DTC Description

DTC DETECTION LOGIC

DTC Description		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C18FC	18	EBA temperature Sensor 1	Diagnosis condition	Electric motor switch ON
			Signal (terminal)	–
			Threshold	The temperature signal of the control module in the electric driven intelligent brake unit is detected as follows. Temperature signal of the control module: -43°C (-45.4°F) or less Temperature signal of the control module: 169°C (336.2°F) or more A malfunction of the temperature detection circuit inside the control module of the electric driven intelligent brake unit is detected.
			Diagnosis delay time	Within 1 second

POSSIBLE CAUSE

Harness or connector
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 “C18FC-18” detected?

Refer to Diagnosis Procedure

INSPECTION END