neoVI FIRE 2 User’s Guide
73
© 2016 Intrepid Control Systems, Inc.
Version 2.1 - October 10, 2016
Pin #
Name
Description
1
Discretionary
(SW CAN)
Single Wire CAN channel
2
J1850 +
J1850 line, positive
3
Discretionary
(MS CAN H)
Medium Speed CAN channel, high
4
Chassis GND
Chassis Ground
5
Signal GND
Signal Ground
6
Discretionary
(HS CAN H)
High Speed CAN channel, high
7
ISO9141/K/LIN1
ISO 9141-2 K-Line / LIN channel 1
8
Discretionary
Discretionary
9
Discretionary
(ALDL)
Assembly Line Diagnostics Link
10
J1850 -
J1850 line, negative
11
Discretionary
(MS CAN L)
Medium Speed CAN channel, low
12
Discretionary
Discretionary
13
Discretionary
Discretionary
14
Discretionary
(HS CAN L)
High Speed CAN channel, low
15
ISO L
ISO 9141-2 L-Line
16
VBATT
Unswitched Vehicle Battery Positive
Table 11: neoVI-OBD-1 Cable OBD-II / J1962 Connector Pinout.
The table shows standard signals for the OBD-II
connector; this includes J1850, which is not supported by the NEOVI FIRE 2.
Cable Signal Mapping
Table 12 contains the mapping of signals for the neoVI-OBD-1 cable. The signal names for
both connectors are shown and the table is based on the OBD-II connector’s pin order.
OBD-II
Pin #
OBD-II
Signal
DB-25
Signal
DB-25
Pin #
1
Discretionary
(SW CAN)
SW CAN
1
2
J1850 +
N/C
2
3
Discretionary
(MS CAN H)
MS CAN H
5
4
Chassis GND
N/C
N/C
5
Signal GND
GND
13
6
Discretionary
(HS CAN H)
HS CAN 1 H
14
7
ISO9141/K/LIN1
ISO9141/K/LIN1
8
8
Discretionary
N/C
N/C
