Back-Up Light Switch Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the air cleaner component. (ex: air cleaner, air hose) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
Disconnect the back-up light switch connector. (See BACK-UP LIGHT SWITCH REMOVAL/INSTALLATION [C66M-R] .)
Verify that the continuity between the back-up light switch terminals is as indicated in the table.

Fig 1: Locating Back-Up Light Switch Terminal
Courtesy of MAZDA MOTORS CORP.

Fig 2: Locating Back-Up Light Switch Connector
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the back-up light switch. (See BACK-UP LIGHT SWITCH REMOVAL/INSTALLATION [C66M-R] .)