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Home >> Nissan-Datsun >> 2007 >> X-Trail LE >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> A/T Control System >> TCM Function >> Control System Outline

Control System Outline

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

SWITCHES & SENSORS REFERENCE

SWITCHES & SENSORS → TCM → ACTUATORS
PNP switch
Accelerator pedal position (APP) sensor
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Vehicle speed sensor
Overdrive control switch signal
Stop lamp switch signal		 Shift control
Line pressure control
Lock-up control
Overrun clutch control
Timing control
Fail-safe control
Self-diagnosis
CONSULT-II communication line control
Duet-EU control		 Shift solenoid valve A
Shift solenoid valve B
Overrun clutch solenoid valve
Torque converter clutch solenoid valve
Line pressure solenoid valve
O/D OFF indicator lamp
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