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 6 s Touring PlusFACTORY OEM SERVICE PROCEDURE
Auto Light/Wiper Control Module DTCS
AUTO LIGHT/WIPER CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Detection condition | Reference |
|---|---|---|---|
| M-MDS display | |||
| B1014 | Rain sensor/auto light sensor error | Rain sensor/auto light sensor internal malfunction | (See DTC B1014 [AUTO LIGHT/WIPER CONTROL MODULE] .) |
| B1317 | Battery voltage high | Input voltage from the battery is excessively high | (See DTC B1317 [AUTO LIGHT/WIPER CONTROL MODULE] .) |
| B1318 | Battery voltage low | Input voltage from the battery is excessively low | (See DTC B1318 [AUTO LIGHT/WIPER CONTROL MODULE] .) |
| B1342 | Auto light/wiper control module is faulted | Auto light/wiper control module microcomputer malfunction | (See DTC B1342 [AUTO LIGHT/WIPER CONTROL MODULE] .) |
| U2030 | Rain sensor/auto light sensor communication fault | Communication error to rain sensor/auto light sensor | (See DTC U2030 [AUTO LIGHT/WIPER CONTROL MODULE] .) |
Factory Service Tools
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.