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.
Menu System
The signal with information about which gear is engaged is transmitted via the CAN network from the Central electronic module (CEM) (4/56) to the Parking Assistance Camera (PAC) (4/120) and Infotainment control module (ICM) (16/94). The Infotainment control module (ICM) transmits, in turn, the signal onwards via the MOST network to the Multimedia module (MMM) (16/108).
The Steering wheel angle sensor module (SAS) (3/254) transmits information about the steering wheel angle, via the CAN network, to the Central electronic module (CEM), which transmits the information on to the Parking Assistance Camera (PAC).
The Brake control module (BCM) (4/16) transmits signals about the speed via the CAN network to the Central electronic module (CEM), which transmits the signal onwards to the Infotainment control module (ICM) and the Parking Assistance Camera (PAC). The Infotainment control module (ICM) transmits, in turn, the signal onwards via the MOST network to the Multimedia module (MMM).
The Parking Assistance Camera (PAC) controls the camera (27/6) via LIN communication. The camera transmits a LVDS video signal to the Parking Assistance Camera (PAC). The Parking Assistance Camera (PAC) converts this signal to an NTSC video signal, which is transmitted to the display screen, via a T connector on the Multimedia module (MMM).
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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.