DTC Description

DTC DETECTION LOGIC

DTC No.	M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
B24C6-12	BLOWER MOTOR CONTROL short circuit (Blower motor control short circuit)	Diagnosis condition	When electric motor switch is ON
		Signal (Terminal)	Front blower motor control signal circuit
		Threshold	Blower fan control line output ≧33mA
		Diagnosis delay time	About 0.1 seconds

POSSIBLE CAUSE

Harness or connector (Control circuits is shorted to power supply)

FAIL-SAFE

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DTC CONFIRMATION PROCEDURE

1.PERFORM DIAGNOSTIC TROUBLE CODE

With M.U.T.-III SE

Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
Select “Diagnostic Trouble Code” mode of “HVAC” using M.U.T.-III SE.
Check DTC.

Is DTC detected?

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

-2Confirmation after repair: INSPECTION END