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.
Information Electronics Control Module 1, Android Operating System Control Module, USB Connection 1
J794
Information Electronics Control Module 1
J1243
Android Operating System Control Module
T4bn
4-Pin Connector, Red
T5ay
5-Pin Connector, Yellow
T8y
8-Pin Connector, Black
T9a
9-Pin Connector, Blue
T12m
12-Pin Connector, Gray
U41
USB Connection 1
294
Ground Connection 9 (in Interior Wiring Harness)
687
Ground Connection 1 on Center Tunnel
B605
Connection 1 (in Interior Wiring Harness)
*
For Vehicles with China Equipment
*2
For Vehicles Without China Equipment
*3
For Vehicles with Cell Phone Preparation
*4
Depending on Equipment
*5
For Vehicles Without Telephone/Cell Phone Prep
*6
Refer to Applicable MMI (Information Electronics) Wiring Diagram
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.