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Diagnosis Procedure
1.CHECK DTC
With M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Select “Diagnostic Trouble Code” mode of “HVAC” using M.U.T.-III SE.
  3. Check following DTC.
    DTCItems
    (M.U.T.-III SE screen terms)
    		Reference
    U1CAA-02Mode door motorDTC Description
    U1CAB-02Intake door motorDTC Description
    U1CAC-02Air mix door motor 1DTC Description
    U1CAD-02Air mix door motor 2DTC Description
    U1CAE-02Rear air mix door motorDTC Description
Is DTC detected?
Perform DTC diagnosis procedure that is detecting.
Replace A/C amp. Refer to Removal and Installation.