P0220 TP Sensor 2 Circuit Malfunction (With Electronic Throttle Body).P0120 TP Sensor 1 Circuit Malfunction (With Electronic Throttle Body).Cleaning The GM Electronic Throttle Body (4.8L, 5.3L, 6.0L).GM Electronic Throttle Body Circuit Descriptions And Testing Tips.Resistance Specifications Of APP Sensor 1, APP Sensor 2.
#SIGNAL PATH RESET FOR RECALIBRATION HOW TO#
How To Test The GM Accelerator Pedal Position (APP) Sensor 2.Now, before I dive right into the tutorial, let me tell you that this tutorial complements several other tutorials (which are also found here at ): That APP Sensor's 3 signal decreases from above 3.2 Volts at 0% pedal travel to below 3.1 Volts at 100% pedal travel.That APP Sensor 2's signal decreases from above 3.9 Volts at 0% pedal travel to below 2.9 Volts at 100% pedal travel.That APP Sensor 1's signal increases as the accelerator pedal is depressed, from below 1.1 volt at 0% pedal travel (pedal at rest) to above 2.1 Volts at 100% pedal travel (pedal fully depressed).Each one has separate signal, Ground, and 5.0 volt reference circuits.That the Accelerator Pedal Assembly is made up of 3 individual position sensors.The Accelerator Pedal Assembly is not connected to the throttle plate via a cable (like in the good ole' days).The Accelerator Pedal Position sensor is inside the Accelerator Pedal Assembly.If you've done any type of research (before finding this tutorial), you probably already know that: This test tutorial will help you diagnose a Accelerator Pedal Position (TP) Sensor 1 Malfunction diagnostic trouble code in a step-by-step manner using only a multimeter.
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