Coolant Level Switch Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the coolant level switch.
Verify the continuity between the coolant level switch terminals.
- If the continuity is not as indicated in the tables, replace the coolant reserve tank.
Fig 1: Coolant Level Switch Terminals Continuity Description Table
Courtesy of MAZDA MOTORS CORP.

Fig 2: Inspecting Coolant Level Switch
Courtesy of MAZDA MOTORS CORP.