Steering Switch Inspection

WARNING:

Switch the ignition OFF (LOCK).
Disconnect the negative battery terminal and wait for 1 min or more . (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the driver-side air bag module. (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
Remove the steering wheel. (Refer to STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
Verify that the resistance and continuity between the steering switch terminals is as indicated in the table.

Fig 1: Steering Switch Terminals Circuit Diagram
Courtesy of MAZDA.
- If not as indicated in the table, replace the steering switch. (Refer to STEERING SWITCH REMOVAL/INSTALLATION .)
  
  Fig 2: Steering Switch Terminal Resistance Chart (1 Of 3)
  Courtesy of MAZDA.
  
  Fig 3: Steering Switch Terminal Resistance Chart (2 Of 3)
  Courtesy of MAZDA.
  
  Fig 4: Steering Switch Terminal Resistance Chart (3 Of 3)
  Courtesy of MAZDA.
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
Courtesy of MAZDA.
Verify that the LED illuminates.
- If the LED does not illuminate, replace the steering switch. (Refer to STEERING SWITCH REMOVAL/INSTALLATION .)