4-Wheel Anti-Lock Brakes (4WABS)
Test F: DTC C1233 (LF), DTC C1234 (RF) DTC C1235 (RR), DTC C1236 (LR)-Anti-lock Brake Sensor Input Signal Missing
Caution: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.
Note: Any time an anti-lock brake sensor is removed, thoroughly clean the mounting surfaces, apply High Temperature 4x4 Front Axle and Wheel Bearing Grease E8TZ-19590-A or equivalent meeting Ford specification ESA-M1C198-A.