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EC-318 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR Description INFOID:0000000009720044 The EVAP control system pressure sensor detects pressure in the DTC Logic INFOID:0000000009720045 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- 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: ° C (41 ° F) or more. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Start engine and warm it up to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Turn ignition switch ON. 4. Turn ignition switch OFF and wait at least 10 seconds. 5. Turn ignition switch ON. 6. Select “DATA MONITOR” mode with CONSULT. 7. Check that “FUEL T/TMP SE” is more than 0 ° C (32 ° F). 8. Start engine and wait at least 20 seconds. 9. Check 1st trip DTC. PBIB3370E DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0453 EVAP control system An excessively high voltage from the sensor is • Harness or connectors (The sensor circuit is open or shorted.) • EVAP control system pressure sensor control valve to vehicle frame |