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Input/Output Signal of TCM

INPUT/OUTPUT SIGNAL OF TCM

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 ((4)) X X X X X X X
Vehicle speed sensor A/T (revolution sensor) X X X X   X X
Vehicle speed sensor MTR((1)) ((4)) X X X X     X
Closed throttle position signal ((4)) ((2)) X ((2)) X   X ((2)) X   X
Wide open throttle position signal ((4)) ((2)) X ((2)) X     ((2)) X   X
Turbine revolution sensor 1 X X   X   X X
Turbine revolution sensor 2 (for 4th speed only) X X   X   X X
Engine speed signals ((4))       X     X
PNP switch X X X X X X X
A/T fluid temperature sensors 1, 2 X X X X X X X
ASCD Operation signal ((4))   X X X X    
Overdrive cancel signal ((4))   X   X X    
TCM power supply voltage signal X X X X X   X
Output Direct clutch solenoid (ATF pressure switch 5)   X X     X X
Input clutch solenoid (ATF pressure switch 3)   X X     X X
High and low reverse clutch solenoid (ATF pressure switch 6)   X X     X X
Front brake solenoid (ATF pressure switch 1)   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
Starter relay           X X
(1) Spare for vehicle speed sensor A/T (revolution sensor)
(2) Spare for accelerator pedal position signal
(3) If these input and output signals are different, the TCM triggers the fail-safe function.
(4) CAN communications