Liftgate/Power Liftgate (PLG) Latch Switch Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. 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 following parts:
1. Liftgate upper trim (See LIFTGATE UPPER TRIM REMOVAL/INSTALLATION .)
2. Liftgate side trim (See LIFTGATE SIDE TRIM REMOVAL/INSTALLATION .)
3. Liftgate recess cover (See LIFTGATE RECESS REMOVAL/INSTALLATION .)
4. Power liftgate (PLG) rear switch (With power liftgate (PLG) system) (See POWER LIFTGATE (PLG) REAR SWITCH REMOVAL/INSTALLATION .)
5. Liftgate lower trim (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION .)
6. Liftgate latch and lock actuator (See LIFTGATE LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
Liftgate latch and lock actuator. (See LIFTGATE LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
Verify that the continuity is as indicated in the table.
Without power liftgate (PLG) system

Fig 1: PLG System Continuity Chart (Without Power Liftgate (PLG) System)
Courtesy of MAZDA MOTORS CORP.

With power liftgate (PLG) system

Fig 2: PLG System Continuity Chart (With Power Liftgate (PLG) System)
Courtesy of MAZDA MOTORS CORP.

Fig 3: PLG System Circuit Diagram
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the liftgate latch and lock actuator. (See LIFTGATE LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
NOTE:
- When inspecting the latch condition of the liftgate latch switch, press in the latch lever using a flathead screwdriver and set it to the latched position.
Fig 4: Pressing In Latch Lever Using Flathead Screwdriver
Courtesy of MAZDA MOTORS CORP.