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Input/Output Signal of TCM

DIAGNOSTICS FUNCTION CHART

Control item

Line pressure control

Vehicle speed control

Shift control

Lock up control

Engine brake control

Fail-safe function (⁽¹⁾)

Self-diagnostics function

Input

Throttle angle signal (⁽²⁾)

X

X

X

X

X

X

X

Throttle position signal (⁽²⁾)

X (⁽³⁾)

X(⁽³⁾)

X

X (⁽³⁾)

X (⁽⁴⁾)

Revolution sensor

X

X

X

X

X

X

X

Turbine revolution sensor

X

X

X

X

X

X

Vehicle speed signal MTR (⁽⁵⁾) (⁽²⁾)

X

X

X

X

X

X

Engine speed signals (⁽²⁾)

X

X

X

X

X

Engine torque signals (⁽²⁾)

X

X

X

X

X

X

PNP switch

X

X

X

X

X

X

X (⁽⁴⁾)

Lever switch

X

X

X

X

X

Stop lamp switch signal (⁽²⁾)

X

X

X

X (⁽⁴⁾)

A/T fluid temperature sensor

X

X

X

X

X

X

ASCD

Operation signal (⁽²⁾)

X

X

X

Overdrive cancel signal (⁽²⁾)

X

X

X

TCM power supply voltage signal

X

X

X

X

X

X

X

Output

Shift solenoid valve A/B/C/D/E

X

X

X

X

Pressure control solenoid valve A

X

X

X

X

X

X

X

Pressure control solenoid valve B

X

X

X

X

X

Pressure control solenoid valve C

X

X

X

X

Self-diagnostics table (⁽²⁾)

X

⁽¹⁾	If these input and output signals are different, the TCM triggers the fail-safe function.

⁽²⁾	CAN communications.

⁽³⁾	Spare for throttle angle signal

⁽⁴⁾	Used as a condition for starting self-diagnostics; if self-diagnostics are not started, it is judged that there is some kind of error.

⁽⁵⁾	Spare for revolution sensor