Steering Switch Inspection

WARNING:

Switch the ignition OFF (LOCK).
Disconnect the negative battery cable and wait for 1 min or more. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
Remove the steering wheel. (See 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 Terminal Wiring Diagram
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION .)
Fig 2: Steering Switch Terminal Resistance Chart (1 Of 4)
Courtesy of MAZDA MOTORS CORP.

Fig 3: Steering Switch Terminal Resistance Chart (2 Of 4)
Courtesy of MAZDA MOTORS CORP.

Fig 4: Steering Switch Terminal Resistance Chart (3 Of 4)
Courtesy of MAZDA MOTORS CORP.

Fig 5: Steering Switch Terminal Resistance Chart (4 Of 4)
Courtesy of MAZDA MOTORS CORP.
Apply battery positive voltage to steering switch terminal F, and connect terminal B to ground.

Fig 6: Applying Battery Positive Voltage To Steering Switch Terminal F
Courtesy of MAZDA MOTORS CORP.
Verify that the LED illuminates.
- If the LED does not illuminate, replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION .)