TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR INSPECTION [AW6A-EL, AW6AX-EL]

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On-Vehicle Inspection

Caution
•  Water or foreign material entering the connector can cause a poor connection or corrosion. Be sure not to allow water or foreign material on the connector when disconnecting.
•  Do not damage the terminals.

1.  Disconnect the negative battery cable.

2.  Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

3.  Remove the TCM. (See TCM REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

4.  Verify that there is no continuity between coupler component terminals B7 and GND, or B8 and GND.

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•  If there is any malfunction, perform an off-vehicle inspection of TFT sensor. (See Off-Vehicle Inspection.)

5.  Install the TCM. (See TCM REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

6.  Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

7.  Connect the negative battery cable.


Off-Vehicle Inspection

Warning
•  A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool before replacing the ATF.
Caution
•  Water or foreign material entering the connector can cause a poor connection or corrosion. Be sure not to allow water or foreign material on the connector when disconnecting.
•  Do not damage the terminals.

1.  Disconnect the negative battery cable.

2.  Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

3.  Remove the under cover.

4.  Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [AW6A-EL, AW6AX-EL].)

5.  Remove the resonance chamber. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

6.  Remove the thermo valve. (See OIL COOLER REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

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7.  Remove the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

8.  Remove the TFT sensor. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

9.  Place the TFT sensor and a thermometer in ATF as shown in the figure, and heat the ATF gradually.

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10.  Measure the resistance between the coupler component terminals B7and B8.

•  If there is any malfunction, replace the TFT sensor. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

Transaxle fluid temperature (TFT) sensor

ATF temperature (°C {°F})

Resistance (kilohm)
10 {50}
5.62—7.31
25 {77}
Approx. 3.5
110 {230}
0.22—0.27

11.  Install the TFT sensor. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

12.  Install the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

13.  Install the thermo valve. (See OIL COOLER REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL].)

14.  Install the resonance chamber. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

15.  Add ATF to the specified level. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [AW6A-EL, AW6AX-EL].)

16.  Install the under cover.

17.  Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

18.  Connect the negative battery cable.