DTC Description

DTC DETECTION LOGIC

DTC No.		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
C1BB4	45	CONTROL MODULE (Control module)	Diagnosis condition	When electric motor switch is ON
			Signal (terminal)	-
			Threshold	Chassis control module is malfunctioning.
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

Chassis control module

FAIL-SAFE

The following functions are suspended.^*

Brake auto hold function
Drive mode selector function
Innovative operation mode function

*: Depends on the DTC detection status

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, the 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 “C1BB4-45” detected?

Refer to Diagnosis Procedure

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

-2Confirmation after repair: INSPECTION END