Throttle Body: Inspection

WARNING: This page is about a different car, the 2007 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT THROTTLE BODY

Measure the resistance of the throttle position sensor and control motor.

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
2 (M+) - 1 (M-)	20°C (68°F)	0.3 to 100 Ω
5 (VC) - 3 (E2)	20°C (68°F)	1.2 to 3.2 kΩ

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

Fig 1: Identifying Throttle Body Connector Terminals