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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1700 (Automatic Transmission) >> A/T Control System >> Input/Output Signal of TCM
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Input/Output Signal of TCM

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
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 X
Closed throttle position signal((4)) X((2)) X((2)) - X X((2))   X
Wide open throttle position signal((4)) X((2)) X((2))     X((2))   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
Stop lamp switch signal((4))   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