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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-715 STEP 3. Using scan tool MB991958, read the diagnostic again. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, Diagnosis or GROUP 42C, Diagnosis − ID Codes Registration Judgment Table <Vehicles with NO : It can be assumed that this malfunction is intermittent of CAN bus line between ECM and ASC-ECU. Refer − How to Cope with Intermittent Malfunctions . STEP 4. Using scan tool MB991958, read the diagnostic again. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Retry the troubleshooting. DTC U1180: Combination Meter Time-out CAUTION • If the ECM output the DTC U1180, make sure to diagnose the CAN bus line. • Before replacing the ECU, make sure that the communication circuit is operating normally. . DESCRIPTIONS OF MONITOR METHODS There is no data from combination meter for the specified time. (Meter also detect communication . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Not applicable . |