Rear Parking Sensor Buzzer Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
2. Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
3. Rear seat side back (See REAR SEAT SIDE BACK REMOVAL/INSTALLATION .)
4. Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
5. C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
6. High-mount brake light (See HIGH-MOUNT BRAKE LIGHT REMOVAL/INSTALLATION .)
7. Rear package trim (See REAR PACKAGE TRIM REMOVAL/INSTALLATION .)
8. Rear parking sensor buzzer (See REAR PARKING SENSOR BUZZER REMOVAL/INSTALLATION .)
Verify the continuity between rear parking sensor buzzer terminals A and B.

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

Fig 2: Checking Continuity Between Rear Parking Sensor Buzzer Terminals A And B
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the parking sensor buzzer. (See REAR PARKING SENSOR BUZZER REMOVAL/INSTALLATION .)