Ultrasonic Sensor Short-Cord 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 .)
Remove the following parts:
1. Rear combination light (See REAR COMBINATION LIGHT REMOVAL/INSTALLATION .)
2. Rear splash shield (See REAR SPLASH SHIELD REMOVAL/INSTALLATION .)
3. Rear bumper (See REAR BUMPER REMOVAL/INSTALLATION .)
4. Ultrasonic sensor short-cord (See ULTRASONIC SENSOR SHORT-CORD REMOVAL/INSTALLATION .)
Verify that the continuity between the ultrasonic sensor short-cord terminals is as indicated in the table.

Fig 1: Ultrasonic Sensor Short-Cord Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Checking Continuity Between Ultrasonic Sensor Short-Cord Terminals
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the ultrasonic sensor short-cord. (See ULTRASONIC SENSOR SHORT-CORD REMOVAL/INSTALLATION .)