Description of On-Board Diagnostics (SWS)
DIAGNOSTIC FUNCTIONON-BOARD DIAGNOSTICS
If an error occurs in the ECU or the SWS or CAN communication line which performs the SWS or CAN communication, the DTC is memorized in ETACS-ECU. The DTCs have 11 items. The DTCs are checked to connect scan tool MB991958 (MUT-III sub assembly). The memorized DTCs are not erased even if the ignition switch is turned to the LOCK (OFF) position. The DTCs are erased to operate scan tool MB991958 (MUT-III sub assembly).