DB9 Serial RS232 OBD2 Cable
110 cm OBD-II to DB9 RS-232 cable for connecting a PC or microcontroller to a vehicle's diagnostic port. Enables ECU data access for vehicle diagnostics and CAN bus work.
Pinout
- DB9OBD-II connector contactsType · Signal
- OBD-II chassissignal groundType · Ground
- OBD-II battery supplyType · Power
| Pin | Type |
|---|---|
| DB9OBD-II connector contacts | Signal |
| OBD-II chassissignal ground | Ground |
| OBD-II battery supply | Power |
Pin details
3 connections- DB9OBD-II connector contactsSignal
- OBD-II chassissignal groundGround
- OBD-II battery supplyPower
Start wiring
Ethernet · UART · SPI · Shield
Verify supply voltage and logic levels before powering up.
Module pins: OBD-II battery supply, OBD-II chassis/signal ground, DB9/OBD-II connector contacts. Schematik maps them to your board in the app.
Wired comms
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