DTC Description

DTC DETECTION LOGIC

DTC	M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detecting condition
C1201-4B	CONTROLLER (Controller)	Diagnosis condition	Ignition switch: ON
		Signal	—
		Threshold	AWD control unit temperature value is too high.
		Diagnosis delay time	5 seconds or more

POSSIBLE CAUSE

Internal malfunction of AWD control unit

FAIL-SAFE

Although AWD control is canceled, the vehicle can drive at 2WD condition.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

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

2.DTC REPRODUCTION PROCEDURE

With M.U.T.-III SE

Turn the ignition switch ON.
Drive at 10 km/h (6 MPH) or more for approximately 5 minutes in urban areas.
Stop the vehicle.
Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is DTC “C1201-4B” detected?

Proceed to diagnosis procedure. Refer to Diagnosis Procedure

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

-2Confirmation after repair: INSPECTION END