OBD-II / J1962 Connector Pin-out
Main

Applies to
neoVI Blue

The OBD-II / J1962 connector is present on every North American vehicle since 1996. The connector, defined in the J1962 specification, allows you to connect to the vehicle's network system. This connector is usually found under the dash board (figure 1). To connect neoVI to this port, please refer the the OBD to neoVI pin-out listed below.


Figure 1 - The J1962 Connector is usually located under the dash board. Here we show the connector on a 1999 GM Saturn SL.

OBD to neoVI Pin-out

The relationship between the OBD-II connector (figure 1) and the neoVI is listed below in table 1. Please refer to the neoVI Vehicle Connector for additional information.


Figure 2 - The OBD-II / J1962 Connector Vehicle End View

Table 1 - OBD-II Pins and their corresponding neoVI signal

J1962 Pin J1962 Pin Description neoVI Connection neoVI Pin
1 Discretionary* (GMLAN SW CAN Line) SW CAN 1
2 + line of SAE J1850 J1850 VPW or J1850 PWM H 2 or 6
3 Discretionary* (GMLAN MS CAN H) MS CAN H 16
4 Chassis Ground Do not use for neoVI.  
5 Signal Ground PWR GND 13
6 Discretionary* (GMLAN HS CAN H) HS CAN H 14
7 K Line of ISO 9141-2 ISO K 8
8 Discretionary*    
9 Discretionary* (GM ALDL)    
10 - line of SAE J1850 J1850 PWM L 5
11 Discretionary* (GMLAN MS CAN L) MS CAN L 17
12 Discretionary*    
13 Discretionary*    
14 Discretionary* (GMLAN HS CAN L) HS CAN L 15
15 L line of ISO 9141-2 ISO L 7
16 Un-switched Vehicle Battery Positive VBATT 25

* Discretionary means that the J1979 specification leaves this pin for use by the manufacturer.

 neoVI   Documentation - (C) Copyright 2000-2020 Intrepid Control Systems, Inc.

Last Update: Wednesday, July 15, 2009