1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.

If not within the specification, replace the front door speaker.

Without Bose®: 3.4—4.6 ohms
With Bose®: 1.83—2.47 ohms
Front Center Speaker Removal/Installation
Front Door Speaker Removal/InstallationLicense Plate Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped fastener remover to the position shown in the figure,
release the tabs, and remove the lens.
3. Remove the license plate light bulb.
4. Install in the reverse order of removal. ...
Ion Sensor Inspection [Skyactiv G 2.0]
DTC Inspection
NOTE:
Because the ion sensor is integrated in the ignition coil, replacing the
ion sensor includes replacement of the ignition coil/ion sensor.
1. Connect the M-MDS to the DLC-2.
2. Perform the DTC inspection using the M-MDS..
If any DTC related to the ...
Map Light Inspection
1. Disconnect the negative battery cable..
2. Remove the map light..
3. Verify that the continuity between the map light terminals is as indicated
in the table.
If not as indicated in the table, inspect the bulb. If there is no malfunction,
replace the map light.
4. ...