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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-365 STEP 1. Using scan tool MB991502, read the A/T CAUTION To prevent damage to scan tool MB991502, always turn the Q: Is the A/T-DTC is output? YES : Refer to GROUP 23A, Automatic Transaxle Diagnosis − Diagnostic Trouble Code Chart( NO : If DTC P0720 is output again after the MFI-DTC has been erased, replace the PCM. Then check that the DTC P0725: Engine Speed Input Circuit Malfunction TECHNICAL DESCRIPTION • When a malfunction of the crankshaft position DTC SET CONDITIONS Check Conditions, Judgment Criteria • Crankshaft position sensor failure signal is input TROUBLESHOOTING HINTS (The most likely • Crankshaft position sensor failed. • Open or shorted crankshaft position sensor • PCM failed. DIAGNOSIS Required Special Tools AC003081 AB 16 PIN MB991502 |