Diagnostic Aids
The remote control door lock receiver only functions as anantenna, receiving the signals sent by the keyless entrytransmitter and forwarding them to the body control module (BCM).The keyless entry software is contained wholly within theBCM.
Replace and Program ECU or Reprogram ECUThis ECU does not require SPS programming or any setupprocedures.
Horns System Description and Operation Horn
System DescriptionThe horn system consists of the following components:HORN fuseUnderhood fuse block (contains PCB horn relay)Horn switchHorn-low noteHorn-high noteBody control module (BCM)K84Keyless Entry Control ModuleS33Horn SwitchK73Telematics Communication Interface Control ModuleK9Body Control ...