Parking Sensor Buzzer Inspection

Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Liftgate upper trim (Refer to LIFTGATE UPPER TRIM REMOVAL/INSTALLATION .)
2. Liftgate side trim (Refer to LIFTGATE SIDE TRIM REMOVAL/INSTALLATION .)
3. Liftgate recess cover (Refer to LIFTGATE RECESS REMOVAL/INSTALLATION .)
4. Power liftgate (PLG) rear switch (With power liftgate (PLG) system) (Refer to POWER LIFTGATE (PLG) REAR SWITCH REMOVAL/INSTALLATION .)
5. Liftgate lower trim (Refer to LIFTGATE LOWER TRIM REMOVAL/INSTALLATION .)
6. Parking sensor buzzer (Refer to PARKING SENSOR BUZZER REMOVAL/INSTALLATION .)
Verify the continuity between parking sensor buzzer terminals A and B.

Fig 1: Parking Sensor Buzzer Terminal Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Parking Sensor Buzzer Circuit Diagram
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the parking sensor buzzer. (Refer to PARKING SENSOR BUZZER REMOVAL/INSTALLATION .)