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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

Volt probing a wiring connector with a multimeter
Start lesson 01

By the end of this module

Plausibility-check commanded versus actual across throttle, air and boost control.

Lessons

10 total

  1. 01Electronic Throttle ArchitectureUnderstand throttle-by-wire control loops.20 min
  2. 02Throttle Motor Electrical TestingTest motor power/control and mechanical response.20 min
  3. 03Pedal-to-Throttle CorrelationUse correlated data to identify which side of the system is implausible.20 min
  4. 04Turbo Boost Control SolenoidsDiagnose electrically commanded pneumatic boost systems.20 min
  5. 05Electronic Turbo ActuatorsApproach smart turbo actuators as motor-feedback systems.20 min
  6. 06Variable Geometry Turbo FeedbackSeparate mechanical vane issues from electrical control.20 min
  7. 07Swirl Flaps and Intake Runner ControlDiagnose intake runner systems electrically and mechanically.20 min
  8. 08Variable Valve Timing ActuatorsUse command and cam response to isolate electrical vs hydraulic/mechanical causes.20 min
  9. 09Electric Vacuum and Auxiliary PumpsTest auxiliary motor loads and their control modules.20 min
  10. 10Diagnostic Case: Underboost With Electrical DTCsProve whether an air/boost complaint is sensor, actuator, wiring or mechanical.20 min
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