Section 443 (Combination Switch Control System - Diagnosis)

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

How To Proceed With Troubleshooting
Customer Problem Analysis Check
Pre-Check
- Using LEXUS Hand-Held Tester
Parts Location
Terminals Of Ecu
Problem Symptoms Table
Circuit Inspection