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11.2 Appendix B: CAN Bus Data Connectors

11.2.1 Vehicle OBD-II Connector J1962

Figure 19: Car Diagnostic Connector (female)

Pin No.

Description

1

Manufacturer mandated

2

J1850 Bus+

3

Manufacturer mandated

4

Car ground

5

Signal ground

6

CAN High (J-2284)

7

ISO 9149-2 K output

8

Manufacturer mandated

9

Manufacturer mandated

10

J1850 Bus

11

Manufacturer mandated

12

Manufacturer mandated

13

Manufacturer mandated

14

CAN Low (J-2284)

15

ISO 9149-2 L output

16

Battery (+) voltage

Table 1: OBD-II Connector J1962 – Pin Description