Starter Interlock 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.

CAUTION:

Do not reuse the starter interlock switch if it is removed from the vehicle even once. Replace with a new starter interlock switch when installing.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Disconnect the starter interlock switch connector.
Verify that the continuity is as indicated in the table using a tester.

Fig 1: Starter Interlock Switch Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Locating Starter Interlock Switch Terminals
Courtesy of MAZDA MOTORS CORP.
- If the continuity is not as indicated in the table, replace the starter interlock switch. (See STARTER INTERLOCK SWITCH REMOVAL/INSTALLATION .)