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Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC “U214F-57” is displayed with DTC “U1327-52” or “U1327-54”, first perform the trouble diagnosis for DTC “U1327-52” or “U1327-54”.
Is DTC “U1327-52” or “U1327-54” detected?
Perform diagnosis of applicable. Refer to the following.
 
2.CHECK MAC DIAGNOSIS
With M.U.T.-III SE
Perform “MAC Diagnosis” mode of “ACC/ADAS 2” using M.U.T.-III SE.
Is DTC “U214F-57” detected with DTC “U2175-57” (with around view monitor control unit), “U2176-57”, “U2440-57”, “U244F-57”, “U2465-57” (with sonar system) and “U2476-57” at the same time?
(all DTC codes are detected at the same time)Replace the ADAS control unit 2. Refer to Removal and Installation.
 
3.CHECK NETWORK-DTC
With M.U.T.-III SE
Perform "CAN Diag".
Is the inspection result normal?
Contact Techline and report the vehicle condition.
Repair or replace root cause.