Buick Regal: Schematic Wiring Diagrams
RADIO/NAVIGATION SYSTEM WIRING SCHEMATICS (IOB)
Power, Ground, Serial Data and Subsystem References
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Infotainment Display and Radio Controls
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Antennas
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Speakers
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Auxiliary Inputs (MCY)
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RADIO/NAVIGATION SYSTEM WIRING SCHEMATICS (IOR)
Power, Ground, Serial Data and Subsystem References
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Infotainment Display and Radio Controls
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Antennas
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Speakers
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Auxiliary Inputs
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RADIO/NAVIGATION SYSTEM WIRING SCHEMATICS (IO5/IO6)
Radio Power, Ground and Serial Data
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Info Display Module
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Human Machine Interface and Display, Power, Ground and Serial Data
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Audio Amplifier Power, Ground and Serial Data (UQA)
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Antennas (HATCHBACK)
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Antennas (WAGON)
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Radio Speaker Outputs (NKC+UQ3)
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Speakers (NKC+UQ3)
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Speakers (U65)
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Speakers (UQA)
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Auxiliary Inputs (MCY)
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RADIO/NAVIGATION SYSTEM WIRING SCHEMATICS (IOS/IOT)
Radio, Power, Ground, Serial Data and Subsystem References
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Info Display Module
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Audio Amplifier Power, Ground and Serial Data
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Antennas (HATCHBACK)
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Antennas (WAGON)
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Radio Speaker Outputs (NKC)
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Speakers ((U65/UQ3)-NKC)
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Speakers ((U65/UQ3)+NKC)
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Speakers (UQA)
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Auxiliary Inputs
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ONSTAR/TELEMATICS WIRING SCHEMATICS
Power, Ground, Serial Data and Antennas (-I30)
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Power, Ground, Serial Data and Antennas (I30)
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Controls and Audio Signals
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READ NEXT:
Special Tools and Equipment
SPECIAL TOOLS
EL - 50334 - 20
Multi-Media
Interface Tester
(MIT)
EL - 50334 - 50
USB Cable and
Adapter Kit
EL-48028
Digital Radio Test
Antenna
EL-49903 - 1
Test Antenna, Navn-
Cell Comn
EL-49903 -
Cruise Control System
SPECIFICATIONS
FASTENER SPECIFICATIONS
SCHEMATIC WIRING DIAGRAMS
CRUISE CONTROL WIRING SCHEMATICS
Cruise Control
SEE MORE:
Rear Window Wiper/
Washer
If equipped, the ignition must be on
or in ACC/ACCESSORY to operate
the rear window wiper/washer.
Turn the end of the windshield wiper
lever to operate the rear window
wiper/washer.
OFF : Turns the system off.
INT : Intermittent wipes.
ON : Slow wipes.
: Push the windshield wiper
lever forward
DTC P0102 or P0103
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
