S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel (2001)
Data Link Connector (DLC) Schematics: Power, Ground, Transfer Case Shift Control Module And Vehicle Interface Unit (VIU)
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID".
See: Application and ID/RPO Codes
Rear Jamb Switches, Ignition Key Alarm Switch