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 MANUALSLEXUS1996SC 400REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONSFUEL SYSTEMSUB-THROTTLE POSITION (SUB-TP) SENSOR

1996 Lexus SC 400

Sub-Throttle Position (Sub-TP) Sensor

1996 Lexus SC 400SECTION Sub-Throttle Position (Sub-TP) Sensor

NOTE: Vehicles with Traction Control System (TRAC) are equipped with a main TP sensor and a sub-TP sensor. The following table applies to sub-TP sensor. For main TP sensor table, see THROTTLE POSITION (TP) SENSOR .

SUB-TP SENSOR RESISTANCE

Throttle Plate Position

Sub-TP Sensor Terminals

Ohm Reading

Throttle Fully Closed

VTA1/2 & E2

340-6300

.012" (.35 mm) ⁽¹⁾

IDL1/2 & E2

500 Or Less

.020" (.50 mm) ⁽¹⁾

IDL1/2 & E2

Infinite (Open)

Throttle Fully Open

VTA1/2 & E2

2400-11,200

All Positions

VC & E2

3100-7200

⁽¹⁾	Remove sub-throttle actuator from throttle body. Insert feeler gauge between end of sub-throttle valve gear and sub-throttle valve stop screw.

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.