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Home >> Mazda >> 2009 >> RX-8 R3, 1.3 2 >> Repair and Diagnosis >> Brakes >> Traction Control >> Dynamic Stability Control System >> Steering Angle Sensor Inspection
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Steering Angle Sensor Inspection

  1. Remove the column cover.
  2. Measure the voltage between steering angle sensor terminal B and ground.
    • If there is any malfunction, inspect the wiring harness between steering angle sensor terminal B and battery, then repair or replace if necessary.
    Fig 1: Identifying Steering Angle Sensor Connector Terminals
    G05985224Courtesy of MAZDA MOTORS CORP.

    Standard voltage 

    B+ 

  3. Turn the ignition switch to the ON position, then 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 ignition switch, then repair or replace if necessary.

    Standard voltage 

    B+ 

  4. Measure the voltage between steering angle sensor terminal H and the ground.
    • If there is any malfunction, inspect the wiring harness between steering angle sensor terminal H and ground point, then repair or replace if necessary.

    Standard voltage 

    0V 

  5. Turn the ignition switch off.
  6. Connect the M-MDS to the DLC-2.
  7. Select the "SWA_POS" PID.
  8. 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.

    Standard 

    When the steering wheel is turned to the right: 

    SWA_POS changes positively. 

    When the steering wheel is turned to the left: 

    SWA_POS changes negatively. 

    Fig 2: Identifying DLC-2 Connector
    G05985092Courtesy of MAZDA MOTORS CORP.