Inspection Procedure 10: TCL/ASC System Dose Not Operate: 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

1. STEP 1. Hydraulic unit check 

   Refer to HYDRAULIC UNIT CHECK .

   Q: Is the hydraulic unit normal? 

   YES  : Go to Step 2.

   NO  : Connect the brake pipes correctly, repair the external brake lines, or replace the hydraulic unit.

2. STEP 2. Verify that the condition described by the customer exists. 

   Q: Can any faults be found with the brake operation? 

   YES  : Check the brake system related components except the ASC system.

   NO  : The procedure is complete.