LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Audio System - Diagnostics) >> Audio System >> 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 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. VEHICLE BROUGHT TO WORKSHOP 
    • GO TO NEXT STEP 
  2. (SEE  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
    • GO TO NEXT STEP 
  3. CHECK AND CLEAR THE DTCS (SEE  PRE-CHECK   ) 
    • GO TO NEXT STEP 
  4. PROBLEM SYMPTOM CONFIRMATION 
    1. SYMPTOM OCCURS (GO TO STEP   7 ) 
    2. SYMPTOM DOES NOT OCCUR (GO TO STEP   5 ) 
  5. SYMPTOM SIMULATION (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    • GO TO NEXT STEP 
  6. DTC CHECK (SEE  PRE-CHECK   ) 
    1. MALFUNCTION CODE (GO TO STEP   7 ) 
    2. NORMAL CODE (GO TO STEP   8 ) 
  7. (SEE  DIAGNOSTIC TROUBLE CODE TABLE   ) 
    1. GO TO STEP   9 
  8. (SEE  PROBLEM SYMPTOMS TABLE   ) 
    • GO TO NEXT STEP 
  9. CIRCUIT INSPECTION (SEE  POWER SOURCE CIRCUIT (RADIO RECEIVER ASSY)   THROUGH  AUDIO SYSTEM CANNOT BE OPERATED WITH STEERING PAD SWITCH   ) 
    • GO TO NEXT STEP 
  10. CONFIRMATION TEST 

    END