Lancer L4-2.0L (4B11) (2008)
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Turn the ignition switch to the "LOCK" (OFF) position.
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Remove the ignition key from the ignition key cylinder.
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Open the driver's door.
Q: Does scan tool MB991958 display the items "Dr door unlock", "Dr door ajar switch", and "Handle lock switch" as normal condition?
YES <Normal conditions are displayed for all the items.> : Go to Step 3.
NO <Normal condition is not displayed for item No. 228.> : Troubleshoot the ETACS-ECU. Refer to Chassis electrical Diagnosis - Inspection
Procedure 4 "ETACS-ECU does not receive any signal from the front door lock actuator". See: Computers and Control Systems/Body Control
Module/Testing and Inspection/Symptom Related Diagnostic Procedures/Inspection Procedure 4
NO <Normal condition is not displayed for item No. 254.> : Troubleshoot the ETACS-ECU. Refer to Chassis electrical Diagnosis - Inspection
Procedure 2 "ETACS-ECU does not receive any signal from the ignition switch (IG1)". See: Computers and Control Systems/Body Control
Module/Testing and Inspection/Symptom Related Diagnostic Procedures/Inspection Procedure 2
NO <Normal condition is not displayed for item No. 256.> : Troubleshoot the ETACS-ECU. Refer to Chassis electrical Diagnosis - Inspection
Procedure 6 "ETACS-ECU does not receive any signal from the front the front door switch (RH)". See: Computers and Control Systems/Body
Control Module/Testing and Inspection/Symptom Related Diagnostic Procedures/Inspection Procedure 6
NO <Normal condition is not displayed for item No. 264.> : Troubleshoot the ETACS-ECU. Refer to Chassis electrical, Diagnosis - Inspection
Procedure 3 "ETACS-ECU does not receive any signal from key reminder switch". See: Computers and Control Systems/Body Control
Module/Testing and Inspection/Symptom Related Diagnostic Procedures/Inspection Procedure 3
NO <Normal condition is not displayed for item No. 270, 271.> : Troubleshoot the ETACS-ECU. Refer to Chassis electrical Diagnosis -
Inspection Procedure 4 "ETACS-ECU does not receive any signal from front door lock actuator". See: Computers and Control Systems/Body
Control Module/Testing and Inspection/Symptom Related Diagnostic Procedures/Inspection Procedure 4
STEP 3. Check key reminder switch connector C-213, ETACS-ECU connector C-315 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is key reminder switch connector C-213, ETACS-ECU connector C-315 in good condition?
YES : Go to Step 4.
NO : Repair the damaged parts.
STEP 4. Check the Wiring harness between key reminder switch connector C-213 (terminal No. 3,5) and ETACS-ECU connector C-315
(terminal No. 13,18).
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Check the input/output line for open circuit.
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair the wiring harness between key reminder switch connector C-213 and ETACS-ECU connector C-315.
STEP 5. Check of ignition key cylinder illumination light bulb