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Connecting the AVDI to Suzukis with the 6-pin diagnostic connector: DB9 and DB25 pinout

Unlike cars, bikes, snowmobiles and water scooters have no unified diagnostic connector. This guide explains how to find and connect the 6-pin connector used by most Suzuki machines and how to get the signal to the AVDI through DB9 and DB25.

Procedure

1. Find the diagnostic connector: on most machines it is under the seat. On Suzukis (bikes, quads, snowmobiles, water scooters) it is typically the white 6-pin connector under the seat.
2. Remove the waterproof rubber cap protecting the connector to expose the contacts.
3. Check which connector type the specific model needs and prepare the right cable (for 6-pin Suzukis, the Abrites CB304 cable).
4. Wire the vehicle's 6-pin connector to a DB9 connector following the pinout: PIN 1 Ground, PIN 5 Ground, PIN 4 K-line, PIN 8 K-line, PIN 9 12V supply.
5. Take the signal from the DB9 to the AVDI's DB25 connector; on the DB25 side, pin 17 is the 12 Volt supply.
6. Plug the DB25 into the AVDI and the AVDI into the PC, then open the software and select the vehicle to check communication.

Reference screenshots