F9 Check ABS Control Module Ground
- Ignition switch OFF.
- Measure resistance between pin 1 (BK) of the 4-pin connector and ground.
- Is the resistance less than 5 ohms?
YES -- Service circuit 57 (BK) for open.
NO -- Replace anti-lock brake control module
Connector:
Pin Number Circuit Circuit Function
1 57 (BK) Ground
2 603 (Y) Anti-Lock Indicator Output
3 276 (BR) "RUN" Power
4 601 (R) Battery Power
5 Guide Pin