Toyota Corolla Cross: M20a-fks (battery / Charging)

 Cooling Fan Circuit

DESCRIPTION The ECM turns on or off the fan relays using signals calculated from the engine coolant temperature, air conditioning switch (on/off), air conditioning refrigerant pressure, engine speed and vehicle speed signals. The ECM switches the circuit of the cooling fan motors between series an

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and reading various data output from the engine stop and start ECU. The engine stop and start ECU records DTCs when