Section 18 (Lighting Systems)
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Lighting Systems Component Views
- Lighting Systems Connectors
- Ambient Light Sensor (C67)
- Backup Lamp - Left
- Backup Lamp - Right
- Brake Pedal Position Sensor
- Center High Mounted Stop Lamp (CHMSL)
- Dome/Reading Lamp - Left
- Dome/Reading Lamp - Right
- Fog Lamp - Left (T96)
- Fog Lamp - Right (T96)
- Headlamp - High Beam - Left
- Headlamp - High Beam - Right
- Headlamp - Low Beam - Left
- Headlamp - Low Beam - Right
- I/P Compartment Lamp Switch
- I/P Courtesy Lamp - Left
- I/P Courtesy Lamp - Right
- Lamp Assembly Switch
- License Lamp - Left
- License Lamp - Right
- Marker Lamp - LF
- Marker Lamp - LR
- Marker Lamp - RF
- Marker Lamp - RR
- Park/Turn Signal Lamp - LF
- Park/Turn Signal Lamp - RF
- PRNDL Lamp
- Rear Compartment Courtesy Lamp
- Sunload Sensor Assembly (CJ2)
- Tail Lamp - Left - Lower
- Tail Lamp - Left - Upper
- Tail Lamp - Right - Lower
- Tail Lamp - Right - Upper
- Tail/Stop and Turn Signal Lamp - Left
- Tail/Stop and Turn Signal Lamp - Right
- Turn Signal/Multifunction Switch C1
- Turn Signal/Multifunction Switch C2
- Turn Signal/Multifunction Switch C3
- Vanity Mirror Lamp - Left (DH6)
- Vanity Mirror Lamp - Right (DH6)
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B2525
- DTC B2545
- DTC B2580
- DTC B2610
- DTC B2645
- DTC B3445
- DTC B3838
- DTC B3948
- DTC B3949
- DTC B3950
- DTC B3951
- DTC C0277
- DTC C0278
- DTC C0283
- DTC C0870
- DTC P0572
- DTC P0573
- DTC P0504
- Symptoms - Lighting Systems
- Backup Lamps Malfunction
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps (DRL) Inoperative
- Fog Lamp Indicator Always On
- Fog Lamp Indicator Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Always On - Low or High Beam
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - Flash to Pass
- High Beam Indicator Always On
- High Beam Indicator Inoperative (Standard)
- Illuminated Entry Lamps Inoperative
- Interior Backlighting Does Not Dim
- Interior Backlighting Inoperative
- Instrument Panel Compartment Lamp Inoperative
- Instrument Panel Compartment Lamp Always On
- Park, License, and Tail Lamps Always On
- Park, License, and Tail Lamps Inoperative
- Reading Lamp(s) Always On
- Reading Lamp(s) Inoperative
- Rear Compartment Lamp(s) Always On
- Rear Compartment Lamp(s) Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative
- Vanity Mirror Lamp(s) Always On
- Vanity Mirror Lamp(s) Inoperative
- Repair Instructions
- Brake Pedal Position Sensor Calibration
- Brake Pedal Position Sensor Replacement
- Headlamp Switch Replacement
- Daytime Running Lamps (DRL) Ambient Light Sensor Replacement
- Door Courtesy Lamp and Reflector Replacement
- Instrument Panel Courtesy Lamp Bulb Replacement
- Overhead Console Courtesy Lamp Replacement (with Sunroof)
- Overhead Console Courtesy Lamp Replacement (without Sunroof)
- Instrument Panel Compartment Lamp Switch Replacement
- Instrument Panel Compartment Lamp Bulb Replacement
- Roof Rail Rear Courtesy Lamp Replacement
- Rearview Mirror Lamp Replacement
- Vanity Mirror Lamp Replacement
- Transmission Floor Shift Control Indicator Lamp Replacement
- Headlamp Assembly or Headlamp Bulb Replacement
- Headlamp Bulb Replacement
- Headlamp Aiming
- Front Fog Lamp Replacement
- Front Fog Lamp Bulb Replacement
- Fog Lamp Aiming
- Front Side Marker Lamp Bulb Replacement
- Rear Side Marker Lamp Bulb Replacement
- Park/Turn Signal Lamp Replacement
- Park/Turn Signal Lamp Bulb Replacement
- High Mounted Stop Lamp Replacement
- Backup Lamp Bulb Replacement
- Rear License Lamp Replacement
- License Lamp Bulb Replacement
- Tail Lamp Replacement
- Tail Lamp Bulb Replacement
- Rear Turn Signal Lamp Bulb Replacement
- Roof Side Rail Lamp Replacement
- Rear Compartment Lamp Replacement
- Description and Operation