1. Disconnect the negative battery cable..
2. Remove the column cover upper..
3. Remove the ignition key illumination bulb.

4. Install in the reverse order of removal.
Ignition Coil/Ion Sensor Removal/Installation [Skyactiv G 2.0]
Spark Plug Inspection [Mzr 2.0, Mzr 2.5]BSM OFF Indicator Light
This indicator light illuminates for a few
seconds when the ignition is switched ON.
The BSM OFF indicator light illuminates
when the BSM system is turned off by
pressing the BSM OFF switch.
The indicator light flashes if the BSM
system has a malfunction. Consult an
Authorized Mazda D ...
Inboard Light Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Disconnect the connector.
4. Remove the nut.
5. Remove the bracket.
6. Remove the inboard light as shown in the figure.
7. Install in the reverse order of removal..
5HB
1. Disconnect the negative ...
Key Interlock System Inspection
Key Interlock System Inspection
1. Switch the ignition to ON.
2. Perform the following procedures to inspect the key interlock system.
If there is any malfunction, inspect the key interlock solenoid and NOT P
position switch..
a. Verify that the ignition cannot be switched to off ...