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DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-173 DTC C2206: Re-execution of variant coding CAUTION • If diagnostic trouble code No. C2206 is set in ASC-ECU, always diagnose the CAN bus lines. If there is any fault • Whenever the ECU is replaced, ensure that the commu- nication circuit is normal. • When diagnostic trouble code No. C2206 is set in ASC-ECU, the diagnostic trouble code may also be set • When the hydraulic unit (integrated with ASC-ECU) is replaced, always perform the calibration of steering .) . CIRCUIT OPERATION ASC-ECU receives the vehicle information stored in . DTC SET CONDITIONS ASC-ECU communicates with ETACS-ECU via CAN bus lines. . PROBABLE CAUSES • ETACS-ECU or ASC-ECU which was equipped with other vehicle is used. • Malfunction of ETACS-ECU DIAGNOSIS Required Special Tools: • MB991958 Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 2. Troubleshooting .) After repairing the CAN bus line, go to Step 7. |