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 brake anti-lock sensor(s):

LH Front "W" and "R"

RH Front "Y" and "O"

LH Rear "Y/GN" and "Y/BL"

RH Rear "GN" and "BL"

- 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)