Operation CHARM: Car repair manuals for everyone.

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