Ford Explorer: Steering Wheel and Column Electrical Components / Description and Operation - 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 (vehicles without police package). Refer
to the appropriate section in Group 417 for the procedure.
-
to control the windshield wipers, rear window wiper and washers (vehicles with police package).
Refer to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).
The left multifunction switch can be serviced separately from the SCCM.
-
Right multifunction switch (vehicles without the police package) - mounted on the right side of the SCCM
and is used to control the front windshield wipers/washers, and the
rear window wiper/washer. The right multifunction switch can be serviced
separately from the SCCM.
-
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: Instrument Panel Cluster (IPC) - Overview (413-01 Instrumentation, Message Center and Warning Chimes, Description and Operation).
-
For the cruise control system (left lower switch),
Refer to the appropriate section in Group 419 for the procedure.
-
For the audio system (right upper switch), Refer to the appropriate section in Group 415 for the procedure.
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For the SYNC® system (right lower switch), Refer to the appropriate section in Group 415 for the procedure.
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Steering column control switch - mounted on the left side of the SCCM and is used to control the up/down tilt and fore/aft telescopic movement of the power adjustable steering column.
Refer to: Steering Column - System Operation and Component Description (211-04 Steering Column, Description and Operation).
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The steering column and steering wheel switches interface with other modules and components on the vehicle through the SCCM, which communicates on the CAN.
Conventional Ignition Switch Overview
The
conventional ignition switch is controlled by the ignition lock
cylinder and key. The ignition lock cylinder and ignition switch are
connected mechanically. Turning the ignition lock cylinder places the
ignition switch into the desired position. The available ignition switch
positions are:
When placed in ACC or ON, the ignition switch provides voltage inputs to the BCM.
When placed in START, the ignition switch provides voltage inputs to the BCM and PCM.
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 located to the right of the steering wheel in
the instrument panel.
Heated Steering Wheel Overview
The heated steering wheel system consists of the following components:
-
Steering wheel heater elements (part of steering wheel)
-
Steering wheel temperature sensor (part of steering wheel)
-
SCCM
-
FCIM
System Operation
System Diagram - Conventional Ignition Switch
Item
Description
1
Ignition switch
2
START
3
ACC
4
ON
5
HS-CAN1
6
Gear selec..
Other information:
WARNING: Do not wait for 911 Assist to make an emergency call if you can
do it yourself. Dial emergency services immediately to avoid delayed response time
which could increase the risk of serious injury or death after a crash. If you do
not hear 911 Assist within five seconds of the crash, the system or phone may be
damaged or non-functional...
Push the lever up or down to operate
the windshield wipers.
A - Single wipe.
B - Intermittent wipe.
C - Normal wipe.
D - High-speed wipe.
Note: Fully defrost the windshield before you switch the windshield wipers
on.
Note: Make sure that you switch the windshield wipers off before entering
a car wash...