Transmission Temperature Sensor/Switch: Testing and Inspection

TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR INSPECTION [FN4A-EL]

CAUTION:
- Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.

On-Vehicle Inspection

1. Disconnect the coupler component connector.
a. Disconnect the negative battery cable.

b. Disconnect the coupler component connector.






2. Measure the resistance between the coupler component terminals E and H.






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

TFT sensor specification





Off-Vehicle Inspection

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






WARNING:
- A hot ATF and beaker can cause severe burns. Do not touch them.

2. Measure the resistance between the coupler component terminals E and H.






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

TFT sensor specification