06–
254
06
Electronic Throttle Assembly
Description
The electronic throttle assembly is located on intake manifold assembly.
Operation
The electronic throttle assembly is a critical part for engine intake system. Its main function is to adjust intake
passage area according to driver's driving intention, and control intake air volume to meet the intake
requirement for engine in different operating conditions, and send back the position signals of throttle valve
plate to control unit to achieve accurate control. The throttle valve plate will stop at the limp home position
(NLP) determined in a mechanical way when a malfunction occurs.
The electronic throttle assembly consists of four parts: drive module, train module, executive module and
feedback module, and all components are integrated into the same throttle valve housing.
Removal & Installation
(
See page 10-20
)