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.
LSZ Control Module
The LSZ control module contains the electronics for the control and monitoring of the exterior lighting. The LSZ module is mounted behind the headlight switch to the left side of the steering wheel.
There is a single connector on the module for all inputs and outputs.
From 2002, there some changes to the LSZ module. These include a modified PWM signal for lighting control (freq 80 hz), there a additional outputs circuits added for rear brake lights and bi-xenon systems and a new headlight switch to accommodate RLS.
Use the Manual With the Right Hardware
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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.
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