Toyota Corolla Cross: Water Pump With Motor

 Motor High-voltage Circuit

DESCRIPTION The cause of the malfunction may be the high-voltage circuit of the motor. Check the motor internal resistance and the connection condition of the high-voltage line between the inverter and motor to check whether there is an open or short circuit. Related Parts Check Area Ins

 Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold (C155A16,C155A17,C155B16,C155B17)

DESCRIPTION If a problem occurs in the system, the power source relay circuit and the motor relay circuit are shut off to stop power assist. The ECU must be replaced when there is a problem with the relays because the relays are built into the ECU. DTC No. Detection Item