Signal Waveform

SIGNAL WAVEFORM REFERENCE CHART

Test Condition		Scan Tool Parameter	Scan Tool Screen
Test Condition		TPS VOLTAGE	Scan Tool Screen
Normal value with ignition "ON" & engine "OFF"	Accelerator pedal released	0.20~0.47V	Fig 1
Normal value with engine ON & accelerator pedal fully depressed		4.2~4.7V	-
Abnormal value with ignition "ON" & engine "OFF"	Power circuit open	0.01V	Fig 2
	Ground circuit open	4.99V	Fig 3
	TPS signal circuit open	4.99V	Fig 4
	TPS signal circuit short to ground	Approx. 0V	-
	TPS signal circuit short to battery	Above 4.99V	-

Fig 1: Signal Waveform - Throttle Position Sensor

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Fig 2: Scantool Display - Throttle Position Sensor (1 Of 3)

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Fig 3: Scantool Display - Throttle Position Sensor (2 Of 3)

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Fig 4: Scantool Display - Throttle Position Sensor (3 Of 3)

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