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Home >> Infiniti >> 2013 >> JX35 AWD >> 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. Trouble diagnosis name
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P0643 SENSOR POWER/CIRC
(Sensor power supply 1 circuit short)		 ECM detects a voltage of power source for sensor is excessively low or high. Sensor power supply 1 circuit
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