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Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC U214F-57 is displayed with DTC U1327-52 or DTC U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.
Is DTC U1327-52 or U1327-54 detected?
Refer to DTC Description (U1327-52) or DTC Description (U1327-54).
 
2.CHECK MAC DIAGNOSIS
With M.U.T.-III SE
Perform “MAC Diagnosis” mode of “SONAR” using M.U.T.-III SE.
Is DTC U214F-57 detected with DTC U2140-57, U2141-57, U2148-57, U214E-57, U2152-57 (with MI-PILOT Assist), U2156-57, U2159-57, U215B-57, U2175-57 (with around view monitor control unit) and U2176-57 at the same time?
(all DTC codes are detected at the same time)Replace sonar control unit. 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.