FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the tire pressure warning system, the tire pressure warning light illuminates after blinking for 1 minute to inform the driver of the system failure. (b) As a result of this, tire pressure monitoring is disabled and a DTC is stored in the tire pressure warning ECU and receiver. (c) When there is a system malfunction, the output display according to the tire position turns off. ![]() |
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 ...