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 MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSPASSENGER DOOR CONTROL SYSTEMJAM PROTECTION PULSE SWITCH CIRCUIT
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Jam Protection Pulse Switch Circuit
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Jam Protection Pulse Switch Circuit
CIRCUIT DESCRIPTION
Jam protection pulse switch is built-in the power window motor. Pulse switch outputs ON/OFF pulse when the motor rotates.
WIRING DIAGRAM
INSPECTION PROCEDURE
Jam protection pulse switch is built-in the power window motor. Pulse switch outputs ON/OFF pulse when the motor rotates.
WIRING DIAGRAM
Step 1:
Step 2:
INSPECTION PROCEDURE
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.