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.
Digital Sound System Control Module, Control Module For Emergency Call Module And Communication Unit, Left Rear Treble Speaker, Left Rear Bass Speaker
J525
Digital Sound System Control Module
J949
Control Module for Emergency Call Module and Communication Unit
R14
Left Rear Treble Speaker
R15
Left Rear Bass Speaker
S
Fuses (On Fuse Panel)
SR2
Relay and Fuse Panel 2
S163
Fuse 2 (Terminal 30) on Battery Fuse Panel
S358
Digital Sound System Fuse
T2hm
2-Pin Connector, Black
T2hu
2-Pin Connector, Black
T19a
19-Pin Connector, Black
T19ax
19-Pin Connector, Black
T20aj
20-Pin Connector, Naturally Cloudy
T38a
38-Pin Connector, Black
TTHL
Left Rear Door Coupling Point
50
Ground Connection in Luggage Compartment, Left
B302
Positive Connection 6 (30) (in Main Wiring Harness)
B305
Positive Connection 9 (30) (in Main Wiring Harness)
*
Refer to Applicable Wiring Diagram for Fuse Positions
*2
Audio Bus Data Bus Wire
*3
Refer to Applicable Wiring Diagram for Data Bus Networking
*4
Avant
*5
Sedan
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.