Inspection Procedure 11: Traction Control Function or Skid Control Function Inoperative: Diagnosis
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- STEP 1. M.U.T.-III diagnostic trouble code
Q: Is any DTC set?
YES: Troubleshoot for the relevant diagnostic trouble code.
NO: Go to Step 2.
- STEP 2. Hydraulic unit (HU) check
Refer to HYDRAULIC UNIT CHECK .
Q: Is the check result normal?
YES: Go to Step 3.
NO: Repair the brake pipe or replace ASC-ECU.
- STEP 3. Operation check
Q: Does traction control function or skid control function operate normally?
YES: The procedure is complete.
NO: Check the brake system related components except the ASC.