DTC Detection Logic
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible Cause |
| P0453 |
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 open or shorted.)
[CKP sensor (POS) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
- EVAP control system pressure sensor
- Crankshaft position sensor (POS)
- Accelerator pedal position sensor
- Refrigerant pressure sensor
- Brake booster pressure sensor
- EVAP canister vent control valve
- EVAP canister
- Rubber hose from EVAP canister vent control valve to vehicle frame
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