Preinspection

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

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

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

HYDRAULIC UNIT
Check the hydraulic unit.
^ With brake tester
^ Without brake tester

BRAKE DRAG
Check for brake drag.

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

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