LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Navigation System - Diagnosis) >> How To Proceed With Troubleshooting
April 5, 2026: LEMON Manuals is launched! Read the announcement.

How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. Vehicle Brought to Workshop 
    1. Go to next step.
  2. Customer Problem Analysis (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
    1. Go to next step.
  3. Problem Symptom Confirmation 
    1. Symptom does not occur (Go to step 4) 
    2. Symptom occurs (Go to step   5 ) 
  4. Symptom Simulation (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. Go to next step.
  5. DTC Check (See  PRE-CHECK  ) 
    1. Normal code (Go to step   7 .) 
    2. Malfunction code (Go to step 6) 
  6. DTC Chart (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. Go to step   8 . 
  7. Problem Symptoms Table (See  PROBLEM SYMPTOMS TABLE  ) 
    1. Go to next step.
  8. Circuit Inspection and Part Inspection 
    1. Go to next step.
  9. Indemnification of Problem 
    1. Go to next step.
  10. Repair or Replace 
    1. Go to next step.
  11. Confirmation Test 
    1. End 
scientia non olet · About LEMON Manuals