neoVI Blue Vehicle Side Connections
Main
Applies to
neoVI Blue
You can connect neoVI to the Vehicle via the 25 pin D-Sub connector. All 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.
Note that the neoVI connector pin-out is also diagrammed on the bottom of the neoVI device.
Table 1 - The neoVI 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 | J1850 PWM L | J1850 PWM (Ford SCP) Low |
6 | J1850 PWM H | J1850 PWM (Ford SCP) High |
7 | ISO L | UART/ISO9141/Keyword Line "L" |
8 | ISO K | UART/ISO9141/Keyword Bi-directional Line "K" |
9 | MISC 3 | Miscellaneous Signal 3 |
10 | MISC 4 | Miscellaneous Signal 4 |
11 | MISC 5 | Miscellaneous Signal 5 |
12 | MISC 6 | Miscellaneous Signal 6 |
13 | PWR GND | Electrical Ground |
14 | HS CAN H | High Speed CAN High |
15 | HS CAN L | High Speed CAN Low |
16 | MS CAN H | Medium Speed CAN High |
17 | MS CAN L | Medium Speed CAN Low |
18 | LIN | LIN |
19 | J1708 H | J1708 High |
20 | J1708 L | J1708 Low |
21 | MISC 1 | Miscellaneous Signal 1 |
22 | MISC 2 | Miscellaneous Signal 2 |
23 | SCI Tx | Not Used |
24 | SCI Rx | Not Used |
25 | VBATT | Electrical Positive Supply 7-25 VDC |
Figure 2 - The OBD-II / J1962 Connector Vehicle
End View
Table 2 - 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: Thursday, July 09, 2009