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A/T CONTROL SYSTEM TM-89 < FUNCTION DIAGNOSIS > [5AT: RE5R05A] C E F G H I J K L M A B TM N O P - TCM - Turbine revolution sensor 1, 2 - Revolution sensor - A/T fluid temperature sensor 1, 2 - PNP switch - Line pressure solenoid valve - Torque converter clutch solenoid valve - Direct clutch solenoid valve - High and low reverse clutch solenoid valve - Input clutch solenoid valve - Front brake solenoid valve - Low coast brake solenoid valve - ATF pressure switch 2 Component Description INFOID:0000000001672108 A/T ASSEMBLY Name Function TCM PNP switch Vehicle speed sensor A/T (Revolution sen- Turbine revolution sensor 1 Turbine revolution sensor 2 A/T fluid temperature sensor 1 A/T fluid temperature sensor 2 Input clutch solenoid valve Front brake solenoid valve Direct clutch solenoid valve High and low reverse clutch solenoid valve Low coast brake solenoid valve ATF pressure switch 2 (LC/B) Detects any malfunction in the low coast brake hydraulic pressure. When it detects any Torque converter regulator valve In order to prevent the pressure supplied to the torque converter from being excessive, Pressure regulator valve Adjusts the oil discharged from the oil pump to the optimum pressure (line pressure) for Front brake control valve When the front brake is coupled, adjusts the line pressure to the optimum pressure Accumulator control valve Adjusts the pressure (accumulator control pressure) acting on the accumulator piston Pilot valve A Adjusts the line pressure and produces the constant pressure (pilot pressure) required Pilot valve B Adjusts the line pressure and produces the constant pressure (pilot pressure) required Low coast brake switching valve During engine braking, supplies the line pressure to the low coast brake reducing valve. Low coast brake reducing valve When the low coast brake is coupled, adjusts the line pressure to the optimum pressure N-R accumulator Produces the stabilizing pressure for when N-R is selected. |