Diagnosis Procedure
1.
CHECK DTC PRIORITY
If DTC “U1327-52” is displayed with DTC “U1327-54”, first perform the trouble diagnosis for DTC “U1327-54”.
Is applicable DTC detected?
Refer to DTC Description
DTC Description
.
.
2.
PERFORM MAC KEY WRITING
With M.U.T.-III SE
Perform “MAC key writing”. Refer to
Work Procedure
.
Perform “MAC Diagnosis” of “ACC/ADAS 2” using M.U.T.-III SE.
Is DTC “U1327-52” detected as the current malfunction?
Replace the ADAS control unit 2. Refer to
Removal and Installation
.
INSPECTION END.
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Refer to DTC DescriptionDTC Description 
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With M.U.T.-III SE.Replace the ADAS control unit 2. Refer to Removal and Installation.INSPECTION END.