Toyota Tundra Service Manual > Vehicle Stability Control System: Open in ABS Motor Relay Circuit (C146C)
DESCRIPTION The ABS motor relay supplies power to the pump motor. While the ABS is activated, the skid control ECU (brake actuator assembly) turns the ABS motor relay on to operate the pump motor. If the voltage supplied to the ABS motor relay (+BM) is too low due to low voltage from the battery or ...
