Lancer Sportback L4-2.4L (4B12) (2010)
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Q: Is front dome light bulb normal?
YES : Go to Step 10.
NO : Replace the front dome light bulb.
STEP 10. Check front dome light connector D-02 and ETACS-ECU connector C-316 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is front dome light connector D-02 or ETACS-ECU connector C-316 in good condition?
YES : Go to Step 11.
NO : Repair or replace the damaged component(s).
STEP 11. Check the wiring harness between front dome light connector D-02 (terminal 2) and ETACS-ECU connector C-316 (terminal 6)
Check the input lines for open circuit and short circuit.
Q: Are wiring harness between front dome light connector D-02 (terminal 2) and ETACS-ECU connector C-316 (terminal 6) in good condition?
YES : Go to Step 13.
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.
STEP 12. Retest the system
Check that the front dome light illuminates and extinguishes normally.
Q: Do the front dome light work normal?
YES : The trouble can be an intermittent malfunction. (Refer to How to use Troubleshooting/inspection sevice points - How to cope with
Intermittent Malfunction).
NO : Replace the ETACS-ECU.
STEP 13. Retest the system
Check that the front dome light illuminates and extinguishes normally.
Q: Do the front dome light work normal?
YES : The trouble can be an intermittent malfunction. (Refer to How to use Troubleshooting/inspection sevice points - How to cope with
Intermittent Malfunction).
NO : Replace the front dome light.
Inspection Procedure 2
Inspection Procedure 2: The rear dome light does not illuminate normally.
CAUTION: Whenever the ECU is replaced, ensure that the power supply circuit, the ground circuit and the communication circuit are
normal.