Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

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

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

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

3. HYDRAULIC UNIT
Check the hydraulic unit.

4. BRAKE DRAG
Check for brake drag.

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

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