System Description: Actuator

WARNING: This page is about a different car, the 2003 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

The actuator contains:

Fig 1: Identifying ABS Actuator Components

Courtesy of NISSAN MOTOR CO., U.S.A.

An electric motor and pump
Two relays
Eight solenoid valves, each inlet and outlet for
- LH front
- RH front
- LH rear
- RH rear

These components control the hydraulic circuit. The ABS control unit directs the actuator to increase, hold or decrease hydraulic pressure to all or individual wheels.

Fig 2: Identifying ABS Actuator Operation Specifics

Courtesy of NISSAN MOTOR CO., U.S.A.