1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove the horn..
4. Apply battery positive voltage and connect the ground as shown in the figure and verify the horn beeper sound operation.

If the beep sound cannot be verified, replace the horn.
Horn
Horn Removal/InstallationRCD (Rear Camera Detection)
When reversing the Subaru Solterra, the rear camera detection system
actively monitors the area behind the vehicle and is capable of identifying pedestrians
within its coverage zone.
If a pedestrian is recognized, the Subaru Solterra immediately alerts
the driver by sounding an audible warnin ...
Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S11 (A/F sensor output current)
...
Sunroof Unit Disassembly/Assembly
NOTE:
If the guide or sunroof motor is removed, the glass panel will not be positioned
properly after the re-installation. To ensure proper positioning of the glass
panel, place alignment marks on the guide pin and frame before removing the
guide or sunroof motor.
1. Disassemb ...