DTC Description

DTC DETECTION LOGIC

DTC No.		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C1BA1	82	SONAR Comm fail (Clock)	Diagnosis condition	When electric motor switch is ON
			Signal (terminal)	CAN communication signal
			Threshold	Not transmitting to sonar control unit.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

SONAR ECU

FAIL-SAFE

Normal Control

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the electric motor switch OFF and wait at least 10 seconds before conducting the next test.

2.CHECK DTC DETECTION

With M.U.T.-III SE

Turn the electric motor switch OFF to ON.
caution Be sure to wait of 10 seconds after turn the electric motor switch OFF or ON.
Perform Diagnostic Trouble Code for “CHASSIS CONTROL”.

Is DTC “C1BA1-82” detected?

Refer to Diagnosis Procedure

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

-2Confirmation after repair: INSPECTION END