Crash Zone Sensor Removal/Installation [Two-Step Deployment Control System - Us/CANADA Spec.]

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Handling the crash zone sensor improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the crash zone sensor. (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)

Switch the ignition off.
Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION .)
Remove the bolt.

Fig 1: Crash Zone Sensor, Connector And Bolt (LH And RH)
Courtesy of MAZDA MOTORS CORP.
Disconnect the connector.
Remove the crash zone sensor.
Install in the reverse order of removal.
Switch the ignition ON (engine off or on).
Verify that the air bag/seat belt pre-tensioner system warning light illuminates for approx. 6 s and turns off.
- If the air bag/seat belt pre-tensioner system warning light does not operate normally, refer to the on-board diagnostic system (air bag system) and perform inspection of the system. (See FLOWCHART [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .)