1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
e. Rear package trim.
f. Rear center speaker.
3. Verify the resistance between the rear center speaker terminals.

If not within the specification, replace the rear center speaker.

0.9—1.1 ohms
Keyless Antenna Removal/Installation
Rear Center Speaker Removal/InstallationIon 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 ...
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.
...
Supplier Identification Procedure [Audio]
Identification Using the Label or Inscribed Lettering
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove the audio unit..
4. Verify the supplier by referring to the label attached to each unit.
Verify Using the Diagnostic Assist Function
Without display
...