Anti-Lock Brake System - 2WD: Description
CAUTION:
See ANTI-LOCK BRAKE SAFETY PRECAUTIONS
article in GENERAL INFORMATION.
NOTE:
For more information on brake system, see BRAKE SYSTEM article.
The Rear Wheel Anti-Lock Brake System (ABS) is designed to control braking force of rear wheels. This serves to eliminate wheel lock and maintain directional stability during hard brake application. System consists of Wheel Speed Sensors (WSS), ABS rotors, brakelight switch, a hydraulic unit assembly integrated with ABS Electronic Control Unit (ECU), ABS relay, Data Link Connector (DLC), ANTI-LOCK warning light and connecting wiring harness. See Fig 1 .
ABS also has a self-diagnostic function, which enables technician to quickly trouble shoot system by monitoring stored ABS Diagnostic Trouble Codes (DTCs). See RETRIEVING DTCS under SELF-DIAGNOSTIC SYSTEM .