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Home >> Nissan-Datsun >> 2021 >> Rogue Sport SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> Engine (ECM) >> DTC P0643: Sensor Power Supply >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0643

SENSOR POWER/CIRC

(Sensor reference voltage "A" circuit high)

Diagnosis condition

Engine running at idle

Signal (terminal)

Sensor power supply 1 signal

Threshold

ECM detects that the voltage of sensor power supply 1 is excessively low or high

Diagnosis delay time

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