Electronic Brake Control Module: Service and Repair
ABS Control Module and Hydraulic Control Unit (ABSCM&H/U)REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the air intake duct from engine compartment to facilitate removal of ABSCM&H/U.
3) Use an air gun to get rid of water around the ABSCM&H/U.
NOTE: Contact will be insufficient if the terminal gets wet. 4) Remove the ground cable from ABSCM&H/U.
5) Pull off the lock of ABSCM&H/U connector to remove it.
6) Disconnect the connector from ABSCM&H/U.
CAUTION: Do not pull the harness when disconnecting the connector.
7) Unlock the cable clip.
8) Disconnect the brake pipes from ABSCM&H/U.
9) Wrap the brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.
CAUTION:
^ Brake fluid spilt on the vehicle body will harm the painted surface; wash away quickly with water if spilt.
10) Remove the ABSCM&H/U from engine compartment.
CAUTION:
^ ABSCM&H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
^ Do not drop or bump the ABSCM&H/U.
^ Do not turn the ABSCM&H/U upside down or place it on its side.
^ Be careful to prevent foreign particles from getting into ABSCM&H/U.
^ Do not let water get into the connector.
INSTALLATION
1) Install the ABSCM&H/U bracket.
Tightening torque: 33 Nm (3.4 kgf-m, 24.6 ft. lbs.)
2) Apply a coat of rust-preventive wax (Nippeco LT or GB) to the bracket attaching bolt.
3) Align the width across flat portion of ABSCM&H/U side stud bolt with the bolt hole groove on bracket, and then install the ABSCM&H/U.
NOTE: Confirm the specification mark of ABSCM&H/U.
Tightening torque: 18 Nm (1.8 kgf-m, 13.0 ft. lbs.)
4) Connect the brake pipes to their correct ABSCM&H/U connections.
Tightening torque: 15 Nm (1.5 kgf-m, 10.8 ft. lbs.)
5) Using the cable clip, secure the ABSCM&H/U harness to bracket.
6) Connect the connector to ABSCM&H/U.
NOTE:
^ Be sure to remove all foreign matter from inside of the connector before connecting.
^ Ensure that the ABSCM&H/U connector is securely locked.
7) Connect the ground cable to ABSCM&H/U, and then apply anti-corrosive wax.
8) Install the air intake duct.
9) Bleed air from the brake system.