Curriculum
Module 20advanced
Electronic Throttle, Air, Boost & Variable Control
Diagnose electronically controlled air paths, turbo actuators, throttle motors, swirl systems and variable valve controls.
Lessons
10
Estimated time
200 min
Completed
00/10
By the end of this module
Plausibility-check commanded versus actual across throttle, air and boost control.
Lessons
10 total
- 01Electronic Throttle ArchitectureUnderstand throttle-by-wire control loops.20 min
- 02Throttle Motor Electrical TestingTest motor power/control and mechanical response.20 min
- 03Pedal-to-Throttle CorrelationUse correlated data to identify which side of the system is implausible.20 min
- 04Turbo Boost Control SolenoidsDiagnose electrically commanded pneumatic boost systems.20 min
- 05Electronic Turbo ActuatorsApproach smart turbo actuators as motor-feedback systems.20 min
- 06Variable Geometry Turbo FeedbackSeparate mechanical vane issues from electrical control.20 min
- 07Swirl Flaps and Intake Runner ControlDiagnose intake runner systems electrically and mechanically.20 min
- 08Variable Valve Timing ActuatorsUse command and cam response to isolate electrical vs hydraulic/mechanical causes.20 min
- 09Electric Vacuum and Auxiliary PumpsTest auxiliary motor loads and their control modules.20 min
- 10Diagnostic Case: Underboost With Electrical DTCsProve whether an air/boost complaint is sensor, actuator, wiring or mechanical.20 min

