Off-Vehicle Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

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.
  
  Fig 1: Checking TFT Sensor
  Courtesy of MAZDA MOTORS CORP.

Measure the resistance between the coupler component terminals E and H

Fig 2: Identifying Coupler Component Connector Terminal

Courtesy of MAZDA MOTORS CORP.

If there is any malfunction, replace the coupler component. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR REMOVAL/INSTALLATION [FS5A-EL] .)

TFT sensor specification

TFT SENSOR SPECIFICATION

ATF temperature (°C{°F})	Resistance (kilohm)
-20 {-4}	236-324
0{32}	84.3-110
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