Solara L4-2.4L (2AZ-FE) (2006)
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a. waveform 1: Measure the waveform between terminal LCKI (C23) of the ECM and body ground.
OK:
Waveform operate as shown in the illustration.
If the waveform is as specified, replace the ECM with a new one. If the waveform is not as specified, inspect the circuits connected to other
parts.