DTC Description

DTC DETECTION LOGIC

DTC		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C1F65	83	Sonar control unit (Sonar control unit)	Diagnosis condition	When FCM system is ON
			Signal (terminal)	—
			Threshold	If sonar control unit is malfunctioning
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

FAIL-SAFE

FCM

Rear AEB

CONFIRMATION PROCEDURE

1.CHECK DTC PRIORITY

If DTC “C1F65-83” is displayed with Network-DTC, first diagnose the Network-DTC.

Is applicable DTC detected?

Perform diagnosis of applicable. Refer to DTC IndexDTC Index

2.PERFORM DTC CONFIRMATION PROCEDURE

Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
Turn the FCM system ON.
Perform “Read All DTCs” with M.U.T.-III SE.
Check if the “C1F65-83” is detected as the current malfunction in "Diagnostic Trouble Code" of “ICC/ADAS 2”.

Is “C1F65-83” 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