Continuity Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-5. 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 electric parking brake switch. (See ELECTRIC PARKING BRAKE SWITCH REMOVAL/INSTALLATION .)
Verify that the continuity is as indicated in the table.

Fig 1: Electric Parking Brake Switch Connector Terminals
Courtesy of MAZDA MOTORS CORP.

Fig 2: Auto Hold Switch Connector Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the electric parking brake switch.