丰田RAV4 发动机2GR-FE培训.pptVIP

Contents Click a Section Tab Engine Overall 2GR-FE Engine V6 (60-degree), 3.5-liter, 24-valve, DOHC engine w/Dual VVT-i, ACIS and ETCS-i Engine Overall Specifications Reference (Engine Overall) Major Difference from 2GR-FE on ’06 AVALON Engine Control System Charging Control Battery temperature sensor is integrated into the battery current sensor Reference (Engine Control System) Charging Control ECM controls the alternator generation voltage to reduce engine load for fuel economy Reference (Engine Control System) Charging Control Battery current sensor and battery temp. sensor is used for this system Reference (Engine Control System) Charging Control Battery current sensor uses hall IC Reference (Engine Control System) Charging Control System Diagram Reference (Engine Control System) Charging Control Operation (Example) Service Point (Engine Control System) Charging Control Fail-safe: ECM stops charging control if one of the following conditions is met Engine Control System Evaporative Emission Control System Service port is discontinued Service Point (Engine Control System) Evaporative Emission Control System Connect the EVAP tester to the fresh air line (position indicated by arrow) to check EVAP system Service Point (Engine Control System) Evaporative Emission Control System Connection condition for EVAP tester Engine Control System Cooling Fan Control Towing package model: 2 cooling fan ECUs for 2 fans Other model: 1 cooling fan ECU for 2 fans Engine Control System ECM ECM is located at engine compartment Service Point (Engine Control System) Inspection Procedure In adoption of water proofing connector, check for open circuit in ECU cannot be done Model Outline Chassis Body Body Electrical 2GR-FE Engine Engine Overall Engine Control System Basic construction and operation is same as 2GR-FE on ’06 AVALON -A -K ? ? ? ? ? ? ? ? 2GR-FE (’06 AVALON) 6-Cylinder, V-type No. of Cylinders and Arrangement 336 @ 4,700 (248 @ 4,700) Max. Torque N·m @ rpm (lb-ft @