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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-15 NOTE: After the ECM has detected a malfunction, the Malfunction Indicator Lamp (SERVICE ENGINE • In case that the misfire causing the damaged catalyst is detected, the Malfunction Indicator Lamp (SER- VICE ENGINE SOON or Check Engine Lamp) is illuminated at the time. • In case that the misfire deteriorating the exhaust gas is detected, the Malfunction Indicator Lamp (SER- VICE ENGINE SOON or Check Engine Lamp) is illuminated when the same malfunction is redetected NOTE: After the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates, • When the ECM monitored the powertrain malfunction three times* and met set condition requirements, it detected no malfunction. *: In this case, "one time" indicates from engine start to next engine start. • For misfiring or a fuel trim malfunction, when driving conditions (engine speed, engine coolant tempera- ture, etc.) are similar to those when the malfunction was first recorded. HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A P2128 *1 Accelerator pedal position sensor (sub) circuit high input P2135 *1 Throttle position sensor (main and sub) range/performance problem P2138 *1 Accelerator pedal position sensor (main and sub) range/performance problem P2228 *1 Barometric pressure circuit low input P2229 *1 Barometric pressure circuit high input P2237 Linear air-fuel ratio sensor positive current control circuit/open P2243 Linear air-fuel ratio sensor reference voltage circuit/open P2251 Linear air-fuel ratio sensor negative current control circuit/open P2252 Heated oxygen sensor offset circuit low voltage P2253 Heated oxygen sensor offset circuit high voltage U0101 *1 TCM time-out U0141 *1 ETACS-ECU time-out U1180 *1 Combination meter time-out DTC ITEM |