GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 LeSabre 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Antilock Brake System Component Views
Figure 1:

EBCM/BPMV, Left Front Corner of the Engine Compartment, on the Frame Rail
Object Number: 460289 Size: LF
(1)Secondary Air Injection Air Pump
(2)Electronic Brake Control Module (EBCM)
(3)Brake Pressure Modulator Valve (BPMV)
Figure 2:

Front Wheel Speed Sensor, Under the Left Front of the Vehicle, above the Front Axle
Object Number: 498585 Size: LF
(1)Wheel Speed Sensor (WSS) - LF (Right Similar)
Figure 3:

Below the Left of the Instrument Panel
Object Number: 321370 Size: LF
(1)Steering Column
(2)Steering Wheel Position Sensor
Figure 4:

Steering Wheel and Inflator Module
Object Number: 740766 Size: LF
(1)Traction Control Switch (w/NW9)
(2)Gear Shift Lever
(3)Steering Wheel
(4)Inflatable Restraint Steering Wheel Module
(5)Horn Switch Contact
(6)Inflatable Restraint Steering Wheel Module Connector
(7)Inflatable Restraint Steering Wheel Module Coil
Figure 5:

Left Rear of the Passenger Compartment, Under the Rear Seat
Object Number: 491471 Size: MF
(1)Lateral Accelerometer Sensor
(2)Fuse Block - Rear
Figure 6:

Yaw Rate Sensor, Left Corner of the Rear Compartment, In the Rear Shelf
Object Number: 492699 Size: LF
(1)Yaw Rate Sensor
Figure 7:

Under the Right Rear of the Vehicle, above the Rear Axle
Object Number: 491312 Size: LF
(1)Wheel Speed Sensor (WSS) - RR (Left Similar)