Hazard Warning Switch Inspection

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Meter hood cover (See METER HOOD COVER REMOVAL/INSTALLATION .)
2. Audio panel (See AUDIO PANEL REMOVAL/INSTALLATION .)
3. Passenger-side decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
4. Center panel (See CENTER PANEL REMOVAL/INSTALLATION .)
Verify that the continuity between the hazard warning switch terminals is as indicated in the table.

Fig 1: Inspecting Continuity Between Hazard Warning Switch Terminals
Courtesy of MAZDA MOTORS CORP.

Fig 2: Hazard Warning Switch Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.
- If the continuity is as indicated in the table, go to the next step.
- If not as indicated in the table, replace the hazard warning switch. (See HAZARD WARNING SWITCH REMOVAL/INSTALLATION .)
Apply battery voltage to hazard warning switch terminal A, and connect terminal B to ground.

Fig 3: Applying Battery Voltage To Hazard Warning Switch Terminal A
Courtesy of MAZDA MOTORS CORP.
Verify that the LED illuminates.
- If the LED does not illuminate, replace the hazard warning switch. (See HAZARD WARNING SWITCH REMOVAL/INSTALLATION .)