Circuit Operation
WARNING: This page is about a different car, the 2009 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.
- The TCL/ASC-ECU contains the power supply circuit (terminal 1) for the pump motor. The pump motor is energized by the motor relay, which is incorporated in the TCL/ASC-ECU.
- The motor relay, which is incorporated in the TCL/ASC-ECU, is always off unless the motor solenoid valve check is activated when the vehicle is started.
- The TCL/ASC-ECU activates the pump motor by turning on the ECU built-in motor relay when the ABS is working.