On-Vehicle Inspection

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Disconnect the input/turbine speed sensor connector.
1. Disconnect the negative battery cable.
2. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
3. Disconnect the input/turbine speed sensor connector.
  
  Fig 1: 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 .)
Input/turbine speed sensor specification 250-600 ohms

Fig 2: Input/Turbine Speed Sensor Connector Terminals
Courtesy of MAZDA MOTORS CORP.