This manual introduces the fault diagnosis and troubleshooting methods of MK20 anti-lock braking system, including fault diagnosis flow, fault diagnosis instrument operation method, accidental fault maintenance points, MK20 ABS system inspection, ABS working inspection, disassembly and assembly, ECU coding, filling and exhaust, etc.
This manual provides detailed fault‑diagnosis procedures, safety notes, and step‑by‑step instructions for repairing the MK20 anti‑lock brake system. It includes diagrams, diagnostic instrument operation, and guidelines for handling intermittent and permanent faults.
Technicians will find sections on ABS warning‑lamp behavior, hydraulic control unit testing, fault‑code reading and clearing, as well as practical advice on fluid addition, bleeding, and component replacement. Appendices answer common ABS questions and outline proper usage practices. This manual is written in Chinese.
Enter function code 05 on the diagnostic instrument and press Q; if the code does not clear, the fault persists.
Connect the diagnostic instrument, power on, input address 03, then follow the listed test steps for each wheel as described in the manual.