Scan Tool Testing and Procedures

How to End a Troubleshooting Session (required after any troubleshooting)
1. Turn the ignition switch OFF.
2. Clear the DTCs from the VTM-4 control unit memory.
3. Disconnect the HDS from the data link connector (DLC).
4. Verify that the problem has been repaired; test-drive the vehicle for several minutes in 4WD mode.