F: No Communication With the Anti-Lock Brake System (ABS) Module
Test F: No Communication With The Anti-Lock Brake System (ABS) ModuleNormal Operation
The operating voltage required to supply the ABS module, hydraulic pump and isolation valves is between 10 and 17 volts. Ignition voltage is supplied through circuit 677 (LB) and battery voltage is supplied through circuit 22 (LB/BK), circuit 483 (RD) and circuit 534 (YE/LG) to the ABS module. Ground is provided through circuit 57 (BK).
Possible Causes
^ Circuit 22 (LB/BK) open or short to ground
^ Circuit 57 (BK) open
^ Circuit 483 (RD) open or short to ground
^ Circuit 534 (YE/LG) open or short to ground
^ Circuit 677 (LB) open or short to ground
^ Fuse(s)