L0436

DTC L0434: RLS Rain Sensor Error
DTC L0436: RLS Light Sensor Error

TROUBLE JUDGMENT
If a trouble occurs in the lighting control sensor, DTC L0434 and L0436 are stored to LIN.

TECHNICAL DESCRIPTION (COMMENT)
Malfunction of the lighting control sensor

DIAGNOSIS

Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)

Using scan tool MB991958, Check whether the diagnostic trouble code is reset.

Check again if the DTC is set to LIN.

CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.







1. Connect scan tool MB991958. Refer to "How to connect scan tool." How to Connect the Scan Tool (M.U.T.-III)
2. Erase the DTC.
3. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
4. Check if DTC is set.

Q: Is the DTC set?

YES : Replace the lighting control sensor.

NO : The trouble can be an intermittent malfunction.