DTC Description

DTC DETECTION LOGIC

DTC		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C1F04	48	FEB OPE COUNT LIMIT (Forward Emergency Braking operation count limit)	Diagnosis condition	When engine is running
			Signal (terminal)	—
			Threshold	AEB system operated 3 times within ignition switch ON.
			Diagnosis delay time	1 second or less

note	If “C1F04-48” detected, perform the AEB system action test and AEB system operates normally.

POSSIBLE CAUSE

AEB system operated 3 times within ignition switch ON.

FAIL-SAFE

The following systems are canceled.

CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

Start the engine.
Perform “Read All DTCs” with M.U.T.-III SE.
Check if the “C1F04-48” is detected as the current malfunction in “Self Diagnostic Result” of “ACC/ADAS 2”.

Is “C1F04-48” detected as the current malfunction?

Refer to DTC Diagnosis ProcedureDiagnosis Procedure

-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident

-2 Confirmation after repair: INSPECTION END