Power Liftgate (PLG) Rear 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 .)
Remover the power liftgate (PLG) rear switch. (See POWER LIFTGATE (PLG) REAR SWITCH REMOVAL/INSTALLATION .)
Verify that the continuity between the power liftgate (PLG) rear switch terminals is as indicated in the table.

Fig 1: Power Liftgate Rear Switch Circuit Diagram
Courtesy of MAZDA MOTORS CORP.

Fig 2: Power Liftgate Rear Switch Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the power liftgate (PLG) rear switch. (See POWER LIFTGATE (PLG) REAR SWITCH REMOVAL/INSTALLATION .)
Apply battery voltage to power liftgate (PLG) rear switch terminal A, and connect terminal B to ground.
Verify that the LED illuminates.
- If there is any malfunction, replace the power liftgate (PLG) rear switch. (See POWER LIFTGATE (PLG) REAR SWITCH REMOVAL/INSTALLATION .)