Diagnostic Procedure
- STEP 1. Hydraulic unit (integrated with ABS-ECU) check
Refer to HYDRAULIC UNIT CHECK .
Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Connect the brake tubes correctly, repair the external brake lines, or replace the hydraulic unit (integrated with ABS-ECU) (Refer to HYDRAULIC UNIT ).
- STEP 2. Retest the system.
Q: Can any fault be found with the brake operation?
- YES: Check the brake system related components except ABS.
- NO: The procedure is complete.