neoVI FIRE 2 User’s Guide
74
© 2016 Intrepid Control Systems, Inc.
Version 2.1 - October 10, 2016
OBD-II
Pin #
OBD-II
Signal
DB-25
Signal
DB-25
Pin #
9
Discretionary
(ALDL)
HS CAN 3 H
19
10
J1850 -
HS CAN 3 L
20
11
Discretionary
(MS CAN L)
MS CAN L
6
12
Discretionary
HS CAN 2 H
16
13
Discretionary
HS CAN 2 L
17
14
Discretionary
(HS CAN L)
HS CAN 1 L
15
15
ISO L
ISO L
7
16
VBATT
VBATT
25
Table 12: neoVI-OBD-1 Cable Signal Mapping.
7.4 neoVI-OBD-MULTI (Regular and Right Angle) Cable Connector Pinouts
and Signal Mapping
These two cables have the same pinouts and signal mappings, as they differ only in the
physical construction of the OBD-II connector.
DB-25 Connector Pinout
Table 13 shows the pinout of the DB-25 connector on the neoVI-OBD-1.
Pin #
Name
Description
1
N/C
No connection
2
N/C
No connection
3
N/C
No connection
4
N/C
No connection
5
MS CAN H
Medium Speed CAN channel, high
6
MS CAN L
Medium Speed CAN channel, low
7
ISO L
ISO 9141-2 L-Line
8
ISO9141/K/LIN1
ISO 9141-2 K-Line / LIN channel 1
9
N/C
No connection
10
N/C
No connection
11
N/C
No connection
12
N/C
No connection
13
GND
Ground
14
HS CAN 1 H
High Speed CAN channel 1, high
15
HS CAN 1 L
High Speed CAN channel 1, low
16
HS CAN 2 H
High Speed CAN channel 2, high