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Home >> Nissan-Datsun >> 2017 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> 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 power supply 1 circuit short)
Diagnosis condition Engine running at idle
Signal (terminal) Sensor power supply 1 signal
Threshold A voltage of power source for sensor is excessively low or high
Diagnosis delay time -