Lancer L4-2.0L SOHC (2004)
STEP 10. Check the wiring harnesses among fog light relay connector A-04X (terminal 1) and fog light (RH) connector A-31 (terminal 2).
NOTE: Also check intermediate connector A-30 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate
connectors A-30 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection.
Q: Are the wiring harnesses among fog light relay connector A-04X (terminal 1) and fog light (RH) connector A-31 (terminal 2) in good condition?
YES: Go to Step 11.
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. Verify that the fog lights illuminate normally.
STEP 11. Replace the ECU.
1. Replace the front-ECU.
2. Verify that the fog lights illuminate normally.
Q: Do the fog lights illuminate normally?
YES: No action is necessary and testing is complete.
NO: Replace the ETACS-ECU. Verify that the fog lights illuminate normally.
Inspection Procedure K-2
Fog Light: Fog lights do not go out when the headlights (low-beam) are turned off while the fog lights are on.
TECHNICAL DESCRIPTION (COMMENT)
If the trouble above occurs, the front-ECU may be defective.
TROUBLESHOOTING HINT
The front-ECU may be defective
DIAGNOSIS
Replace the front-ECU.
The fog lights should go out when the headlights (low-beam) are turned off while the fog lights are on.
