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.
2012 Toyota 4Runner TrailFACTORY OEM SERVICE PROCEDURE
Power Window Control System
POWER WINDOW CONTROL SYSTEM DTC IDENTIFICATION
| DTC Code | Description |
|---|---|
| B2311 | Power Window Motor Malfunction |
| B2312 | Power Window Switch Malfunction |
| B2313 | Glass Position Initialization Incomplete |
| B2311 | Back Door Power Window ECU Inner Motor Failure |
| B2312 | Back Door Power Window Switch ON Stuck |
| B2313 | Back Door Power Window Position/Seal Characteristics Data is not Memorized |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.