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Section 4 (Anti-Lock Brake System): Description

WARNING: This page is about a different car, the 2000 Nissan Pathfinder, 2000 Infiniti QX4, and 1999 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: This article also applies to 2000 Infiniti QX4.

Anti-Lock Brake System (ABS) prevents wheel lock-up, allowing driver to maintain steering control during heavy braking. The system consists of an ABS control unit with self-diagnosis capability, "G" sensor (4WD models only), warning light, wheel speed sensors, wiring and hydraulic lines. See Fig 1 .

ABS control unit (electro-hydraulic unit) consists of a pump motor, accumulator, solenoid valves for each channel, solenoid valve relay, actuator motor relay, check valves and reservoirs.

NOTE: For more brake system information, see DISC & DRUM article.
Fig 1: Locating ABS Components
G00016028Courtesy of NISSAN MOTOR CO., U.S.A.