Buick Regal: Schematic Wiring Diagrams
HEADLIGHTS/DAYTIME RUNNING LIGHTS (DRL) WIRING SCHEMATICS
Controls and Indicators
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Halogen Lamps and Daytime Running Lamps (T4A)
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Left LED Headlamp Power, Ground and Serial Data (T4L)
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Left LED Low Beam Lamps, Cornering Lamp and Cooling Fan (T4L)
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Left LED High Beam Lamps, and High Beam Spot (T4L)
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Right LED Headlamp Power, Ground and Serial Data (T4L)
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Right LED Low Beam Lamps, Cornering Lamp and Cooling Fan (T4L)
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Right LED High Beam Lamps, and High Beam Spot (T4L)
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Daytime Running Lamps (T4L)
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Automatic Leveling and Adaptive Forward Lighting - Power, Ground, Serial Data and Sensors (T4L)
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Automatic Leveling and Adaptive Forward Lighting - Aiming, Leveling and Beam Control (T4L)
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Manual Leveling (TR6)
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FOG LIGHTS WIRING SCHEMATICS
Front Fog Lamps
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EXTERIOR LIGHTS WIRING SCHEMATICS
Controls and Indicators
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Park Lamps, Tail/Stop Lamps, Tail Lamps, and Side Marker - Left
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Park Lamps, Tail/Stop Lamps, Tail Lamps, and Side Marker - Right
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Turn Signal Lamps - Left Front
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Turn Signal Lamps - Right Front
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Stop/Turn Lamps, Center High Mounted Stop Lamp, and Liftgate Courtesy Lamps
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Backup and License Lamps
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INTERIOR LIGHTS WIRING SCHEMATICS
Controls and Rear Compartment Lamp
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Overhead and Instrument Panel Compartment Lamps
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Accent and Flood Lamps - Doors (C93)
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Accent and Flood Lamps - Instrument Panel and Floor (C93)
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INTERIOR LIGHTS DIMMING WIRING SCHEMATICS
Controls, Instrument Panel and Floor Console Lamps
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Doors and Overhead Lamps
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Indicator Lamps (1 of 2)
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Indicator Lamps (2 of 2)
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SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS
EL-38522
J-38522
Variable Signal Generator
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SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
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Mirrors
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC WIRING DIAGRAMS
INSIDE REAR
DTC B154A or B154B
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.
Diag
SEE MORE:
Electric Parking Brake
The Electric Parking Brake (EPB)
can always be activated, even if the
ignition is off. To prevent draining
the battery, avoid repeated cycles of
the EPB when the engine is not
running.
The system has a red parking brake
status light and an amber parking
brake warning light. There are also
parking
Active Noise Cancellation
SCHEMATIC AND WIRING DIAGRAMS
ACTIVE NOISE CANCELLATION WIRING SCHEMATICS
Active Noise Cancellation (UQ3)
Active Noise Cancellation (UQA)
Diagnostic Information and Procedures
DTC B0560
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagn
