|Description (may be empty)|
|2||L diagnostic line / Sensor signal Return|
|3||K diagnostic line /Data +|
|4||Malfunction indicator lamp output|
|6||Fuel pump eneble output|
The data link connector is composed of two connectors. The larger connection is a 6 terminal connector used to provide access to the PCM. The smaller connection is a single pigtail connector which is used to ground terminals on the 6 terminal connector when initiating self-tests or accessing diagnostic trouble codes.