neoVI FIRE and neoVI RED - Vehicle Side Connections
Main

Applies to
neoVI Red, and neoVI FIRE

You can connect neoVI to the Vehicle via the 25 pin D-Sub connector.  Most of the Vehicle networks and power for the neoVI device itself come from this connector.  A listing of the pins of this connector is provided in Table 1 below.  Additional connections are found on the 9 pin D-Sub connector.  A listing of the pins of this connector is provided in Table 2 below

Note that the neoVI connector pin-out is also diagrammed on the bottom of the neoVI device.

Table 2 - NeoVI FIRE and RED 25 pin Connector Pin Descriptions

Pin Name Description
1 SW CAN Single Wire CAN
2 J1850 VPW J1850 VPW (Class 2)
3 LSFT CAN H Low Speed Fault Tolerant CAN High
4 LSFT CAN L Low Speed Fault Tolerant CAN Low
5 MS CAN H Medium Speed CAN High
6 MS CAN L Medium Speed CAN Low
7 ISO L UART/ISO9141/Keyword Line "L"
8 ISO K/LIN 1 UART/ISO9141/Keyword Bi-directional Line "K"
9 DBG CLK Not Used
10 MISC 1 Miscellaneous Signal 1
11 MISC 2 Miscellaneous Signal 2
12 DBG Data Not Used
13 PWR GND Electrical Ground
14 HS CAN H High Speed CAN High
15 HS CAN L High Speed CAN Low
16 HS CAN 2 H High Speed CAN 2 High
17 HS CAN 2 L High Speed CAN 2 Low
18 MISC 4 Miscellaneous Signal 4
19 HS CAN 3 H High Speed CAN 3 High
20 HS CAN 3 L High Speed CAN 3 Low
21 TSYNC CLK H / CGI H CGI High
22 TSYNC CLK L / CGI L CGI Low
23 MISC 3 Miscellaneous Signal 3
24 DBG RESET Not Used
25 VBATT Electrical Positive Supply 6-27 VDC

Table 2 - NeoVI FIRE and RED 9 pin Connector Pin Descriptions

Pin Name Description
1 LIN 1 LIN 1
2 LIN 2 LIN 2
3 LIN 3 LIN 3
4 LIN 4 LIN 4
5 GND Ground Reference
6 MISC 5 Miscellaneous Signal 5
7 MISC 6 Miscellaneous Signal 6
8 NC No Connect
9 VBatt Out No Connect

 


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 2
3 Discretionary* (GMLAN MS CAN H) MS CAN H 5
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) 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 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: Thursday, July 09, 2009