Yeah you need 1995 and above to use a cheap OBD2 scanner like those on Amazon. TOYOCOM (Current Scan tools - https://zf-scantools.com/index.php?rt=product/category&path=72) works with OBD1 (e.g. 1993-1994) but not currently available. Not sure if it works for 1992. Can use paper clip method to...