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 MANUALSTOYOTA2009YARIS S, 4D HATCHBACKREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEM (1NZ-FE)THROTTLE BODYINSPECTION

2009 Toyota Yaris S, 4D Hatchback

Throttle Body: Inspection

2009 Toyota Yaris S, 4D HatchbackSECTION Inspection

INSPECT THROTTLE WITH MOTOR BODY ASSEMBLY

Check the resistance.

Using an ohmmeter, measure the resistance between the terminals.

Standard resistance

RESISTANCE REFERENCE

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

Fig 1: Inspecting Throttle With Motor Body Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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.