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DIAGNOSIS TSB Revision CONTROLLER AREA NETWORK (CAN) 54C-69 (2) Connect scan tool MB991958 to the data link connector. (4) Diagnose CAN bus lines, and check if the scan tool MB991958 screen is as shown in the figure. OK: The display of the scan tool MB991958 is as Q: Does scan tool MB991958 screen correspond to the illustration? B-10 and joint connector (CAN3) C-127 <M/T>, or NO : Check ECM connector B-10, and repair if necessary. If the ECM connector is in good condition, replace the AC608435 Data link connector MB991827 MB991824 MB991910 AB AC709542 AC : Red section on screen M.U.T. J/C (3) J/C (2) KOS/WCM SRS A/C AUDIO MMCS Sat Radio HFM OCM METER ASC ENGINE J/C (1) ETACS <M/T> SAS S-AWC AC709543 AC : Red section on screen M.U.T. J/C (3) J/C (2) KOS/WCM SRS A/C AUDIO MMCS Sat Radio HFM OCM METER ASC LEVER J/C (1) ETACS <TC-SST> SAS S-AWC J/C (4) TC-SST ENGINE |