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EC-740 < COMPONENT DIAGNOSIS > [VK56DE] P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR Component Description INFOID:0000000005257707 The EVAP control system pressure sensor (2) detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. • Fuel filler pipe (top of frame view) (1) • EVAP canister vent control valve (3) • EVAP canister (4) • Drain filter (5) : Vehicle front On Board Diagnosis Logic INFOID:0000000005257708 NOTE: If DTC P0452 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-779, "DTC Confirmation Procedure" . DTC Confirmation Procedure INFOID:0000000005257709 NOTE: If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next step. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: Always perform test at a temperature of 5 ° C (41 ° F) or more. WITH CONSULT-III 1. Start engine and warm it up to normal operating temperature. ° C (32 ° F). AWBIA0134ZZ PBIB3370E DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0452 EVAP control system pressure An excessively low voltage from the sensor • Harness or connectors (The sensor circuit is open or shorted.) • EVAP control system pressure sensor 2010 Pathfinder |