Electronic Brake Control Module: Service and Repair

Fig. 114 Hydraulic Control Unit Removal:

ASSEMBLY REMOVAL
1. Disconnect battery ground cable.
2. Remove engine air cleaner (ACL) and air cleaner outlet tube.
3. Disconnect 28-pin connector (C162) to anti-lock brake module wire harness.
4. Remove two tubes from inlet ports of the pump motor, three anti-lock brake system tubes and four anti-lock brake system/traction control tubes from outlet ports of brake pressure control valve block. Plug each port to prevent brake fluid from spilling on paint and wiring.
5. Remove 13 mm nut retaining the hydraulic control unit to the mounting bracket. Tip the rear of the hydraulic control unit up and pull rearward to slide the forward mounting pins out of the retaining grommets.
6. Remove hydraulic control unit from vehicle.


ANTI-LOCK BRAKE CONTROL MODULE REMOVAL
1. Disconnect 2-pin connector.
2. Remove two Torx(r) Screws.
3. Slide anti-lock brake control module off brake pressure control valve block.

Fig. 116 ABS Control Module Replacement:

ABS Module Hydraulic Control Unit:

ANTI-LOCK BRAKE CONTROL MODULE INSTALLATION
1. Position anti-lock brake control module on brake pressure control valve block. Connect 2-pin connector.
2. Install two Torx screws. Tighten screws to 2 Nm (17 inch lbs.).


ASSEMBLY INSTALLATION
1. Insert hydraulic control unit mounting pins into front grommets on mounting bracket. Make sure hydraulic control unit is fully seated in bracket. Install rear retaining nut. Tighten to 16-24 Nm (12-17 ft. lbs.).
2. Connect brake tubes (three tubes, ABS-only) (four tubes, ABS with traction control) to outlet ports on side of brake pressure control valve block and two tubes to inlet ports on top of pump motor. Tighten tube fittings to 14-24 Nm (11-17 ft. lbs.).
3. Connect 28-pin connector to anti-lock brake control module. Tighten bolt to 4.8 Nm (42 inch lbs.).
4. Install engine air cleaner and air cleaner outlet tube.
5. Connect battery ground cable.
6. Bleed brake system.
7. Retest system.