DTC Description

DTC DETECTION LOGIC

DTC Description		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C18E3	86	External brake (External brake)	Diagnosis condition	Electric motor switch ON
			Signal (terminal)	–
			Threshold	The electric driven intelligent brake unit receives an abnormal brake request from ABS actuator and electric unit via CAN.
			Diagnosis delay time	Within 1 second

POSSIBLE CAUSE

Electric driven intelligent brake unit
ABS actuator and electric unit (control unit)

FAIL-SAFE

Stop the following operations.

4-wheel automatic pressure application function operated due to external brake request (FCM, ACC, innovative pedal operation mode, etc.)

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the electric motor switch OFF (Auto ACC function OFF) before conducting the next test.

2.CHECK DTC DETECTION

M.U.T.-III SE

Change the power supply mode of the electric motor switch to OFF (Auto ACC function OFF).
Change the power supply mode of the electric motor switch is ON (READY indicator: ON)
note Wait at least 10 seconds after change the electric motor switch to ON,
Perform the self-diagnosis of "EBA".

Is DTC “C18E3-86” detected?

-1"Active DTC" is displayed. Refer to Diagnosis Procedure

-2“Stored DTC” is displayed: INSPECTION END (Erase the memory of self-diagnosis results.)

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

. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS

-2Confirmation after repair: INSPECTION END