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DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-61 • The number of poles on the magnetic encoder for wheel speed detection (the number of N-pole and S-pole) is Past trouble • When DTC No. C1020 is also set, perform the diagnosis with a particular emphasis on the wiring harness and con- ing/Inspection Service Points • When the diagnostic trouble code No.C1020 is not set, the following conditions may be present: • Wheel(s) spinning DIAGNOSIS Required Special Tools: • MB991958 Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991997: ASC check harness STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 3. CAN Bus Diagnostics Table ). On completion, go to Step 2. STEP 2. DTC recheck after repairing the CAN bus line YES : Go to Step 3. STEP 3. Scan tool diagnostic trouble code YES : Carry out the diagnosis for DTC C1020. (Refer to .) NO : Go to Step 4. |