TCM Function

SENSORS (or SIGNALS)

=>

TCM

=>

ACTUATORS

Transmission range switch

Accelerator pedal position signal

Closed throttle position signal

Wide open throttle position signal

Engine speed signal

A/T fluid temperature sensor

Output speed sensor

Vehicle speed signal

Manual mode switch signal

Stop lamp switch signal

Input speed sensor

ATF pressure switch

Shift control

Line pressure control

Lock-up control

Engine brake control

Timing control

Fail-safe control

Self-diagnosis

CONSULT communication line

Duet-EA control

CAN system

Input clutch solenoid valve

Direct clutch solenoid valve

Front brake solenoid valve

High and low reverse clutch solenoid valve

Low coast brake solenoid valve

Torque converter clutch solenoid valve

Line pressure solenoid valve

A/T CHECK indicator lamp

A/T fluid temperature warning lamp

Back-up lamp relay

Starter relay

Control item

Line

pressure

control

Vehicle speed control

Shift control

Lock-up control

Engine brake control

Fail-safe function ^*3

Self-diagnostics function

Input

Accelerator pedal position signal ^*5

X

X

X

X

X

X

X

Output speed sensor

X

X

X

X

X

X

X

Vehicle speed signal ^{*1, *5}

X

Closed throttle position signal ^*5

X ^*2

X

X

X

X ^*4

Wide open throttle position signal ^*5

X

X ^*4

Input speed sensor 1

X

X

X

X

X

Input speed sensor

(for 4th speed only)

X

X

X

X

X

Engine speed signals ^*5

X

X

X

X

X

X

X

Stop lamp switch signal ^*5

X

X

X

X ^*4

A/T fluid temperature sensors

X

X

X

X

X

X

ASCD or ICC sensor integrated unit

Operation signal ^*5

X

X

X

Overdrive cancel signal ^*5

X

Output

Direct clutch solenoid

X

X

X

X

Input clutch solenoid

X

X

X

X

High and low reverse clutch solenoid

X

X

X

X

Front brake solenoid

X

X

X

X

Low coast brake solenoid

(ATF pressure switch 2)

X

X

X

X

X

Line pressure solenoid

X

X

X

X

X

X

X

TCC solenoid

X

X

X

A/T CHECK indicator lamp ^*6

X ^*4

Starter relay

X

X