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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P0651: Sensor Power Supply 2 >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

DTC

(Trouble diagnosis content)

Malfunction type

P0651

00

SENSOR REFERENCE VOLT B

(Sensor reference voltage "B" circuit/open)

NO SUBTYPE INFORMATION

Output 2 for the reference voltage of the sensors has an electrical malfunction or an open circuit.

04

SYSTEM INTERNAL MALFUNCTN

Output 2 for the reference voltage of the sensors has an electrical malfunction or an open circuit. There is an internal malfunction.

16

CIRC VOLT BELOW THRESHOLD

Output 2 for the reference voltage of the sensors has an electrical malfunction or an open circuit. The limit value for electrical voltage has not been attained.

17

CIRC VOLT ABOVE THRESHOLD

Output 2 for the reference voltage of the sensors has an electrical malfunction or an open circuit. The limit value for electrical voltage has been exceeded.