Lancer L4-2.4L SOHC (2005)
If the front dome light switch and the rear dome light switch <vehicles without sunroof> are moved to the "door interlock position", the front dome light
and the rear dome light <vehicles without sunroof> should illuminate when either door is opened.
Q: Do the front dome light and the rear dome light <vehicles without sunroof> illuminate normally?
Both the front dome light and the rear dome light <vehicles without sunroof> illuminate normally. : Go to Step 2.
Neither the front dome light nor the rear dome light <vehicles without sunroof> illuminates normally. : Refer to Inspection Procedure L-1
"Front dome light, rear dome light and luggage compartment light do not illuminate or go out normally."
Either the front dome light or the rear dome light <vehicles without sunroof> illuminates normally. : Refer to Inspection Procedure L-2 "Front
dome light, rear dome light or luggage compartment light do not illuminates or goes out normally."
STEP 2. Use scan tool MB991958 to select "ECU COMM CHK" on the SWS monitor display.
Check the ETACS-ECU.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958. Connect the DLC harness before connecting the column-ECU harness. Be sure to connect SWS monitor kit
MB991813 after turning on scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Connect SWS monitor kit MB991813 to the column switch connector.
3. Turn the ignition switch to the "LOCK" (OFF) position.
4. Operate scan tool MB991958 according to the procedure below to display "ECU COMM CHK."
a. Select "SYSTEM SELECT."
b. Select "SWS."
c. Select "SWS MONITOR."
