STEP 5. Using scan tool (M.U.T.-IIISE), read the DTC again.
Check again if DTC B1E1D is set in the ETACS-ECU.(1) Erase the DTC.
(2) Disconnect connector (a).- Front dome light body
- Rear dome light body
- Cargo room light body
- Sun visor
(3) Turn on the corresponding light.
(4) Check if DTC B1E1D is set.
(5) Repeat steps (1) to (4) for parts (b) to (d) to determine a fault cause.
Is the DTC set?
Replace the ETACS-ECU. Replace a defective bulb (the front dome light body, the rear dome light body, the cargo room light body or the sun visor).