Throttle Body: Inspection: Inspection

WARNING: This page is about a different car, the 2011 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT THROTTLE BODY ASSEMBLY

Check that the throttle valve opens and closes smoothly.
Check that there is no carbon accumulated around the throttle plate.

Measure the resistance according to the value(s) in the table below.

Fig 1: Identifying Throttle Body Assembly Connector Terminal

Standard Resistance

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

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