A3 Check Resistance at Control Module

- Key OFF.

- Anti-lock brake control module disconnected.

- Measure the resistance between the following wire(s) in question at the anti-lock brake control module connector leading to the anti-lock sensor(s):

Brake Anti-Lock Sensor Wires

LH Front Anti-Lock Sensor "BK/W" and "O/W"
RH Front Anti-Lock Sensor "BK/R" and "O"
LH Rear Anti-Lock Sensor "BK/BL" and "R/BL"
RH Rear Anti-Lock Sensor "BK/O" and "W"

- Is the resistance reading 1600-2000 ohms?

YES -- Go to A5. A5 Check Signal at Control Module Connector

NO -- Go to A4. A4 Check Resistance at Sensor(s)