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Curriculum
Module 16advanced

Actuators, Solenoids & Electric Motor Control

Understand how ECUs drive valves, solenoids, heaters and motors, and how current/waveform evidence proves actuator health.

Lessons

10

Estimated time

200 min

Completed

00/10

Start lesson 01

By the end of this module

Prove whether the ECU is actually commanding an output — and whether the output obeyed.

Lessons

10 total

  1. 01ECU Outputs and Driver ProtectionUnderstand why an ECU output may shut down after detecting a fault.20 min
  2. 02On/Off SolenoidsTest a simple solenoid circuit correctly.20 min
  3. 03PWM SolenoidsInterpret PWM-controlled valves with meter/scope/current evidence.20 min
  4. 04DC MotorsDiagnose pumps, fans, windows and other DC motor loads.20 min
  5. 05H-Bridge Motor ControlUnderstand how modules move motors both directions without mechanical relays.20 min
  6. 06Stepper MotorsRecognise stepper architecture and appropriate testing limits.20 min
  7. 07Heaters and Resistive LoadsDiagnose resistive heating circuits using current and voltage drop.20 min
  8. 08Piezo and Special ActuatorsRecognise circuits that must not be tested like ordinary 12V solenoids.20 min
  9. 09Command, Feedback and Mechanical ResponseProve whether the control system, actuator or mechanism is at fault.20 min
  10. 10Diagnostic Case: Actuator Does Not MoveDiagnose an electronically controlled actuator without parts swapping.20 min