Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
/Page-1564010.png)
Q: Does scan tool MB991958 display the item "Trunk/gate trunk ajar switch" as normal condition?
YES : (Normal condition is displayed.) Go to Step 3.
NO : (Normal condition is not displayed.) Troubleshoot the ETACS-ECU. Refer to ETACS, Diagnosis, Input signal chart. See: Body and
Frame/Body Control Systems/Body Control Module/Testing and Inspection/Scan Tool Testing and Procedures/Trouble Symptom Chart For Input
Signal
STEP 3. Check luggage compartment light connector F-01 for loose, corroded or damaged terminals, or terminals pushed back in the
connector.
Q: Is luggage compartment light connector F-01 in good condition?
YES : Go to Step 4.
NO : Repair or replace the damaged component(s).
STEP 4. Luggage compartment light bulb check
Check that the luggage compartment light bulb is normal.
Q: Is luggage compartment light bulb normal?
YES : Go to Step 5.
NO : Replace the luggage compartment light bulb.
STEP 5. Check ETACS-ECU connector C-311 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is ETACS-ECU connectors C-311 in good condition?
YES : Go to Step 6.
NO : Repair or replace the damaged component(s).
STEP 6. Check the wiring harness between luggage compartment light connector F-01 (terminal 1, 2) and ETACS-ECU connector C-311
(terminal 17, 3).
-
Check the line for open circuit.
NOTE Also check intermediate connector D-17 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If
intermediate connector D-17 is damaged, repair or replace the connector.
Q: Is wiring harness between luggage compartment light connector F-01 (terminal 1, 2) and ETACS-ECU connector C-311 (terminal 17, 3) in good
condition?
YES : Go to Step 7.
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 7. Retest the system
Check that the luggage compartment light illuminates and extinguishes normally.
Q: Do the trunk room work normal?
YES : The trouble can be an intermittent malfunction.
NO : Replace the ETACS-ECU.
