Scan Tool Setup And Functionality: Notes

Connect the scan tool to the data link connector (DLC) for communication with the vehicle.

The DLC is located in the driver side compartment. It is attached to the instrument panel under the steering column and accessible from the driver seat.

The DLC is rectangular in design and capable of accommodating up to 16 terminals. The connector has keying features to allow easy connection.

The required scan tool functions are described below:

• monitor, record, and playback of parameter identification (PIDs)
• freeze frame PID data
• diagnostic test modes; self-test, clear DTCs
• output state control mode
• resetting the PCM adaptive tables
• diagnostic monitoring test results (mode 6) for on board diagnostic (OBD) on board monitors
• on board system readiness (OBD monitor completion status)
• resetting the diesel particulate filter parameters
• initiate a manual diesel particulate filter regeneration
• power balance test
• relative compression test

Some of these functions are described. Refer to the scan tool manufacturers manual for instructions on the scan tool setup, operation, and specific cables and adapters required.