Signal Waveform & Data

Fig 1: Scan Tool Display - Normal Waveform Of APS1 & APS2 With No Acceleration

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Scan Tool Display - Normal Waveform Of APS1 & APS2 With Acceleration

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Fig 3: Scan Tool Display - Normal Data Of APS1 & APS2 At IG ON

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Fig 4: Scan Tool Display - Abnormal Data Of APS1 & APS2 When APS1 & APS2 Circuit Open

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Signal waveform of APS 1 & 2 shows that APS 2 increases voltage just half of APS 1 voltage increase when accelerating.