Posts by Jean-Luc Sauriol

Understanding TPS Sensor Function and Operation

The Powertrain control module (PCM) is the control centre for the throttle actuator control (TAC) system. In modern vehicles with drive-by-wire throttle systems, the ECM determines…

Accelerator Pedal Position Sensors

The electronically controlled throttle valve replaces the mechanical link between the accelerator pedal and throttle valve. As a result of this technology, the throttle valve is…

Training: Troubleshooting Tips

In the past, we could conclude that with a vehicle no start condition, the PCM was active if the check engine light came ON with the…

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