DTC Detection Logic
DTC DETECTION CONDITION AND POSSIBLE CAUSES REFERENCE TABLE
| 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 circuit is shorted.
Camshaft position. CMP sensor (bank 2) circuit is shorted.
Exhaust valve timing (EVT) control position sensor (bank 2) circuit is shorted.
Battery current sensor 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
- CMP sensor (bank 2)
- EVT control position sensor (bank 2)
- Battery current sensor
- APP sensor
- Refrigerant pressure sensor
- EVAP canister vent control valve
- EVAP canister
- Rubber hose from EVAP canister vent control valve to vehicle frame
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