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

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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.
•  Do not damage the terminals.

On-Vehicle Inspection

1.  Perform the following procedures.

(1)  Disconnect the negative battery cable.
(2)  Disconnect the coupler component connector.
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2.  Measure the resistance between the coupler component terminals E and H.

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•  If there is any malfunction, replace the coupler component. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [FN4A-EL].)

TFT sensor specification

ATF temperature (°C {°F})

Resistance (kilohm)
-20 {-4}
236—324
0 {32}
84.3—110.0
20 {68}
33.5—42.0
40 {104}
14.7—17.9
60 {140}
7.08—8.17
80 {176}
3.61—4.15
100 {212}
1.96—2.24
120 {248}
1.13—1.28
130 {266}
0.87—0.98


Off-Vehicle Inspection

Warning
•  A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool.

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

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

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•  If there is any malfunction, replace the coupler component. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [FN4A-EL].)

TFT sensor specification

ATF temperature (°C {°F})

Resistance (kilohm)
-20 {-4}
236—324
0 {32}
84.3—110.0
20 {68}
33.5—42.0
40 {104}
14.7—17.9
60 {140}
7.08—8.17
80 {176}
3.61—4.15
100 {212}
1.96—2.24
120 {248}
1.13—1.28
130 {266}
0.87—0.98