Lancer L4-2.4L SOHC (2005)
STEP 9. Check the wiring harness between front-ECU connector A-11X (terminal 22) and ETACS-ECU connector C-228 (terminal 59).
NOTE: Also check intermediate connector C-129 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate
connector C-129 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection.
Q: Is the wiring harness between front-ECU connector A-11X (terminal 22) and ETACS-ECU connector C-228 (terminal 59) in good condition?
YES: Go to Step 10.
NO: The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the
connector. Repair the wiring harness as necessary. The system should communicate with the front-ECU normally.
STEP 10. Replace the ECU.
1. Replace the front-ECU.
2. The system should communicate with the front-ECU normally.
Q: Can the system communicate with the front-ECU?
YES: No action is necessary and testing is complete.
NO: Replace the ETACS-ECU. The system should communicate with the front-ECU normally.
Inspection Procedure A-5
Communication with the sunroof motor assembly (sunroof-ECU) is not possible.
