Trunk Lid Latch Switch Inspection

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the trunk lid trim. (See TRUNK LID TRIM REMOVAL/INSTALLATION .)
Remove the trunk lid latch and lock actuator. (See TRUNK LID LATCH AND RELEASE ACTUATOR REMOVAL/INSTALLATION .)
Press the latch in using a flathead screwdriver to inspect the latch lever condition.

Fig 1: Inspecting Latch Lever Condition
Courtesy of MAZDA MOTORS CORP.
Verify that the continuity is as indicated in the table.
- If not as indicated in the table, replace the trunk lid latch and release actuator
  
  Fig 2: Continuity Chart
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 3: Trunk Lid Latch Switch - Circuit Diagram
  Courtesy of MAZDA MOTORS CORP.