Steering Angle Sensor Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION .)
Connect the plus (+) end of a tester to steering angle sensor terminal A and the minus (-) end of the tester to terminal B (GND).

Fig 1: Identifying Steering Angle Sensor Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Switch the ignition ON (engine off or on).
Turn the steering wheel to the left and right.
Verify that the voltage from steering angle sensor terminal A to B (GND) is as indicated in the table.

Fig 2: Steering Wheel Turning Angle And Output Voltage Graph
Courtesy of MAZDA MOTORS CORP.
- If the voltage can be verified as indicated in the table, go to the next step.
- If the voltage is not as indicated in the table, replace the clock spring. (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] or CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
Switch the ignition to off.
Connect the plus (+) end of a tester to steering angle sensor terminal C and the minus (-) end of the tester to terminal B (GND).

Fig 3: Identifying Steering Angle Sensor Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Switch the ignition ON (engine off or on).
Turn the steering wheel to the left and right.
Verify that the voltage from steering angle sensor terminal C to B (GND) is as indicated in the table.

Fig 4: Steering Wheel Turning Angle And Output Voltage Graph
Courtesy of MAZDA MOTORS CORP.
- If the voltage is not as indicated in the table, replace the clock spring. (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] or CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)