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Home >> Lexus >> 2004 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 311 (Navigation System - Diagnostics) >> Navigation System >> Problem Symptoms Table >> Display Function
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Display Function

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.
PROBLEM SYMPTOMS TABLE - DISPLAY FUNCTION

Symptom Verification
Pressing PWR switch does not turn on system.
  1. "PRESSING POWER SWITCH DOES NOT TURN ON SYSTEM"
  2. Power source circuit (radio and navigation assy)
  3. Replace radio and navigation assy
Black screen (No image appears on navigation/audio screen).
  1. "BLACK SCREEN (NO IMAGE APPEARS ON NAVIGATION AND AUDIO SCREEN)"
  2. Dimmer signal circuit
  3. Power source circuit (radio and navigation assy)
  4. Replace radio and navigation assy
Illumination for panel switch does not come on with TAIL switch on.
  1. "ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH TAIL SWITCH ON"
  2. Dimmer signal circuit
  3. Replace radio and navigation assy
Display does not dim (Night Screen) with TAIL switch on.
  1. "DISPLAY DOES NOT DIM (NIGHT SCREEN) WITH TAIL SWITCH ON"
  2. Dimmer signal circuit
  3. Replace radio and navigation assy
Power does not turn off (The screen remains on).
  1. Power source circuit (radio and navigation assy)
  2. Replace radio and navigation assy
Panel switch does not function.
  1. "PANEL SWITCH DOES NOT FUNCTION"
  2. Power source circuit (radio and navigation assy)
  3. Steering pad switch circuit
  4. Replace radio and navigation assy
Touch panel switch does not function.
  1. "TOUCH PANEL SWITCH DOES NOT FUNCTION"
  2. Power source circuit (radio and navigation assy)
  3. Steering pad switch circuit
  4. Replace radio and navigation assy
Display panel does not open, tilt, or tilts improperly.
  1. "DISPLAY PANEL DOES NOT OPEN, TILT, OR TILTS IMPROPERLY"
  2. Power source circuit (radio and navigation assy)
  3. Replace radio and navigation assy
Screen is distorted.
  1. Power source circuit (radio and navigation assy)
  2. Replace radio and navigation assy
Screen flicker or color distortion.
  1. "SCREEN FLICKER OR COLOR DISTORTION"
  2. Power source circuit (radio and navigation assy)
  3. Replace radio and navigation assy
DVD image cannot be displayed on front screen. (Parking brake is on.) ((1))
  1. Display signal circuit (from multi-display controller sub-assy)
  2. Parking brake switch circuit
  3. Replace radio and navigation assy
(1) w/Rear Seat Entertainment System
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