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comma two support, OBD-II to OBD-C harness

master
qadmus 2020-06-01 22:47:13 -07:00
parent 4ec6d57102
commit 582945372f
1 changed files with 24 additions and 1 deletions
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25
GM.md

@ -116,4 +116,27 @@ Examples of switched +12V locations:
* Use short mini-usb left-angle USB cable from USB extension -> EON.
4) [Enjoy your first drive!](https://community.comma.ai/wiki/index.php/First_OpenPilot_Drive)
**For more detailed instructions see [Zoneos](https://zoneos.com/volt/)**
**For more detailed instructions see [Zoneos](https://zoneos.com/volt/)**
# comma two support
* Like the EON, bypass the ASCM, and power the radar.
* Disable intercept relays
* `panda/board/main.c:`
* Add `case SAFETY_GM:` fall-through after `case SAFETY_ELM327:`
* (TODO: git patch or commit ref this step)
* OBD-II to OBD-C Harness
* Buy the [`OBD-II Harness` from the comma shop!](https://comma.ai/shop/products/comma-car-harness)! Supports GMLAN.
* Or, [OBD-C female (at comma two) schematic](https://github.com/commaai/neo/blob/master/car_harness/OBD-C.sch.pdf)
| | OBD-II | | OBD-C |
|---|---|---|---|
| 4 | GND | GND | |
| 6 | CAN1H | A2 | CAN0H |
| 14 | CAN1L | A3 | CAN0L |
| 3 | CAN2H | A11 | CAN1H |
| 11 | CAN2L | A10 | CAN1L |
| 12 | CAN3H | B2 | CAN2H
| 13 | CAN3L | B3 | CAN2L
| 16 | 12V | VBUS | |
| | | B8 | SBU2 1KΩ to GND |