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 (TP) Sensor
1997 Toyota Previa DX, RWDSECTION Throttle Position (TP) Sensor
- Ensure ignition is off. Disconnect electrical connector from TP sensor on throttle body. Note terminal identification on TP sensor. See Fig 1.
- Apply vacuum to throttle opener. Insert specified thickness feeler gauge between throttle stop screw and throttle lever, and check resistance or continuity. See TP SENSOR RESISTANCE SPECIFICATIONS table. Replace or adjust throttle position sensor if not within specification.
TP SENSOR RESISTANCE SPECIFICATIONS
| Application Type | Clearance In. (mm) | Terminals Tested | Ohmmeter Reading | ||
|---|---|---|---|---|---|
| 2.4L (1) | Fully Closed | VTA & E2 | 200-5700 | ||
| " | .020 (.50) | IDL & E2 | 2300 Or Less | ||
| " | .037 (.95) | IDL & E2 | No Continuity | ||
| " | Fully Open | VTA & E2 | 2000-10,200 | ||
| " | " | VC & E2 | 2500-5900 | ||
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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.