Lancer L4-2.0L (4B11) (2008)
STEP 8. Retest the system
Check that the rear dome light illuminates and extinguishes normally.
Q: Does rear dome light work normal?
YES : The trouble can be an intermittent malfunction (Refer to general (Body and Chassis) How to use Troubleshooting/inspection Service Points,
How to Cope with Intermittent Malfunction).
NO : Replace the ETACS-ECU.
Inspection Procedure 3
Inspection Procedure 3: The luggage compartment 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.
Luggage Compartment Light Circuit