Product Details
DSUB-25 pin to OBD II Connector. This cable is suitable for connecting most neoVIs to OBD II connector.
neoNub OBDII / to neoVI Pin-out
The relationship between the OBD-II connector (figure 1) and the neoNub is listed below in table 1.

Figure 2 - The OBD-II / J1962 Connector Vehicle End View
Table 1 - OBD-II To Db-25 Adapter
|
J1962 Pin
|
J1962 Pin Description
|
neoVI Connection
|
neoVI DB25 Pin
|
|
1
|
Discretionary* (GMLAN SW CAN Line)
|
SW CAN
|
1
|
|
2
|
+ line of SAE J1850
|
J1850 VPW
|
2
|
|
3
|
Discretionary* (GMLAN MS CAN H)
|
MS CAN H
|
5
|
|
4
|
Chassis Ground
|
NC
|
NC
|
|
5
|
Signal Ground
|
PWR GND
|
13
|
|
6
|
Discretionary* (GMLAN HS CAN H)
|
HS CAN 1 H
|
14
|
|
7
|
ISO9141/K
|
ISO9141/K/LIN1
|
8
|
|
8
|
Discretionary*
|
NC
|
NC
|
|
9
|
Discretionary* (GM ALDL)
|
HS CAN 3 H
|
19
|
|
10
|
(-) line of SAE J1850
|
HS CAN 3 L
|
20
|
|
11
|
Discretionary* (GMLAN MS CAN L)
|
MS CAN L
|
6
|
|
12
|
Discretionary*
|
HS CAN 2 H
|
16
|
|
13
|
Discretionary*
|
HS CAN 2 L
|
17
|
|
14
|
Discretionary* (GMLAN HS CAN L)
|
HS CAN 1 L
|
15
|
|
15
|
L line of ISO 9141-2
|
ISO L
|
7
|
|
16
|
Un-switched Vehicle Battery Positive
|
VBATT
|
25
|
* Discretionary means that the J1962 specification leaves this pin for use by the manufacturer.