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2008 - MX-5 - Transmission/Transaxle

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

CAUTION:

On-Vehicle Inspection

1. Remove the battery cover.
2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF].)
3. Disconnect the solenoid valve connector.

4. Measure resistance between the terminals A and B.

Transmission fluid temperature (TFT) sensor

ATF temperature (°C {°F})

Resistance (kilohm)

10 {50}

6.445

25 {77}

3.5

110 {230}

0.247


5. Connect the solenoid valve connector.
6. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF].)
7. Install the battery cover.

Off-Vehicle Inspection

WARNING:

1. Remove the TFT sensor. (See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [SJ6A-EL].)
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.

Transmission fluid temperature (TFT) sensor

ATF temperature (°C {°F})

Resistance (kilohm)

10 {50}

6.445

25 {77}

3.5

110 {230}

0.247


4. Install the TFT sensor. (See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [SJ6A-EL].)


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