On-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.

Disconnect the input/turbine speed sensor connector
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [L5] .)
3. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L5] .)
4. Disconnect the input/turbine speed sensor connector
  
  Fig 1: Locating Input/Turbine Speed Sensor
  Courtesy of MAZDA MOTORS CORP.
Measure the resistance between input/turbine speed sensor terminals A and B
- If there is any malfunction, replace the input/turbine speed sensor. (See INPUT/TURBINE SPEED SENSOR REMOVAL/INSTALLATION [FS5A-EL] .)
  
  Fig 2: Identifying Input/Turbine Speed Sensor Connector Terminal
  Courtesy of MAZDA MOTORS CORP.
  
  Input/turbine speed sensor specification 250-600 ohms