ABS with Engine Only Traction Control (EOTC): Notes

The anti-lock control system consists of the following components:

• ABS module - attached to the Hydraulic Control Unit (HCU), but can be serviced separately.
• Front wheel speed sensors - one sensor is located in each wheel bearing and wheel hub assembly and is serviced with the wheel bearing and wheel hub. For front wheel bearing and wheel hub removal and installation information, refer to FRONT SUSPENSION article.
• Front wheel speed sensor tone rings - one tone ring is located in each wheel bearing and wheel hub assembly and is serviced with the wheel bearing and wheel hub.
• HCU - located in the front, LH area of the engine compartment, underneath the Air Cleaner (ACL) assembly.
• Rear wheel speed sensors - one sensor is located in each rear brake caliper anchor plate. The sensors are serviced separately from the anchor plate.
• Rear wheel speed sensor tone rings - one tone ring is located on the end of each axle shaft and is serviced with the axle shaft. For axle shaft removal and installation information, refer to REAR DRIVE AXLE/DIFFERENTIAL - 8.8 INCH RING GEAR article.
• Stability/traction control switch - located on the LH instrument panel finish panel and is serviced separately from the finish panel.