Toyota Corolla Cross: Transponder Key Ecu

 Weak Blower Output

DESCRIPTION If the airflow from the front registers is weak regardless of the blower speed setting displayed on the air conditioning control assembly, the following factors may be the cause. Symptom Factor Airflow volume is constantly low Airflow volume sometimes becomes l

 Fuel Pump Control Circuit

DESCRIPTION The fuel pump (for low pressure side) circuit consists of the ECM, fuel pump (for low pressure side) and fuel pump control ECU (which operates the fuel pump (for low pressure side)). Based on the engine output, the ECM determines the fuel pump speed. The speed is then converted to a duty