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Home >> Nissan-Datsun >> 2021 >> Armada SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 5) >> Engine (ECM) >> DTC P0531: A/C Refrigerant Pressure Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0531

REFRIGERANT PRESS SENSOR A

(A/C refrigerant pressure sensor A circuit range/performance

Diagnosis condition

Engine running at idle

Signal (terminal)

Refrigerant pressure sensor signal

Threshold

ECM detects that input signal from the refrigerant pressure sensor is out of the specified range

Diagnosis delay time

10 seconds