The role of the Gateway (also known as the Data bus diagnostic interface J533) is the exchange of data between the CAN data bus systems (‘powertrain CAN data bus’, ‘convenience CAN data bus’ and ‘infotainment CAN data bus’) and the conversion of diagnostic data from CAN data bus systems to K-cable and vice versa so […]
The Central Electronics Control Module (CECM) is situated above the pedals on the drivers side and controls all the lights in the car, monitors them, controls what appears in the MFD under the lights menu, controls the leaving home and coming home lights function, controls the horn(s) and other features. There are different variants of […]
Whilst this guide is intended for the Volkswagen Skoda Bluetooth kit harness it applies to anything that requires interfacing to the quad lock connector on the rear of the head unit or that uses similar connectors around the car. This guide specifically for 2 x power connections and 2 x data connections.
The way this […]
VAG 1K0907530S CAN bus gateway
Early build Volkswagen cars can experience a power drain issue after upgrading their 2nd generation headunit from a RCD 300 or RCD 500 to a 3rd generation headunit like the RCD 210, RCD 310, RNS 310 and RCD 510.
The problem is the CAN bus Gateway is too old […]
An unshielded two-wire line (1) and (2) with a cross section of 0.35 mm² or 0.5 mm² is used for CAN bus wiring.
The colour codes of the CAN bus wiring are:
Powertrain CAN high wire Orange/black Convenience CAN high wire Orange/green Infotainment CAN high Orange/violet CAN low wire, (all) Orange/brown
Repairs to CAN bus […]