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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (6 Of 12) >> DTC/Circuit Diagnosis >> DTC P0641: 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

P0641

00

Sensor reference voltage A

(Sensor reference voltage "A" circuit 1 open)

Diagnosis condition

  • Ignition switch ON
  • Battery voltage: 10 V or more

Signal (terminal)

Electric IVT control module power supply

Threshold

A voltage of power source for sensor is excessively low or high

Diagnosis delay time

1 second or more