Initial Inspection and Diagnostic Overview

Inspection
Before performing diagnostics, check the following items which might affect ABS problems:

1. BATTERY
Measure battery voltage and specific gravity of electrolyte.
Standard voltage: 12 V, or more
Specific gravity: Above 1.260

2. BRAKE FLUID
1. Check brake fluid level.
2. Check brake fluid leakage.

3. HYDRAULIC UNIT
Check the hydraulic unit.

4. BRAKE DRAG
Check brake drag.

5. BRAKE PAD AND ROTOR
Check brake pad and rotor.

6. TIRE
Check tire specifications, tire wear and air pressure.