Automatic Transaxle Control System - A4CF2: Overview Kia Forte I

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1. Remove the shift lever knob (A).
2. Remove the center console. (For Coupe, refer to «CONSOLE»(ref-362224-S29666035482010060400000) . For Sedan, refer to «CONSOLE»(ref-362245-S31568523972010060400000) .)
3. Remove the shift cable assembly (B) by removing the clamp (A).
4. Disconnect the interlock switch connector (A).
5. Remove the shift lever assembly (A).
6. Remove the retainer (A) and nuts (B). NOTE: In case, remove the crash pad and cowl cross bar. (For Coupe, refer to «CRASH PAD»(ref-362224-S30236245892010060400000) and «COWL CROSS BAR»(ref-362224-S19093883002010060400000) . For Sedan, refer to «CRASH PAD»(ref-362245-S13817783762010060400000) and «COWL CROSS BAR»(ref-362245-S25505231752010060400000) .)
7. Remove the shift cable assembly from the transaxle (refer to «AUTOMATIC TRANSAXLE SYSTEM - A4CF2»(ref-362221) ).
8. Remove the shift cable assembly.

Description

INPUT SPEED SENSOR SPECIFICATIONS AND FUNCTION Sensor type Type : HALL SENSOR Operating voltage : DC 12V Current consumption : 22mA (Max) Function Input speed sensor: Detect the input shaft rotation at the OD & REV retainer side to control oil pressure when shifting. Feedback control, clutch-clutch control, damper clutch control, shift range control, incorrect ratio control and sensor trouble detection signal. Connector

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AIR GAP, SENSOR RESISTANCE, AND OUTPUT VOLTAGE CHART

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1. Remove the battery terminal.
2. Remove the battery and battery tray.
3. Remove the air duct.
4. Remove the air cleaner assembly. (Refer to «AUTOMATIC TRANSAXLE SYSTEM - A4CF2»(ref-362221) )
5. Remove the input speed sensor connector (A).
6. Remove the input speed sensor (A).

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1. Install the new O-ring to the input speed sensor.
2. Install the input speed sensor (A). Tightening torque: 10~12Nm (1.0~1.2kgf.m, 7~8lb-ft) CAUTION: While installing the input shaft speed sensor, do not allow dust or other foreign particles to enter the transaxle.
3. Check the connector for dust, dirt, or oil, and then connect the input speed sensor connector (A) securely.
4. Installation is the reverse of removal.

OUTPUT SPEED SENSOR SPECIFICATIONS AND FUNCTION Sensor type Type : HALL SENSOR Output voltage : DC 12V Current consumption : 22mA (Max) Function Output speed sensor : Detect the output shaft RPM (T/F DRIVEN GEAR RPM) at the T/F driven gear Feedback control, clutch-clutch control, damper clutch control, shift range control, incorrect ratio control and sensor trouble detection signal. Connector

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AIR GAP, SENSOR RESISTANCE, AND OUTPUT VOLTAGE CHART

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1. Remove the battery terminal.
2. Remove the battery and battery tray.
3. Remove the air duct.
4. Remove the air cleaner assembly. (Refer to «AUTOMATIC TRANSAXLE SYSTEM - A4CF2»(ref-362221) )
5. Remove the output speed sensor connector (A).
6. Remove the output speed sensor (A).

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1. Install the new O-ring to the output shaft speed sensor.
2. Remove the output speed sensor (A). Tightening torque: 10~12Nm (1.0~1.2kgf.m, 7~8lb-ft) CAUTION: While installing the output speed sensor, do not allow dust or other foreign particles to enter the transaxle.
3. Check the connector for dust, dirt, or oil, then connect the output speed sensor connector (A) securely.
4. Installation is the reverse of removal.

TRANSAXLE OIL TEMPERATURE SENSOR SPECIFICATIONS AND FUNCTION Sensor type Type : Thermistor Use available temperature :-40~160°C (-40~320°F) Function and feature Detect the temperature of ATF through the thermistor which is exposed outside. When shifting the range, it is used as the oil pressure control information. Connector

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TEMPERATURE AND RESISTANCE CHART

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1. Remove the battery terminal.
2. Lift the vehicle.
3. Remove the under cover.
4. Loosen the drain plug and drain the transaxle oil.
5. Remove the oil pan.
6. Remove the oil filter.
7. Remove the valve body.
8. Disconnect the main harness connector (A) from the valve body and remove oil temperature sensor.

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1. Install oil temperature sensor and connect the main harness connector (A) to the valve body. CAUTION: When connecting the oil temperature connector, check the connector for rust, dirt, or oil, then reconnect it.
2. Install the valve body. Tightening torque: 10~12Nm (1.0~1.2kgf.m, 7~8lb-ft)
3. Install the oil filter. Tightening torque: 5~7Nm (0.5~0.7kgf.m, 4~5lb-ft)
4. Continue to apply liquid gasket at application points at the oil pan with ø0.098in (2.5mm) thickness. Liquid gasket Part name : Threebond 1281B
5. Tighten the mounting bolt with the specified torque after installing the oil pan. Tightening torque: 10~12Nm (1.0~1.2kgf.m, 7~8lb-ft)
6. Install the drain plug. Tightening torque: 40~50Nm (4.0~5.0kgf.m, 28.9~36.2lb-ft)
7. Installation is the reverse of the removal.

INHIBITOR SWITCH SPECIFICATIONS AND FUNCTION

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1. Remove the battery terminal.
2. Remove the battery and battery tray.
3. Remove the air duct.
4. Remove the air cleaner assembly. (Refer to «AUTOMATIC TRANSAXLE SYSTEM - A4CF2»(ref-362221) )
5. Disconnect the inhibitor switch connector (A).
6. Remove the control cable (A) from the manual control lever.
7. Remove the inhibitor switch and manual control lever.

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1. Set the inhibitor switch to the "N" position.
2. Set the inhibitor switch control shaft to the "N" position.
3. Install the inhibitor switch and manual control lever. Tightening torque: Shaft nut: 17~21Nm (1.7~2.1kgf.m, 12~15lb-ft) Bolt (2EA): 10~12Nm (1.0~1.2kgf.m, 7~8lb-ft)
4. Install the control cable (A) to the manual control lever.
5. Connect the inhibitor switch connector (A).
6. Installation is the reverse of the removal.
7. Turn the ignition switch ON after installation. Move the shift lever from "P" range to "L" range, and verify that the A/T gear position indicator follows the transaxle range switch.