Reference for Connector Pinouts and Cable Signal Mappings
8
Keysight AP1200A Multi-Protocol Vehicle Network Interface User Guide
79
OBD-II / J1962 Connector Pinout
lists the pinout for the OBD-II / J1962 connector on this cable.
19
HS CAN 3 H
High Speed CAN channel 3, high
20
HS CAN 3 L
High Speed CAN channel 3, low
21
N/C
No connection
22
N/C
No connection
23
N/C
No connection
24
N/C
No connection
25
V BATT
DC Input Power
Table 8-11
DB-25 Connector Pinout
Pin Number
Name
Description
Table 8-12
OBD-II / J1962 Connector Pinout
Pin Number
Name
Description
1
Discretionary
Discretionary
2
J1850 +
J1850 line, positive
3
Discretionary
Discretionary
4
Chassis GND
Chassis Ground
5
Signal GND
Signal Ground
6
CAN H
High Speed CAN channel, high
7
ISO9141/K
ISO 9141-2 K-Line
8
Discretionary
Discretionary
9
Discretionary
Discretionary
10
J1850 -
J1850 line, negative
11
Discretionary
Discretionary
12
Discretionary
Discretionary
13
Discretionary
Discretionary