1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove the horn..
4. Apply battery positive voltage to horn terminal A, and connect the horn retaining bolt to ground as shown in the figure, and then verify that the horn sounds.

If the horn does not sound, replace the horn.
Horn
Horn Removal/InstallationGlass/Windows/Mirrors
Outline
The following glass has been adopted.
Windshield
Front door glass
Rear door glass
Rear door quarter glass
Quarter window glass
Rear window glass
Outer mirror glass
The following mirrors h ...
Heater Core
Purpose
The heater core heats passing air.
Function
A portion of the engine coolant is taken into the heater core to heat the
air passing through the heater core.
Construction
The heater core consists of a tube which passes engine coolant, and the heat
ra ...
Ambient Temperature Sensor [Manual Air Conditioner]
Purpose
The ambient temperature sensor detects the ambient temperature.
Function
The ambient temperature sensor converts the detected temperature to an electric
signal.
Construction
A thermistor-type ambient temperature sensor has been adopted.
The ambient ...