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Home >> Infiniti >> 2019 >> QX60 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (11 Of 17) >> DTC/Circuit Diagnosis >> DTC P0643: Sensor Power Supply >> DTC Description >> DTC Detection Logic
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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

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