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Waveform 1

Camshaft timing Oil Control Valve (OCV) operation signal

WAVEFORM 1 REFERENCE CHART

ECM Terminal Names Between OC1+ and OC1-, OC2+ and OC2-, OE1+ and OE1-, or OE2+ and OE2-
Tester Ranges 5 V/DIV, 1 msec./DIV
Conditions Idling

HINT:

The wavelength becomes shorter as the engine rpm increases.

Fig 1: Identifying Waveform 1
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