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.
Overview - Navigation System, RNS 315: Notes
Familiarity with the function and operation is needed if there are customer concerns. Refer to the Owner's Manual.
For proper function of the RNS, rotation angle sensor in unit must be set corresponding to installation position of unit in the vehicle. Therefore, always pay close attention to the part number when replacing the unit. An incorrect installation causes malfunctions in the navigation system.
By the use of magnetically adhered antennae on vehicle roof, there is the hazard that the compass module will malfunction due to magnetic influence and remaining magnetization of the vehicle roof. For complaints of inaccurate or faulty direction displays on the compass module, ask the customer whether a magnetically adhered antenna is being used before starting repair work.
The RNS 315 radio/navigation system has the following:
- Display: 5 inch color display
- Integrated CD player
- SD Memory Card Reader
- UHV Low/Premium (stereo input)
- Navigation function using a 3D card and language
- CD/SD Navigation (Navigation without a CD inserted)
- Integrated optional DAB tuner
- 4 speaker channels, each with 20 W
- Connection for Multimedia System Control Module -J650-
- External Audio Source Connection -R199- on the front of the unit
- Connection for the external CD Changer -R41- (not installed in the Beetle)
- Connection for external sound amplifier (Amplifier -R12-)
- OPS (optical parking system) on the radio display
- A/C information shown in the radio display
- Optional support for the multifunction steering wheel
- Convenience coding
- An optional universal cellular telephone preparation (UHV) with an integrated Bluetooth antenna
It is not possible to play the following formats:
- CD with 8 cm diameter
- "Mix CDs" (CDs containing files and audio files)
The RNS 315 is equipped with OBD.
For troubleshooting, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.
Repairing Antenna Wires
Antenna wires, repairing. Refer to [For transmission(s) 0A4, 02E, 09G, 02Q] [For engine(s) CVCA, CPRA, CBTA, CPKA, CPLA, CJAA, CBUA, CPPA, CCTA, CBFA] Removal and Installation .
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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.