Steering Angle Sensor Inspection

Remove the column cover.
Turn the ignition switch to the ON position and measure the voltage between steering angle sensor terminal A and ground.
- If there is any malfunction, inspect the wiring harness between steering angle sensor terminal A and DSC HU/CM terminal AB. Repair or replace if necessary.
Standard voltage B+
Measure the voltage between steering angle sensor terminal D and ground.
- If there is any malfunction, inspect the wiring harness between steering angle sensor terminal D and DSC HU/CM terminal AH. Repair or replace if necessary.
  
  Fig 1: Identifying Steering Angle Sensor Connector Terminals
  Courtesy of MAZDA MOTORS CORP.
Standard voltage 0V
Turn the ignition switch off.
Connect the M-MDS to the DLC-2.
Select the "SWA_POS" PID.
Verify the SWA_POS changes when the steering wheel is turned to the left and right.
- If there is any malfunction, replace the steering angle sensor. (See CLOCK SPRING REMOVAL/INSTALLATION .)
  
  Fig 2: Identifying DLC-2 Connector
  Courtesy of MAZDA MOTORS CORP.
Standard When the steering wheel is turned to the left: SWA_POS changes positively.

When the steering wheel is turned to the right: SWA_POS changes negatively.