Electronic Brake Control Module: Service and Repair

ABS Control Module and Hydraulic Control Unit (ABSCM&H/U)

REMOVAL
1) Disconnect the ground terminal 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.

CAUTION: The contact will be insufficient if the terminal gets wet.





4) Pull off the lock of the ABSCM&H/U connector to remove it.
5) Disconnect the connector from ABSCM&H/U.

CAUTION: Be careful not to let water or other foreign matter contact the ABSCM&H/U terminal.

6) Unlock the cable clip.
7) Disconnect the brake pipes from ABSCM&H/U.

CAUTION: Wrap the brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.

8) Remove the ABSCM&H/U from engine compartment.





CAUTION:
^ ABSCM&H/U cannot be disassembled. Do not attempt to loosen the 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 the ABSCM&H/U.
^ Apply a coat of grease (Nippeco LT or GB) to bracket attaching bolt after tightening.
^ Do not pull the harness when disconnecting connector.

INSTALLATION
1) Install the ABSCM&H/U bracket.
Tightening torque: 33 Nm (3.3 kgf-m, 24 ft. lbs.)

2) Install the ABSCM&H/U.

CAUTION: Confirm that the specifications of the ABSCM&H/U conforms to the vehicle specifications.





Tightening torque: 18 Nm (1.8 kgf-m, 13.0 ft. lbs.)

3) Connect the brake pipes to their correct ABSCM&H/U connections.
Tightening torque: 15 Nm (1.5 kgf-m, 10.8 ft. lbs.)
4) Using cable clip, secure the ABSCM&H/U harness to bracket.
5) Connect the connector to the ABSCM&H/U.

CAUTION:
^ Be sure to remove all foreign matter from inside the connector before connecting.
^ Ensure that the ABSCM&H/U connector is securely locked.

6) Install the air intake duct.
7) Bleed air from the brake system.