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Home >> Toyota >> 2004 >> MR2 C65M >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Diagnostics >> A/C Compressor Circuit >> Circuit Description
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Circuit Description

This sensor sends 1 pulse per engine revolution to the ECM. If the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the ECM turns the compressor off. And, the indicator flashes at about 1 second interval.

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