Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0453 EVAP control system pressure sensor
DTC Logic

DTC DETECTION LOGIC

NOTE: If DTC P0451 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC, "DTC Logic".

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0453 EVAP SYS PRES SEN (EVAP control system pressure sensor high input) An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors (EVAP control system pressure sensor circuit is shorted.) [Crankshaft position sensor (POS) circuit is shorted.] (Battery current sensor circuit is shorted.) (Refrigerant pressure sensor circuit is shorted.) (Accelerator pedal position sensor 2 circuit is shorted.)
  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Battery current sensor
  • Refrigerant pressure sensor
  • Accelerator pedal position sensor

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  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 5C (41F) 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. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
  5. Make sure that "FUEL T/TMP SE" indication is more than 0C (32F).
  6. Start engine and wait at least 20 seconds.
  7. Check 1st trip DTC.

With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Set voltmeter probes to ECM harness connector terminals as per the following. 
  3. Make sure that the voltage is less than 4.2 V.
  4. Turn ignition switch OFF and wait at least 10 seconds.
  5. Start engine and wait at least 20 seconds.
  6. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Proceed to EC, "Diagnosis Procedure".

NO >> INSPECTION END

    More about «P0453 EVAP control system pressure sensor»:

    DTC Logic

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