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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0453: EVAP Control System Pressure Sensor >> Diagnostic Procedure >> 3. Check EVAP Control System Pressure Sensor Power Supply Circuit
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3. Check EVAP Control System Pressure Sensor Power Supply Circuit

  1. Turn ignition switch ON.
  2. Check voltage between EVAP control system pressure sensor terminal 1 and ground with CONSULT-II or tester. See Figure.
    1. Voltage: Approximately 5V 

OK or NG 

OK : GO TO 5.

NG : GO TO 4.