P1

Function

P2

1

Un-switched Battery Power

16

2

CAN High

6

3

CAN Low

14

4

Chassis Ground

5

5

Not Used

6

VPW

2

7

ALDL

9

8

Signal Ground

4

P1

Function

P2

1

RX <-> TX

2

2

TX <-> RX

3

5

Ground

5

AutoCal V2 does not expose the serial connection externally. The internal serial interface is available via direct connection to the circuit board but opening AutoCal’s enclosure will void the warranty.

SAE J1962 Socket

1. GM CAN (Low-speed, Single-wire)

1. GM ALDL (OBD-I 8192bps)

1. SAE J1850-VPW Positive

1. SAE J1850-VPW Negative

1. Discretionary *

1. Discretionary *

1. Chassis Ground

1. SCI RX (Engine) & Flash Strobe

1. Signal Ground

1. Discretionary *

1. ISO 15765-4 CAN High

1. ISO 15765-4 CAN Low

1. ISO 9141-2 & ISO 14230-4 K-Line
    SCI TX (Engine)

1. ISO 9141-2 & ISO 14230-4 L-Line

1. Discretionary *

1. Un-switched Battery Power