Liftgate Lock Actuator Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. 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 following parts:
1. Liftgate upper trim (See LIFTGATE UPPER TRIM REMOVAL/INSTALLATION .)
2. Liftgate side trim (See LIFTGATE SIDE TRIM REMOVAL/INSTALLATION .)
3. Liftgate lower trim (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION .)
4. Liftgate latch and lock actuator (See LIFTGATE LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION .)
Press in the latch lever of the liftgate latch and lock actuator using a flathead screwdriver, and set it to the latched condition.

Fig 1: Pressing In Liftgate Latch Lever And Lock Actuator Using Flathead Screwdriver
Courtesy of MAZDA MOTORS CORP.
Connect terminal D to the positive battery voltage, connect terminal B to the ground, and verify that the latch lever is released and the condition changes to the unlatch condition.

Fig 2: Liftgate Lock Actuator Circuit Diagram

Courtesy of MAZDA MOTORS CORP.

If the operation cannot be verified, replace the liftgate latch and lock actuator.