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1A-233 Engine General Information and Diagnosis: Reference waveform No.25 Reference waveform No.26 Reference waveform No.27 Reference waveform No.28 Measurement CH1: “C37-55” to “C37-57” Oscilloscope CH1: 2 V/DIV, CH2: 2 V/DIV Measurement • After warmed up to normal operating temperature • Engine racing 2. Throttle position sensor (main) signal Measurement CH1: “C37-56” to “C37-58” Oscilloscope CH1: 1 V/DIV Measurement • After warmed up to normal operating temperature • Run engine at 4000 r/min. I5JB0A110093-01 I4RS0B110072-01 Measurement CH1: “C37-56” to “C37-58” Oscilloscope CH1: 1 V/DIV µs/DIV Measurement • After warmed up to normal operating temperature • Run engine at 4000 r/min. Measurement CH1: “C37-60” to “C37-59” Oscilloscope CH1: 5 V/DIV Measurement At the moment of the ignition switch 1. ON signal I4RS0B110073-01 I4RS0B110074-01 |