Transmission Temperature Sensor/Switch: Testing and Inspection

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

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. Service and Repair

3. Remove the TCM. Service and Repair

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











- If there is any malfunction, perform an off-vehicle inspection of TFT sensor.

5. Install the TCM. Service and Repair

6. Install the air cleaner component. Service and Repair

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. Service and Repair

3. Remove the under cover.

4. Drain the ATF. Automatic Transaxle Fluid (ATF) Replacement

5. Remove the resonance chamber. Service and Repair

6. Remove the thermo valve. Removal and Replacement






7. Remove the control valve body. Removal and Replacement

8. Remove the TFT sensor. Service and Repair

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











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

- If there is any malfunction, replace the TFT sensor. Service and Repair
Transaxle fluid temperature (TFT) sensor





11. Install the TFT sensor. Service and Repair

12. Install the control valve body. Removal and Replacement

13. Install the thermo valve. Removal and Replacement

14. Install the resonance chamber. Service and Repair

15. Add ATF to the specified level. Automatic Transaxle Fluid (ATF) Replacement

16. Install the under cover.

17. Install the air cleaner component. Service and Repair

18. Connect the negative battery cable.