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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U1CAE-02Rear air mix door motor
(Rear air mix door motor)
Diagnosis conditionIgnition switch ON
Signal (Terminal)LIN (door motor) signal
ThresholdA/C amp. is not transmitting or receiving LIN communication with air mix door motor (rear)
Diagnosis delay time2 second or more
 
 
POSSIBLE CAUSE
  • Harness and connector [air mix door motor (rear) circuit is open or shorted to ground]
  • Air mix door motor (rear)
  • A/C amp.
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF-DIAGNOSIS
With M.U.T.-III SE
  1. Start the engine.
  2. Select “Self Diagnostic Result” mode of “HVAC” using M.U.T.-III SE.
  3. Check DTC.
Is DTC detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END