|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-307 DTC SET CONDITIONS Logic Flow Chart . Check Conditions • 2 seconds or more have passed since the start- ing sequence was completed. Judgment Criteria • Right bank heated oxygen sensor (rear) output voltage has continued to be 1.2 volts or higher for . OBD-ll DRIVE CYCLE PATTERN − OBD-ll Drive Cycle − Procedure 6 . . TROUBLESHOOTING HINTS (The most likely • Short circuit in right bank heated oxygen sensor (rear) ground line. • ECM failed. <M/T> • PCM failed. <A/T> • Connector damage. DIAGNOSIS Required Special Tool: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991911: Main Harness B START END NO NO YES YES MALFUNCTION GOOD 2secs HAVE PASSED? OUTPUT VOLTAGE > 1.2V NO YES MONITORING CONDITIONS AK301441 |