Lancer L4-2.4L SOHC (2005)
STEP 6. Check the wiring harness between backup light switch connector B-111 (terminal 2) and ETACS-ECU connector C-227 (terminal 39).
NOTE: Also check joint connector C-101 and intermediate connector C-124 for loose, corroded, or damaged terminals, or terminals pushed back in the
connector. If joint connector C-101 or intermediate connector C-124 are damaged, Repair or replace the damaged component(s) as described in Harness
Connector Inspection.
Q: Is the wiring harness between backup light switch connector B-111 (terminal 2) and ETACS-ECU connector C-227 (terminal 39) in good condition?
YES: Replace the ETACS-ECU. If the rear wiper operates normally, it indicates that a correct "R" position signal is sent from the backup light switch.
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. If the rear wiper operates normally, it indicates that a correct "R" position signal is sent from the
backup light switch.
The ETACS-ECU Does Not Receive Any Signal From the Driver's Seat Belt Switch
The ETACS-ECU does not receive any signal from the driver's seat belt switch.
