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Transmission Temperature Sensor/Switch: Testing and Inspection




TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [SJ6A-EL]

CAUTION:
- Water or foreign material entering the connector can cause poor connections or corrosion. Be sure that water or foreign material do not enter the connector when disconnecting it.

On-Vehicle Inspection

1. Remove the engine cover. Service and Repair

2. Remove the battery cover.

3. Disconnect the negative battery cable.

4. Disconnect the solenoid valve connector.






5. Measure resistance between the terminals A and B.






- If there is any malfunction, perform the off-vehicle inspection for TFT sensor.

Transmission fluid temperature (TFT) sensor





6. Connect the solenoid valve connector.

7. Connect the negative battery cable.

8. Install the battery cover.

9. Install the engine cover. Service and Repair

Off-Vehicle Inspection

WARNING:
- A hot the transmission and ATF can cause severe burns. Turn off the engine and wait until they are cool before replacing ATF.

1. Remove the TFT sensor. Service and Repair

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

3. Measure the resistance between the TFT sensor terminals.






- If there is any malfunction, replace the TFT sensor. Service and Repair

Transmission fluid temperature (TFT) sensor





4. Install the TFT sensor. Service and Repair