Front Ultrasonic Sensor Short-Cord Inspection

WARNING: This page is about a different car, the 2018 Mazda 6. 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 set plate. (See SET PLATE REMOVAL/INSTALLATION .)
Remove the fresh-air duct installation bolts. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (WITH CYLINDER DEACTIVATION)] .) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (WITHOUT CYLINDER DEACTIVATION)] .)
Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION .)
Remove the front ultrasonic sensor short-cord. (See FRONT ULTRASONIC SENSOR SHORT-CORD REMOVAL/INSTALLATION .)

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

Fig 2: Front Ultrasonic Sensor Short-Cord Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Verify that the continuity between the front ultrasonic sensor short-cord terminals is as indicated in the table.
- If not as indicated in the table, replace the front ultrasonic sensor short-cord. (See FRONT ULTRASONIC SENSOR SHORT-CORD REMOVAL/INSTALLATION .)