H: the Yellow Anti-Lock Brake System (ABS) Warning Indicator Is Always on
Pinpoint Test H: the Yellow Anti-Lock Brake System (ABS) Warning Indicator Is Always on
Normal Operation
The operating voltage required to supply the ABS module, hydraulic pump, and isolation valves is in a range between 10 and 16 volts.
Voltage is supplied by circuit 532 (OG/YE) (ignition feed), circuit 534 (YE/LG) and circuit 685 (BK/WH) (hot at all times). Ground is provided through circuit 1203 (BK/LB) and circuit 1205 (BK).
Possible Causes
- ABS module
- instrument cluster