Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2012LANCER AWD L4-2.4L (4B12)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSWIRELESS CONTROL MODULE (WCM)KEYLESS ENTRY SYSTEM INSPECTION
2012 Mitsubishi Lancer AWD L4-2.4L (4B12)
Keyless Entry System Inspection
2012 Mitsubishi Lancer AWD L4-2.4L (4B12)SECTION Keyless Entry System Inspection
KEYLESS ENTRY SYSTEM CHECK
Check the keyless entry system as described below. If it does not work, perform troubleshooting.
Refer to Symptom Chart.
- Operate the transmitter to check that the doors and liftgate [LANCER SPORTBACK] can be locked and unlocked.
- Operate the transmitter to check that the answerback function works in response to doors and liftgate [LANCER SPORTBACK] locking/unlocking.
NOTE:
The hazard answerback setting can be changed using the customization function. Confirm which setting is activated before performing these checks. Refer to Configuration Function.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.