In this video I'll show you how you can diagnose problems with the throttle position sensor whether a 3 or 4 wire sensor without a wiring diagram. I'll explain what the reference voltage, Signal Voltage, ground and in the case of this LS400 IDLE Switch Voltage is and how to check them as well. Facebook: https://www.facebook.com/Ratchets2015
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Disclaimer:
Due to factors beyond the control of Ratchets and Wrenches, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Ratchets and Wrenches assumes no liability for any property or personal damage that may arise from doing a repair on your vehicle after watching any of my repair video's. Due to factors beyond the control of Ratchets and Wrenches, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Again Any injury, damage or loss that may result from improper use of tools, equipment, or the information contained in this video is the sole responsibility of the user and not Ratchets and Wrenches.
