Steering Angle Sensor Inspection

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION .)
Turn the steering wheel to the right and left, and verify that the voltage and pulses at the terminals are as shown in the illustration.
- If not as specified, replace the steering angle sensor.
  
  Fig 1: Steering Angle Sensor Terminals Voltage And Pulses
  Courtesy of MAZDA MOTORS CORP.