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 MANUALSMITSUBISHI2009LANCER L4-2.4L (4B12)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYSERVICE AND REPAIR
2009 Mitsubishi Lancer L4-2.4L (4B12)
Keyless Entry: Service and Repair
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION Service and Repair
INSPECTION OF KEYLESS ENTRY TIMER LOCK FUNCTION
Attempt to unlock the doors by using the keyless operation key. If the doors is not locked within 30 seconds, carry out diagnosis. Note that the doors will not be locked if the ignition key is inserted within the 30-second period, one of the doors is opened. (Refer to Trouble Symptom Chart).
NOTE: The operation time of the keyless entry timer lock function can be set using the customization function. Confirm the operation time before performing the diagnosis. (Refer to Configuration Function)
Attempt to unlock the doors by using the keyless operation key. If the doors is not locked within 30 seconds, carry out diagnosis. Note that the doors will not be locked if the ignition key is inserted within the 30-second period, one of the doors is opened. (Refer to Trouble Symptom Chart).
NOTE: The operation time of the keyless entry timer lock function can be set using the customization function. Confirm the operation time before performing the diagnosis. (Refer to Configuration Function)
RENDER: 1.0x
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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.