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DIAGNOSIS TSB Revision CONTROLLER AREA NETWORK (CAN) 54C-33 DIAGNOSTIC ITEM 2: Malfunction of the ETACS-ECU. CAUTION When servicing a CAN bus line, ground yourself . FUNCTION When the CAN bus diagnosis is carried out, the scan . TROUBLE JUDGEMENT CONDITIONS If no communication flags are set for the ECUs (on . TROUBLESHOOTING HINT Malfunction of the ETACS-ECU DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) Recheck for other system diagnostic trouble code. CAUTION To prevent damage to scan tool MB991958, always turn the YES (The DTC other than the U code is set.) : Troubleshoot the ETACS-ECU. Refer to GROUP 54A, YES (Only U-code DTC is set.) : Check the power supply circuit of the ETACS-ECU. Refer to GROUP 54A, NO (The DTC is not set.) : Check the power supply circuit of the ETACS-ECU. Refer to GROUP 54A, AC608435 Data link connector MB991827 MB991824 MB991910 AB |