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 DIAGNOSISWIPER AND WASHER SYSTEMSRAIN SENSORTESTING AND INSPECTION
2009 Mitsubishi Lancer L4-2.4L (4B12)
Rain Sensor: Testing and Inspection
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION Testing and Inspection
LIGHTING CONTROL SENSOR (RAIN SENSOR) ADAPTATION
CAUTION:
- Before performing the adaptation, check if the lighting control sensor (rain sensor)-related diagnosis code is set in the lighting control sensor (rain sensor).
- Turn the wiper switch to the OFF position.
1. Clean the windshield in fine weather.
2. Wipe the surface of the windshield thoroughly, and check that the surface is dry.
3. Turn the ignition switch to the ON position.
4. Turn the ignition switch to the LOCK (OFF) position.
CAUTION: Before connecting or disconnecting M.U.T.-III, always turn the ignition switch to the LOCK (OFF) position.
5. Connect the M.U.T.-III to the diagnosis connector.
6. Turn the ignition switch to the ON position.
7. Wipe the windshield surface of the lighting control sensor section thoroughly, and check that the surface is dry.
8. Select "LIN" on the "System Select" screen, and press the "OK" button.
9. Select "Rain light sensor" on the "System Select" screen, and press the "OK" button.
10. Select "Special Function" on the "Rain light sensor" screen.
11. Select "Rain Sensor Adaptation" on the "Special Function" screen.
12. Press the "OK" button, and execute the "Rain Sensor Adaptation".
13. Press the "OK" button after the execution screen is displayed.
14. Press the "OK" button after "Completed" is displayed.
CAUTION:
- Before performing the adaptation, check if the lighting control sensor (rain sensor)-related diagnosis code is set in the lighting control sensor (rain sensor).
- Turn the wiper switch to the OFF position.
1. Clean the windshield in fine weather.
2. Wipe the surface of the windshield thoroughly, and check that the surface is dry.
3. Turn the ignition switch to the ON position.
4. Turn the ignition switch to the LOCK (OFF) position.
CAUTION: Before connecting or disconnecting M.U.T.-III, always turn the ignition switch to the LOCK (OFF) position.
5. Connect the M.U.T.-III to the diagnosis connector.
6. Turn the ignition switch to the ON position.
7. Wipe the windshield surface of the lighting control sensor section thoroughly, and check that the surface is dry.
8. Select "LIN" on the "System Select" screen, and press the "OK" button.
9. Select "Rain light sensor" on the "System Select" screen, and press the "OK" button.
10. Select "Special Function" on the "Rain light sensor" screen.
11. Select "Rain Sensor Adaptation" on the "Special Function" screen.
12. Press the "OK" button, and execute the "Rain Sensor Adaptation".
13. Press the "OK" button after the execution screen is displayed.
14. Press the "OK" button after "Completed" is displayed.
RENDER: 1.0x
NO RELATED
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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.