1. Remove the center accessory socket..
2. Connect the tester probe to the position shown in the figure and verify that there is continuity.

If it cannot be verified, replace the center accessory socket..
Accessory Socket
Center Accessory Socket Removal/InstallationKnock Sensor (Ks)
Purpose/Function
Detects abnormal combustion in the cylinder as basic information for mainly
determining the ignition timing.
Detects abnormal combustion in the combustion chamber and inputs it to the
PCM as a knocking signal.
Construction
Installed on the cylinder ...
Identification Number Locations
Vehicle Identification Number (VIN)
If the VIN plate is adhered to the dashboard, it is located in the position
shown in the figure.
Engine Type/Number
SKYACTIV-G 2.0
SKYACTIV-G 2.5
...
Front Door Key Cylinder Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the service hole cover.
3. Detach the screw from the front door key cylinder.
NOTE:
The screw cannot be removed because the front outer handle bracket has a
stopper which prevents the screw from falling.
4. While pre ...