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Home >> Nissan-Datsun >> 2013 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0643: Sensor Power Supply >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0643 SENSOR POWER/CIRC (Sensor reference voltage "A" circuit high) ECM detects a voltage of power source for sensor is excessively low or high. Sensor power supply 1 circuit
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