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 MANUALSSCION2007TC BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEM (2AZ-FE)THROTTLE BODYINSPECTION

2007 Scion tC Base, Automatic

Throttle Body: Inspection

2007 Scion tC Base, AutomaticSECTION Inspection

INSPECT THROTTLE BODY

Measure the resistance of the throttle control motor.

Standard resistance

THROTTLE BODY TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
1(M-) - 2(M+)	0.3 to 100 Ω at 20°C (68°F)

If the result is not as specified, replace the throttle body.

Fig 1: Measuring Resistance Of Throttle Control Motor

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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.