Step by step guide on how to retrieve trouble codes from Lexus vehicles manufactured
before 1995 OBD - code table included.
Difficulty Scale: 2 of 10Step 1 - Locate the diagnostic connector (data
port connector) under the hood, near the passenger side fender.
Step 2 - Remove the protective identification cap
and wipe away excess die-electric grease. Identify the TE1 and TE terminals which
are shown under the cover, and by the diagram below.