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Home >> Infiniti >> 2007 >> M35 Base >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> 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.

SENSOR SIGNALS REFERENCE CHART

SENSORS (or SIGNAL) => 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 Vehicle speed signal Manual mode switch signal Stop lamp switch signal Turbine revolution sensor ATF pressure switch Shift control Line pressure control Lock up control Engine brake control Timing control Fail-safe control Self-diagnosis CONSULT-II 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 A/T CHECK indicator lamp Back-up lamp relay Starter relay