WARNING:
Handling the crash zone sensor improperly can accidentally deploy the air bags and pre-tensioner seat belts, which may seriously injure you. Read the air bag system service warnings and cautions before handling the crash zone sensor..
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more
..
3. Remove the front bumper..
4. Remove the bolt.

5. Disconnect the connector..
6. Remove the crash zone sensor.
7. Install in the reverse order of removal.
8. Switch the ignition ON (engine off or on).
9. Verify that the air bag system warning light illuminates for approx. 6 s
and goes out.
If the air bag system warning light does not operate normally, refer to the on-board diagnostic system (air bag system) and perform inspection of the system..
Connector Disconnect Note
1. Press the area (1) indicated by the arrow and slide it as shown in the figure (2).

2. Lift up the location shown in the figure using a tape-wrapped flathead screwdriver (3) and disconnect the connector (4).
Control System [Manual Air Conditioner]
Crash Zone Sensor [Standard Deployment Control System]Air Intake Actuator Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...
Instrumentation/Driver Info. Personalization
A personalization function has been adopted which enables the instrument
cluster settings to be changed.
The Mazda Modular Diagnostic System (M-MDS) is required to perform the setting.
Refer to the Workshop Manual for the detailed setting procedure.
Instrument cluster
...
Fuel Injector Relay
Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid
valve operation.
Construction
The fuel injector relay is installed in the relay and fuse block.
Operation
When the ignition is switched ON, the battery voltage ...