Resistance 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.

Remove the CKP sensor connector.
Measure the resistance between the CKP sensor terminals.
- If not within the specification, replace the CKP sensor. See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [MZI-3.7] .
  CKP sensor resistance
  
  575-790 ohms [18-28 °C {64.4-82.4 °F}]
  
  Fig 1: Identifying CKP Sensor Connector
  Courtesy of MAZDA MOTORS CORP.