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.
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HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) L4-1.8L TURBO (AWM)REPAIR AND DIAGNOSISLIGHTING AND HORNSHEADLAMPSERVICE AND REPAIRCONTROL MODULE FOR HIGH INTENSITY GAS DISCHARGE (HID) LAMP
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)
Control Module For High Intensity Gas Discharge (HID) Lamp
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION Control Module For High Intensity Gas Discharge (HID) Lamp
Control Module For High Intensity Gas Discharge (HID) Lamp, Removing And Installing
Removing
WARNING!
- HIGH VOLTAGE!
- Always disconnect battery Ground (GND) strap prior to servicing any parts of the HID lamp system marked with the yellow "HIGH VOLTAGE!" symbol.
- After disconnecting battery, briefly turn headlights on and off in order discharge any residual voltage.
- Remove headlight assembly.
- Disconnect electrical connector -5-.
- Remove mounting screw -4-.
- Unclip retainer -7- and pull out control module -6-.
- Remove three screws -arrow- and remove large cover cap -1-.
- Turn connector coupling -1- counterclockwise 90° and pull off.
- Pull electrical harness from control module to HID lamp out from headlight housing.
Installing
Installation is in reverse order of removal.
- Check function of headlight (HID lamp).
- Check headlight aim.
Aiming must be done in conjunction with the On Board Diagnostic (OBD) program "Basic Setting" (Scan Tool function 04).
RENDER: 1.0x
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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.