DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis name)

DTC detecting condition

P0531

REFRIGERANT PRESS SENSOR A

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

Diagnosis condition

• Ignition switch ON
• Engine running

Signal (terminal)

Refrigerant pressure sensor signal

Threshold

ECM detects that input signal is out of the specified range.

Diagnosis delay time

5 seconds or more