Input/Turbine Speed Sensor Inspection

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the resonance chamber, fresh-air duct, and air cleaner component.
Remove the fuel filter mounting nuts.
Disconnect the input/turbine speed sensor connector.
Measure resistance between the terminals of the input/turbine speed sensor.
- If not correct, replace the input/turbine speed sensor.
  Resistance (ATF Temperature: -40-160 °C {-40-320 °F}) 253-604 ohms
  
  Fig 1: Measuring Input/Turbine Speed Sensor Resistance
  Courtesy of MAZDA MOTORS CORP.
Connect the input/turbine speed sensor connector.
Install the fuel filter mounting nuts.
Install the air cleaner component, fresh-air duct, and resonance chamber.
Connect the negative battery cable.