LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1999 >> RX 300 FWD V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> How To Proceed With Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting






HINT: This ECU is connected to the multiplex communication system. Therefore, be sure to check that there is no troubles in the multiplex communication system.


See COMPUTERS AND CONTROL SYSTEMS / INFORMATION BUS
Information Bus