Transmission Component and System Description
Transmission Component and System Description
The mechanical components of this unit are as follows:
^ A torque converter with an electronically controlled capacity clutch (ECCC)
^ A drive link assembly
^ Four multiple disk clutch assemblies: Input, Second, Third and Fourth
^ Three friction bands: Forward band, 2/1 band and Reverse band
^ Two planetary gear sets: Input and Reaction
^ Three one-way clutches: a roller clutch (1-2 support) and 2 sprag clutches (Third and Input)
^ A final drive and differential assembly
^ A control valve assembly
^ A vane type oil pump
The electrical components of this unit are as follows:
^ Two shift solenoid valves
^ A torque converter clutch pulse width modulation (TCC PWM) solenoid valve
^ A pressure control (PC) solenoid valve
^ An automatic transmission fluid temperature (TFT) sensor
^ Two speed sensors: input speed and vehicle speed sensors
^ An automatic transmission fluid pressure (TFP) manual valve position switch
^ Either an internal mode switch (IMS) or an externally-mounted transmission range (TR) switch
^ An automatic transmission (A/T) wiring harness assembly
For more information, refer to Electronic Component Description.