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.
2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Auto Headlight Beam Leveler System: Procedure: Notes
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- If the indicator does not flash three times or the headlight beam does not operate, it can be assumed that there is an open circuit or faulty wiring in the harness of the auto headlight beam leveler control module, or headlight assembly. Perform inspection and repair according to the inspection results, then perform initialization/reinitialization again.
- Initialization: Ref. to LIGHTING SYSTEM>AUTO HEADLIGHT BEAM LEVELER SYSTEM>PROCEDURE>INITIALIZATION
- Reinitialization: Ref. to LIGHTING SYSTEM>AUTO HEADLIGHT BEAM LEVELER SYSTEM>PROCEDURE>REINITIALIZATION
- If any of the following conditions is met, the headlight beam may deviate. If the headlight beam deviates, perform fuse resetting. Ref. to LIGHTING SYSTEM>AUTO HEADLIGHT BEAM LEVELER SYSTEM>PROCEDURE>FUSE RESET
- Difference has occurred to the angle of road surface between when the ignition switch is turned to OFF and when the ignition switch is turned to ON.
- Difference has occurred to the angle of road surface between when the ignition switch is turned to OFF and when the vehicle speed is 0 km/h (0 MPH).
When parts related to the auto headlight beam leveler system are removed or replaced, perform the following procedures to initialize or reinitialize.
NOTE:
Before performing initialization or reinitialization, check the following:
- The vehicle is parked on a level surface.
- The inflation pressure of tires is correct.
- The vehicle does not have load.
- Vehicle's fuel tank is fully filled.
- Refer to the following chart to determine whether to initialize or reinitialize.
Initialization When the auto headlight beam leveler control module was replaced with a new module Reinitialization When the auto headlight beam leveler control module was replaced with a part from another vehicle
Factory Service Tools
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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.