Check For Shorts Between ABS Control Module & Wheel Speed Sensors
- With ignition switch in OFF position, disconnect wheel speed sensor connectors. Connect breakout box with adapter to ABS control module connector. Leave ABS control module disconnected.
- Measure resistance between following wheel speed sensor breakout box pins and ground: pin No. 16 (Red wire), pin No. 56 (Green wire), pin No. 9 or 43 (Blue/Yellow wire), pin No. 4 (Blue/Green wire), pin No. 25 (Black/Pink wire), pin No. 49 (Orange wire), pin No. 45 (White/Blue wire), and pin No. 44 (Orange/Blue wire). If resistances are more than 10,000 ohms, replace suspect wheel speed sensors. If resistances are less than 10,000 ohms, service suspect wires between ABS module and wheel speed sensor.