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 Parking Assistance Camera (PAC) (4/120) 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 High Level Display Front (HLDF) (16/46).
In order for the Parking Assistance Camera (PAC) to work, it needs the following signals:
- Information is received about the steering wheel angle from the Steering wheel angle sensor module (SAS) (3/130) via the Central electronic module (CEM) (4/56).
- Information is received about settings for the Parking Assistance Camera (PAC) from the Infotainment control module (ICM) (3/281).
- Information is received about switches for activating the Parking Assistance Camera (PAC) from the Climate control module (CCM) (4/6).
- Information is received about the distance to the rear object from the Parking Assistance Module (PAM) (4/86).
- Information about whether a trailer is attached or not is received from the Trailer module (TRM) (4/110).
- Information is received about which gear is engaged is received from the Transmission control module (TCM) (4/28) via the Central electronic module (CEM).
- Information about the vehicle's speed is received from the Brake control module (BCM) (4/16) via the Central electronic module (CEM).
The Parking Assistance Camera (PAC) transmits information about the following signals:
- Signals about the request of displaying the parking view as well as signals about raising the monitor are transmitted to the Infotainment control module (ICM).
Other signals that are required for the Parking Assistance Camera (PAC) to work are:
- Information about what is to be displayed in the monitor from the Infotainment control module (ICM) to the High Level Display Front (HLDF).
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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.
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