DTC Detection Logic
DTC DETECTION 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.) [Crankshaft position (CKP) sensor (POS) circuit is shorted.] [Accelerator pedal position (APP) sensor 2 circuit is shorted.] (Refrigerant pressure sensor circuit is shorted.)
- EVAP control system pressure sensor
- CKP sensor (POS)
- APP sensor
- Refrigerant pressure sensor
- EVAP canister vent control valve
- EVAP canister
- Rubber hose from EVAP canister vent control valve to vehicle frame
|