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 MANUALSLEXUS2004GS 300REPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSDRIVER DOOR CONTROL SYSTEM
2004 Lexus GS 300
Driver Door Control System
2004 Lexus GS 300SECTION Driver Door Control System
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Parts Location
- Terminals Of Ecu
- Problem Symptoms Table
- Circuit Inspection
- Power source circuit
- Power window master switch circuit
- Door lock motor circuit
- Door unlock detection switch circuit
- Door key lock and unlock switch circuit
- Door courtesy light and courtesy switch circuit
- Power window motor circuit
- Jam Protection limit switch circuit
- Jam protection pulse switch circuit
- Mirror motor circuit
- Mirror retract motor circuit (TAIWAN only)
- Mirror position sensor circuit (W/ memory)
- Memory switch circuit (W/memory)
RENDER: 1.0x
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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.