| Component Location |

| 1. Horn switch 2. Horn relay (Engine room compartment) 3. Horn - High pitch | 4. Horn - Low pitch 5. Clock spring |
Inspection Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal. The horn should make a sound. If the horn fails to make a sound, replace it.
Description System Overview The System offers the following features: – Human / machine interface through a 1-stage button, for terminal switching and engine start. – Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
Inspection 1. Ignition "OFF” 2. Disconnect the connector of mode control actuator. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3and grounding terminal 7. 4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse.