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Home >> Infiniti >> 2020 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (10 Of 19) >> Engine (ECM) >> DTC P0643: Sensor Power Supply >> DTC Description >> Turbo high pressure models >> Notes

Turbo high pressure models: Notes

ECM supplies a voltage of 5 V to some of the sensors systematically divided into 3 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the short-circuited sensor.