDURE
Input/Output Signal Chart
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
INPUT/OUTPUT SIGNAL CHART
| Switch | Input signal to BCM | BCM function | Actuator |
|---|---|---|---|
| Push-button ignition switch | Push switch | Engine start function |
|
| CVT device | P range | ||
| TCM | N, P range | ||
| Stop lamp switch | Brake ON/OFF | ||
| Each inside key antenna | Request signal | ||
| Remote keyless entry receiver | Key ID | ||
| Each door switch | Door open/close | ||
| ECM | Engine status signal |
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.
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