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Home >> Nissan-Datsun >> 2009 >> Versa Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> A/T Control System >> TCM Function >> Control System Outline
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Control System Outline

The automatic transaxle senses vehicle operating conditions through various sensors or signals. It always controls the optimum shift position and reduces shifting and lock up shocks.

CONTROL SYSTEM OUTLINE

SWITCHES & SENSORS ==> TCM ==> ACTUATORS
PNP switch
Accelerator pedal position signal
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Turbine revolution sensor (Power train revolution sensor)
Vehicle speed sensor
Overdrive control switch signal
Stop lamp switch signal
Shift control
Line pressure control
Lock up control
Overrun clutch control
Fail-safe control
Self-diagnosis
CONSULT-III communication line control
Shift solenoid valve A
Shift solenoid valve B
Overrun clutch solenoid valve
Torque converter clutch solenoid valve
Line pressure solenoid valve
OD OFF indicator lamp