DTC Description

DTC DETECTION LOGIC

DTC Description		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C18FA	46	EBA Calibration Failure (Electric driven intelligent brake unit Calibration Failure)	Diagnosis condition	Electric motor switch ON
			Signal (terminal)	–
			Threshold	A malfunction is detected when the internal data of the electric driven intelligent brake unit cannot be read.
			Diagnosis delay time	–

POSSIBLE CAUSE

Electric driven intelligent brake unit

FAIL-SAFE

Normal condition

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

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

2.CHECK DTC DETECTION

M.U.T.-III SE

Connect the all connectors.
Use the M.U.T.-III SE, then erase the DTC set in the "EBA".
Change the power supply mode of the electric motor switch to ON from OFF without depressing the brake pedal.
Use the M.U.T.-III SE, then check whether the DTC set in the "EBA".

Is DTC “C18FA-46” detected?

Refer to Diagnosis Procedure

INSPECTION END