Visual Inspection

Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart
Mechanical
- Insufficient brake fluid
- Damaged anti-lock brake sensor indicator(s)
- Damaged HCU
- Damaged hydraulic system lines/hoses
- Damaged wheel bearings

Electrical
- Blown fuse:
- 60A ABS
- 15A AIR COND
- 10A METER
- 15A STOP
- Damaged wiring harness
- Loose or corroded connection(s)
- Damaged anti-lock brake control module
- Damaged Brake Pedal Position (BPP) switch
- Blown anti-lock brake warning indicator miniature bulb
- Damaged anti-lock brake sensor(s)
- Damaged HCU
- Damaged anti-lock relay

If the fault is not visually evident, verify the symptom; refer to the System Pre-Check. Reading and Clearing Diagnostic Trouble Codes