2008 Infiniti G35 BaseFACTORY OEM SERVICE PROCEDURE

DTC Detection Logic

DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0452 EVAP control system pressure sensor low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (EVAP control system pressure sensor circuit is open or shorted.)

    [CKP sensor (POS) circuit is shorted.]

    [CMP sensor (PHASE) (bank 2) circuit is shorted.]

    [EVT control position sensor (bank 2) circuit is shorted.]

    (Battery current sensor circuit is shorted.)

    (APP sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Exhaust valve timing control position sensor (bank 2)
  • Battery current sensor
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.