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Home >> Suzuki >> 2012 >> Equator RMZ-4 >> Repair and Diagnosis >> Transmission >> Automatic Transmission System >> General Description >> A/T Control System: TCM Function >> Control System Outline
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Control System Outline

The A/T 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 SIGNALS REFERENCE

SENSORS (or SIGNALS)   TCM   ACTUATORS
PNP switch
Accelerator pedal position sensor
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Vehicle speed signal
Stop lamp switch signal
Turbine revolution sensor
1st position switch signal
Overdrive control switch signal
ATF pressure switch signal
Shift control
Line pressure control
Lock-up control
Engine brake control
Timing control
Fail-safe control
Self-diagnosis
SDT communication line
Duet-EA control
CAN system
Input clutch solenoid valve
Direct clutch solenoid valve
Front brake solenoid valve
High and low reverse clutch solenoid valve
Low coast brake solenoid valve
Torque converter clutch solenoid valve
Line pressure solenoid valve
O/D OFF indicator lamp Starter relay
Back-up lamp relay