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.
Throttle Position Sensor
1998 Lexus GS 300SECTION Throttle Position Sensor
TP SENSOR RESISTANCE
| Application & Throttle Plate Position | TP Sensor Terminals | Resistance Ohms @ 68°F (20°C) | |||
|---|---|---|---|---|---|
| ES300 (1) | |||||
| Throttle Fully Closed | VTA & E2 | 200-6300 | |||
| Throttle Fully Open | VTA & E2 | 2000-10,200 | |||
| All Positions | VC & E2 | 2500-5900 | |||
| GS300 & SC300 | VC & E2 | 1200-3200 | |||
| GS400, LS400 & SC400 | VC & E2 | 1250-2350 | |||
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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.