Circuit Operation
WARNING: This page is about a different variant/trim than selected.
- The ABS-ECU contains the power supply circuit (terminal 19) for the pump motor. The pump motor is energized by the motor relay, which is integrated in the ABS-ECU.
- The motor relay, which is integrated in the ABS-ECU, is always off unless the motor solenoid valve check is activated when the vehicle is started.
- The ABS-ECU activates the pump motor by turning on the ECU built-in motor relay when the ABS is working.