DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch condition, refrigerant pressure, hybrid coolant temperature, engine speed and vehicle speed, and sends the signals to the cooling fan ECU to regulate the cooling fans. The
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the multiplex network door ECU stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Tec