B1318-11: Check ABS Valve Relay Power Feed Circuit For Open
- Using an ohmmeter, check resistance between fuse 14 (30A) and pin 13 of breakout box.
- Is resistance less than 5 ohms?
YES -- Replace anti-lock brake control module. Restore vehicle. Retest system.
NO -- Service circuit 533 (T/R) for open. Restore vehicle. Retest system.