Steering Switch Inspection

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the steering wheel. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION (US) .)
Verify that the resistance and continuity between the steering switch terminals is as indicated in the table.

Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION .)
Courtesy of MAZDA MOTORS CORP.

Courtesy of MAZDA MOTORS CORP.

Courtesy of MAZDA MOTORS CORP.
Apply battery positive voltage to steering switch terminal 1N, and connect terminal 3B to ground.

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 .)