Jeep Cherokee Service ManualHorn systems » Description and operation
Horn system
Horn system
DESCRIPTION
A dual-note electric horn system is standard factory- installed equipment on this model. The standard equipment horn system features one low-note horn unit and one high-note horn unit. The horn system uses a non-switched source of battery current so that the system will remain functional, regardless of the ignition switch position. The horn system includes the following components:
- Clockspring
- Horns
- Horn relay
- Horn switch
- Remote Keyless Entry (RKE) receiver (only with the RKE system)
Refer to Clockspring in the Description and Operation section of Group 8M - Passive Restraint Systems for more information on this component. Refer to Remote Keyless Entry System in the Description and Operation section of Group 8P - Power Lock Systems for more information on this component.
Refer to Horn/Cigar Lighter in the Contents of Group 8W - Wiring Diagrams for complete circuit diagrams. Following are general descriptions of the remaining major components in the horn system.
OPERATION
The horn system is activated by a horn switch concealed beneath the driver side airbag module trim cover in the center of the steering wheel. Depressing the center of the driver side airbag module trim cover closes the horn switch. Closing the horn switch activates the horn relay. The activated horn relay then switches the battery current needed to energize the horns.
Refer to the owner's manual in the vehicle glove box for more information on the features, use and operation of the horn system.
REMOTE KEYLESS ENTRY RECEIVER
The Remote Keyless Entry (RKE) receiver can also operate the horn system. An RKE receiver is used on this vehicle when it is equipped with the optional RKE system. The RKE receiver controls and integrates the additional electronic functions and features included on models with this option. A customer programmable feature of the RKE system enables the RKE receiver to momentarily energize the horn relay through a hard wired circuit as an audible verification that the receiver has received a valid lock request from the RKE transmitter.
Refer to Remote Keyless Entry System in the Description and Operation section of Group 8P - Power Lock Systems for more information on this feature.
Horn system
Horn
Horn relay
Horn switch
Jeep Cherokee Service Manual
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