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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-239 STEP 12. Replace the injector. Procedure 6 − Other Monitor ( ). (3) Check the diagnostic trouble code (DTC). Q: Is the DTC P0300 is output? YES : Replace the ECM or PCM. Then go to Step 13. STEP 13. Test the OBD-II drive cycle. Procedure 6 − Other Monitor ( ). (2) Check the diagnostic trouble code (DTC). Q: Is the DTC P0300 is output? YES : Retry the troubleshooting. DTC P0301: Cylinder 1 Misfire Detected, DTC P0302: Cylinder 2 Misfire Detected, DTC P0303: Cylinder Misfire Detected Circuit • Refer to, DTC P0201, P0203, P0205 − Injector Circuit ( • Refer to, DTC P0202, P0204, P0206 − Injector Circuit ( CIRCUIT OPERATION • Refer to, DTC P0201, P0203, P0205 − Injector Circuit ( • Refer to, DTC P0202, P0204, P0206 − Injector Circuit ( TECHNICAL DESCRIPTION • If a misfire occurs while the engine is running, the • The ECM <M/T> or PCM <A/T> checks for such DTC SET CONDITIONS Check Conditions • Five seconds or more have passed after the • Engine speed is between 440 and 6,000 r/min. • Engine coolant temperature is higher than -10 ° C (14 ° F). • Intake air temperature is higher than -10 ° C (14 ° F). • Barometric pressure is at between 77kPa (11psi) • Adaptive learning is complete for the vane which • While the engine is running, excluding gear • Vehicle speed is 2.5km/h (1.6mph) or more. • The throttle deviation is -0.059v/10ms to +0.059v/ Judgement Criteria (change in the angular acceleration of the crankshaft is used for • Misfire has occurred in 4 or more of the last 200 ° C (1,742 ° F)]. or • Misfire has occurred in 20 or more of the last TROUBLESHOOTING HINTS (The most likely • Ignition system related part(s) failed. AK000215 AK000215 B-01 B-05 B-26 B-02 B-06 B-25 AB CONNECTORS : B-01, B-02, B-05, B-06, |