P0300
DTC P0300 / P0301 / P0302 / P0303 / P0304NOTE: For identification of each cylinder, refer to Precautions for Identification of Cylinder.
System Description
ECM measures the angle of the crankshaft based on the pulse signals from the CKP sensor and CMP sensor for each cylinder. If it detects a large change in the angle speed of the crankshaft, it is concluded as the occurrence of a misfire. When the number of misfire is counted by ECM beyond the DTC detecting condition, it determine the cylinder where the misfire occurred and output it as DTC.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persons, a driver and a tester, on a level road.
NOTE: If DTC other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.
1. Warm up engine to normal operating temperature.
2. Drive vehicle at 80 - 100 km/h (50 - 62 mile/h) for 10 min. (Keep engine speed at 2,500 - 4,000 rpm in this step.)
DTC Troubleshooting
