Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Section 1255 (Lighting Systems)
WARNING: This page is about a different car, the 2002 Pontiac Aztek and 2002 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Lighting Systems
- Diagnostic System Check - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1354: Open In Controlled Ground Circuit
- DTC B1397: Short To Ground Or Open In Dimming Reference Voltage Circuit
- DTC B1398: Short To Battery Positive Voltage In Dimming Reference Voltage Circuit
- DTC B1482: Instrument Panel Lamps Supply Circuit Or Courtesy Lamp Supply Circuit Voltage Low
- DTC B2532: Fog Lamp Relay Control Circuit Short To Ground Or Open
- DTC B2533: Fog Lamps Relay Control Circuit Short To Battery Positive Voltage
- DTC B2552 Or B2553: False Code
- DTC B2577: Short To Ground Or Open In Control Circuit Of Headlamp Relay Coil Or Low Beam Headlamp Relay
- DTC B2578: Short To Voltage In Headlamp Relay Control Circuit Or Low Beam Headlamp Relay Control Circuit
- DTC B2587: Park Lamp Relay Coil Control Circuit Short To Ground Or An Open
- DTC B2588: Control Circuit Of Park Lamp Relay Short To Battery Positive Voltage
- DTC B2602: DRL Relay Coil Control Circuit Short To Ground Or An Open
- DTC B2603: DRL Relay Coil Control Circuit Short To Battery Positive Voltage
- DTC B2613: Short To Voltage In Reference Circuit Or open In Dimming Circuit Low Reference
- DTC B2617: Courtesy Lamps Supply Voltage Circuit Short To Ground
- DTC B2618: Courtesy Lamps Supply Voltage Circuit Of The Interior Lamps Short To Voltage
- DTC B2627: Instrument Panel Lamps Supply Voltage Circuit Or Courtesy Lamp Supply Voltage Circuit Low
- DTC B2628: Instrument Panel Lamps Supply Voltage Circuit Short To Voltage
- DTC B2645: Short To Battery Positive Voltage In Ambient Light Sensor Reference Voltage Circuit
- DTC B2647: DRL Signal Short To Ground/Voltage Or Low Reference Circuit Short To Ground
- DTC B2648: Short To Voltage Or An Open Drl Ambient Light Sensor Low Reference Circuit, Or Open In Ambient Light Sensor Signal Circuit
- DTC B2665: Headlamps Signal Circuit Short To Ground
- DTC B2742: Fog Lamp Switch Signal Circuit Short To Ground
- DTC B3840: Open Or A Short To Ground In Park Lamp Supply Voltage Circuit
- DTC B3841: Short To Voltage In Park Lamp Supply Voltage Circuit
- DTC B3857: Short To Voltage, Short To Ground Or An Open In High Beam Headlamp Signal Circuit
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Fog Lamps Always On
- Fog Lamps Inoperative
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Always On - Low or High Beam
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low and High Beams
- High Beam Indicator Inoperative
- Illuminated Entry Lamps Inoperative
- Interior Backlighting Inoperative
- Interior Lamps Off Switch Inoperative
- Park Lamps Always On
- Park Lamps Inoperative
- Park Lamp Out Indicator Inoperative
- Park Lamps Inoperative - Output at Trailer/Upfitter Connector
- Reading Lamp(s) Inoperative
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Inoperative
- Turn Signal Lamps Inoperative - Output at Trailer/Upfitter Connector
- Repair Instructions
- Headlamp Switch Replacement
- Fog Lamp Switch Replacement - Front
- Daytime Running Lamps (DRL) Ambient Light Sensor Replacement
- Hazard and Turn Signal Flasher Replacement
- Console Lamp Replacement
- Courtesy Lamp Replacement - Instrument Panel - Left
- Courtesy Lamp Replacement - Instrument Panel - Right
- Vanity Mirror Lamp Bulb Replacement
- Headlamp Assembly or Headlamp Bulb Replacement (Aztek)
- Headlamp Assembly or Headlamp Bulb Replacement (Rendezvous)
- Headlamp Aiming (Aztek)
- Headlamp Aiming (Rendezvous)
- Fog Lamp Replacement - Front (Aztek)
- Fog Lamp Replacement - Front (Rendezvous)
- Fog Lamp Aiming Procedure
- Park/Turn Signal Lamp Replacement (Aztek)
- Park/Turn Signal Lamp Replacement (Rendezvous)
- High Mounted Stop Lamp Replacement (Aztek)
- High Mounted Stop Lamp Replacement (Rendezvous)
- Cargo Lamp Replacement
- Backup Lamp Replacement
- License Lamp Replacement (Aztek)
- License Lamp Replacement (Rendezvous)
- Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement (Aztek)
- Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement (Rendezvous)
- Roof Side Rail Lamp Replacement
- Description and Operation
- Exterior Lighting Systems Description and Operation
- Interior Lighting Systems Description and Operation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.