PS2 Heavy Duty
36
2. Using the multi-jumper box
Tip:
If you use the OBD testing connectors for direct connection, can only detect the standard
diagnostic connector pin out on the connected system (pin 7 for ISO diagnosis, pins 2 and 10 for
SAE diagnosis, 6 and 14 pins for the CAN diagnosis). This is usually the engine control system,
some cases may find other systems. All diagnostic criteria did not take out the plug pins on the
OBD system must use the test connection with the 'million a jumper box' to the jumper
connection test. In the use of 'million a jumper box' to the jumper connection test, click on that
connection as follows:
⑴
⑴
⑴
⑴
the multi-jumper box
⑵
⑵
⑵
⑵
note of the side hole on multi-jumper box , it is visible on the label place of the box back.
Jumper box side
hole
Definition
Jumper box side hole
Definition
1
CAN H2
9
232-TX
2
BUS+
10
BUS-
3
K-line2
11
CAN L2
4
GND negative
12
RS485-
5
GND negative
13
RS485+
6
CAN H1
14
CAN L1
7
K-line1
15
L-line
8
232-RX
16
VIN
positive
⑶
⑶
⑶
⑶
using method of multi-jumper box
In the side with the hole in the
multi-jumper box
must be cross-wiring (in the configuration box)
to connect. With a jumper in the use of
jumper box
, the need to first determine the type of the
tested vehicle diagnostic blocks and protocol, according to the type of diagnostic blocks select the