Electronic Brake Control Module: Service and Repair
ABS Hydraulic Unit/Control Module Assembly Removal and InstallationReference: ABS Hydraulic Unit/Control Module Assembly Components
Reference: ABS Hydraulic Unit/Control Module Assembly On-Vehicle Inspection
CAUTION:
Never disassemble ABS hydraulic unit/control module assembly, loosen blind plug or remove motor.
Performing any of these prohibited services will affect original performance of ABS hydraulic unit/control module assembly.
Removal
1) Disconnect negative cable at battery.
2) Disconnect ABS hydraulic unit/control module assembly connector (1) by pulling up lock (2).
3) Using special tool (flare nut wrench), loosen flare nuts (1) and disconnect brake pipes (2) from ABS hydraulic unit/control module assembly (3).
Special Tool
: 09950-78220
NOTE: Put bleeder plug cap onto pipe to prevent fluid from spilling. Do not allow brake fluid to get on painted surfaces.
4) Remove three bolts and take out ABS hydraulic unit/control module assembly (1) from bracket using flat end rod or the like (2).
CAUTION:
^ Do not give an impact to hydraulic unit.
^ Use care not to allow dust to enter hydraulic unit.
^ Do not place hydraulic unit on its side or upside down. Handling it in inappropriate way will affect its original performance.
Installation
1) Install hydraulic unit/control module assembly by reversing removal procedure.
Tightening torque
Brake pipe flare nut a: 16 Nm (1.6 kg-m, 11.5 ft. lbs.)
ABS hydraulic unit/control module assembly bolt b: 9 Nm (0.9 kg-m, 6.5 ft. lbs.)
Bracket bolt c: 11 Nm (1.1 kg-m, 8.0 ft. lbs.)
2) Bleed air from brake system referring to Bleeding Brakes.
3) Check each installed part for fluid leakage and perform ABS Hydraulic Unit Operation Check.
NOTE:
For new ABS hydraulic unit/control module assembly, if ABS Hydraulic Unit
Operation Check procedure has not been performed, ABS warning lamp may flash when ignition switch is turned ON position.
Accordingly perform ABS Hydraulic Unit Operation Check to stop flashing of ABS warning lamp.