Steering Wheel and Column Electrical Components - Overview
Steering Column Switches Overview
The steering column switches are located on and around the steering column. They enable the driver to control various vehicle functions while remaining focused on driving. The steering column switches consist of:
Left multifunction switch - mounted on the left side of the SCCM and is used to control the turn signals, low/high beam selection and the flash-to-pass feature. Refer to: Exterior Lighting - System Operation and Component Description (417-01 Exterior Lighting, Description and Operation). Right multifunction switch - mounted on the right side of the SCCM and is used to control the windshield wipers and washer. Refer to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation). Steering wheel switches - mounted on the front of the steering wheel and can be serviced separately from the steering wheel. These are used to access settings and controls displayed in the message center or for control of the cruise control system, the audio system and the SYNC® system.
For the message center (left upper switch), Refer to: Message Center - System Operation and Component Description (413-01 Instrumentation, Message Center and Warning Chimes, Description and Operation). For the cruise control system (left lower switch), Refer to: Cruise Control - System Operation and Component Description (419-03A Cruise Control, Description and Operation). Refer to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation). For the audio system (right upper switch), Refer to the appropriate section in Group 415 for the procedure. For the SYNC® system (right lower switch), Refer to the appropriate section in Group 415 for the procedure.
Paddle shifter switches - mounted on rear of the steering wheel and are used to control the the transmission up and down shifts. Refer to: External Controls - System Operation and Component Description (307-05 Automatic Transmission External Controls, Description and Operation).
The steering column and steering wheel switches interface with other modules and components on the vehicle through the SCCM, which communicates on the High Speed Controller Area Network 2 (HS2-CAN).
Push Button Start Ignition System Overview
The push button start ignition system is used to place the ignition in the ON or OFF mode and to start or shut off the vehicle powertrain. The push button ignition switch is integrated into the FCIM.
Steering Column Lock System Overview
The steering column lock deters vehicle theft by locking the steering column and preventing the steering wheel from being used to turn the front wheels.
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