ANTI-LOCK BRAKES – Buick LaCrosse CXL 2005 – SYSTEM WIRING DIAGRAMS

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005:

• (left side of engine compt, part of brake pressure modulator valve) electronic brake control module (ebcm)
• 3.6l
• 3.6l w/ active brake control
• 3.6l w/o active brake control
• 3.8l
• 3.8l w/o active brake control
• 5-volt reference
• A11
• A2 c2
• A9 c5
• Abs fuse 23 10a
• Abs mtr fuse 31 40a
• Abs sol fuse 19 25a
• Abs/tcs class 2 serial data
• B+ motor control
• B+ sol valve control
• Battery
• Brake pressure modulator valve (bpmv)
• Brake pressure sensor signal
• C1 c5
• C2 c4
• Computer data lines system
• Del torque sig
• Delivered torque signal
• Ecm class 2 ser data
• Eng speed sig
• Eng speed sig (3.6l)
• Eng speed sig (3.8l)
• Engine control module (top of engine) (3.6l)
• Engine controls system
• G115 (3.6l: mounted to bank no. 1 cylinder head above exhaust manifold) (3.8l: on transmission stud, to right of starter)
• Ground
• Hi spd gmlan ser data +
• Hi spd gmlan ser data -(3.6l)
• Hot at all times
• Hot in run or start
• Hsv 2 (w/ tcs)
• Hsv1 (w/ tcs)
• Ign 1
• Lateral accelerometer signal
• Left front inlet
• Left front outlet
• Left rear inlet
• Left rear outlet
• Lf wheel speed sens low ref
• Lf wheel speed sens sig
• Lr wheel speed sens low ref
• Lr wheel speed sens sig
• Magnasteer actuator (left rear of engine compt)
• Pcm class 2 ser data
• Pnk
• Powertrain control module (3.8l)
• Pump motor
• Red
• Req torque sig
• Requested torque signal
• Rf wheel speed sens low ref
• Rf wheel speed sens sig
• Right front inlet
• Right front outlet
• Right rear inlet
• Right rear outlet
• Rr wheel speed sens low ref
• Rr wheel speed sens sig
• Solenoid valves
• Stop lamp sw sig
• Tan
• Underhood fuse block (mounted to right strut tower)
• Usv 1 (w/ tcs)
• Usv 2 (w/ tcs)
• Var effort steer act cntrl
• Var effort steer act pwr
• Yaw rate sensor signal
• Yaw rate sensor test control

Anti-lock Brakes Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005:

• (on left front bearing & hub assembly) left front wheel speed sensor (wss)
• (on left rear bearing & hub assembly)
• (on right front bearing & hub assembly) right front wheel speed sensor (wss)
• (on right rear bearing & hub assembly) right rear wheel speed sensor (wss)
• 10v ref
• 5v ref
• Abs ind
• Abs/tcs class 2 ser data
• Bcm class 2 ser data
• Body control module (bcm) (behind left side of dash)
• Brake fluid pressure sensor (left rear of engine compt)
• Brake pedal position sensor (under left side of dash)
• Computer data lines system
• Driver information center (dic)
• G202 (left side of dash)
• Ground
• Hi spd gmlan ser data +
• Hi spd gmlan ser data -
• Ign 1 volt
• Instrument panel cluster (ipc)
• Ipc class 2 ser data
• Lateral accelerometer sig
• Left rear wheel speed sensor (wss)
• Lo traction
• Logic
• Low ref
• Message center
• Nca
• Pnk
• Red
• S107 (in off-engine wiring harn, approx 6 cm (2.3 in) from breakout to brake fluid pressure sensor, towards brake fluid pressure sensor)
• S211
• S216 (in i/p wiring harn, inside passenger compt approx 14 cm (5.5 in) from pass-through to brake fluid level switch)
• Steering angle sensor (in steering column)
• Stop lamp sw sig
• Stop lmp sw sig
• Tan
• Tcs fail
• Traction control (uplevel)
• Traction control off ind
• Traction control switch sig
• Yaw rate & lateral acceleration sensor (under the rear side of center console)
• Yaw rate sen sig
• Yaw rate test cntrl