DTC Description

DTC DETECTION LOGIC

DTC detection	M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C18E9-46	ECU (Electric control unit)	Diagnosis condition	Electric motor switch ON
		Signal (terminal)	–
		Threshold	A malfunction is detected when the internal malfunction of the electric driven intelligent brake unit occurs. A malfunction is detected when the internal data of the electric driven intelligent brake unit cannot be read.
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

Electric driven intelligent brake unit

FAIL-SAFE

Stop the following operations.

Boosting operation by electric driven intelligent brake unit
Regenerative brake function
4-wheel automatic pressure application function operated due to external brake request (FCM, ACC, innovative pedal operation mode, etc.)

DTC CONFIRMATION PROCEDURE

1.CHECK DTC DETECTION

M.U.T.-III SE

Change the power supply mode of the electric motor switch is ON (READY indicator: ON)
Use the M.U.T.-III SE, then select self-diagnosis for "EBA".
Check the DTC.

Is DTC detected?

-1To check malfunction symptom before repair: Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS

-2Confirmation after repair: INSPECTION END