OBD2 pinout
#1
Retired Senior Admin
Expert Gearhead
Thread Starter
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Likes: 0
Received 28 Likes
on
24 Posts
OBD2 pinout
1 Discretionary* (GMLAN SW CAN Line)
2 Serial data (class 2)
3 Discretionary* (GMLAN MS CAN H)
4 Chassis Ground
5 Signal Ground
6 Output/field service enable (if used)
7 K Line of ISO 9141-2
8 Keyless entry program input
9 Serial data (UART)
10 - line of SAE J1850
11 Discretionary* (GMLAN MS CAN L)
12 Discretionary*
13 Discretionary*
14 Discretionary* (GMLAN HS CAN L)
15 L line of ISO 9141-2
16 Un-switched Vehicle Battery Positive
* Discretionary means that the J1979 specification leaves this pin for use by the manufacturer.
Last edited by GXP Venom; 03-11-2009 at 12:40 PM.
Thread
Thread Starter
Forum
Replies
Last Post
slick94prix
Everything Electrical & Electronic
13
03-14-2007 01:36 PM
fly_ssei
Everything Electrical & Electronic
5
03-19-2006 09:19 PM
stevezasycho
Everything Electrical & Electronic
44
04-16-2005 12:55 AM
StoopidSavant
Audio (and aftermarket electronics)
5
01-19-2004 02:19 AM