Recorded WebinarUnderstanding the PCM - Sensors and Actuators Start Course Continue Course Retake Course Preview Course Learn More Progress Webinar Recording 1 Lesson Understanding the PCM - Sensors and Actuators This two-hour webinar provides useful diagnostic information for technicians of all skill levels. After an overview of vehicle computer system operation, you’ll see examples and case studies to build your comprehension of scan tool usage, PIDS, bi-directional control, fuel trim adjustments, MAP/MAF/O2 sensors and air-fuel ratios. This two-hour webinar provides useful diagnostic information for technicians of all skill levels. After an overview of vehicle computer system operation, you’ll see examples and case studies to build your comprehension of scan tool usage, PIDS, bi-directional control, fuel trim adjustments, MAP/MAF/O2 sensors and air-fuel ratios. Retake this course? Retaking this course from the beginning will reset all of your tracked progress. Retake Cancel