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.
2011 Mazda 3 L4-2.5LFACTORY OEM SERVICE PROCEDURE
Wiper Control Module: Testing and Inspection
AUTO LIGHT/WIPER CONTROL MODULE INSPECTION
1. Remove the following parts:
a. Passenger-side front scuff plate Front Scuff Plate Removal/Installation
b. Passenger-side front side trim Front Side Trim Removal/Installation
c. Dashboard under cover Dashboard Under Cover Removal/Installation
d. Grove compartment Service and Repair
e. Passenger-side lower panel Lower Panel Removal/Installation
2. Remove the auto light/wiper control module with the connector connected. Auto Light/Wiper Control Module Removal/Installation
3. Measure the voltage at the auto light/wiper control module terminals as indicated below.
Terminal Voltage List (Reference)
*1
Without auto light/wiper system
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.
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