Power Liftgate (PLG) Drive Unit Inspection: LH

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. Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION .)
2. Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION .)
3. Trunk side pocket (See TRUNK SIDE POCKET REMOVAL/INSTALLATION .)
4. Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION .)
5. D-pillar trim (See D-PILLAR TRIM REMOVAL/INSTALLATION .)
6. Liftgate upper trim (See LIFTGATE UPPER TRIM REMOVAL/INSTALLATION .)
7. Power liftgate (PLG) drive unit (See POWER LIFTGATE (PLG) DRIVE UNIT REMOVAL/INSTALLATION .)

Apply battery positive voltage and connect the ground to power liftgate (PLG) drive unit terminals G and H, and then inspect the front power window motor operation.

B+ Terminal	Ground Terminal	Operation
H	G	Liftgate close operation
G	H	Liftgate open operation

Fig 1: Power Liftgate Drive Unit Circuit Diagram (LH)

Courtesy of MAZDA MOTORS CORP.

If the power liftgate (PLG) drive unit does not operate as indicated in the table, replace it. (See POWER LIFTGATE (PLG) DRIVE UNIT REMOVAL/INSTALLATION .)