CanDo HD Diagnostic Tablet
34
(4) With a driving recorder function.
(5) With a redisplay fault code memory function.
(6) Clear fault codes directly by the instrument function.
3. DLC (Data Transmission Connector) Diagnostic Socket
Unified Standard
(1) DLC diagnostic socket unified as standard 16PIN, mounted in the cab,
under the driver side instrument panel.
(2) There are two standard DLC pins: ISO - European standard
（
INTERNATIONAL STANDARDS ORGANIZATION 9141-2
）
, use 7#, 15# pin to
transfer data.
Each terminal function of OBD-II diagnostic blocks shown in Table 1.
Table: OBD-II Terminal Function
Termi
nal
Function Description
Termi
nal
Function Description
1
SAE J2411, GM single wire
CAN,
GM single line CAN-BUS
9
when 7th pin is not
convenient to use, enable
*KWP1281 or KWP2000
Protocol diagnostic line (K
line)
2
ISO11519-4 (Bus+)(SAE
J1850),and 10
th
pin used
simultaneously
10
ISO 11519-4 (Bus-)(SAE
J1850)
3
CCD-BUS network cable H
line
11
CCD-BUS network cable L
line
4
Car body directly
grounding
12
Factory retained
5
Signal circuit grounding
13
Factory retained
