Inspection of Individual Part

Remove the intermediate sensor. (See INTERMEDIATE SENSOR REMOVAL/INSTALLATION .)
Measure resistance between the terminals of the intermediate speed sensor.
- If not as specified, replace the intermediate sensor.
- If it is normal, replace the harness.
Fig 1: Measuring Resistance Between Terminals Of Intermediate Speed Sensor
Courtesy of MAZDA MOTORS CORP.

Resistance (ATF temperature: 20 °C {68 °F}) 513-627 ohms
Install the intermediate sensor. (See INTERMEDIATE SENSOR REMOVAL/INSTALLATION .)