Toyota Corolla Cross: Vehicle Exterior

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) The hybrid vehicle control ECU has a self-diagnosis system. If the computer, Hybrid Control System, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning in the combination meter a

 Room Temperature Sensor Circuit Short to Battery or Open (B141A15)

DESCRIPTION The cooler thermistor (room temperature sensor) is installed in the instrument panel to detect the cabin temperature, which is used to control the air conditioning system. The resistance of the cooler thermistor (room temperature sensor) changes in accordance with the cabin temperature.