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Steering Switch Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  1. Switch the ignition OFF (LOCK).
  2. Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
  4. Remove the steering wheel. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
  5. Verify that the resistance and continuity between the steering switch terminals is as indicated in the table.
    Fig 1: Steering Switch Circuit Diagram
    G11431046Courtesy of MAZDA MOTORS CORP.
    Fig 2: Steering Switch Terminals Resistance Chart (1 Of 3)
    G09077738Courtesy of MAZDA MOTORS CORP.
    Fig 3: Steering Switch Terminals Resistance Chart (2 Of 3)
    G09788425Courtesy of MAZDA MOTORS CORP.
    Fig 4: Steering Switch Terminals Resistance Chart (3 Of 3)
    G11431049Courtesy of MAZDA MOTORS CORP.
  6. Apply battery positive voltage to steering switch terminal F, and connect terminal B to ground.
    Fig 5: Applying Battery Positive Voltage To Steering Switch Terminal F
    G09788422Courtesy of MAZDA MOTORS CORP.
  7. Verify that the LED illuminates.