Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

CHECK NAVIGATION SYSTEM SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Enter the volume adjustment screen by pressing the "Volume" switch.
  
  Fig 1: Display Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Off" is not selected.
  OK: Off is not selected.
  
  Fig 2: Display Volume Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES
2. OK: Go to next step.
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Enter the "Setup" screen by pressing the "Setup" switch.
  
  Fig 3: Display Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Auto Voice Guidance" is not OFF.
  OK: Auto voice guidance is not OFF.
4. Check if "Voice Guidance in All Modes" is not OFF.
  OK: Voice guidance in all modes is not OFF.
  
  Fig 4: Display Setup Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: TURN AUTO VOICE GUIDANCE TO "ON"
2. OK: Go to next step.
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks appear on the map disc.
  
  Fig 5: Identifying Deformed Or Cracked Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE MAP DISC
2. OK: Go to next step.
CHECK RADIO RECEIVER ASSY
1. Check if audio sound can be heard from the driver's side speaker.
  OK: Audio sound can be heard.
1. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. OK: REPLACE NAVIGATION ECU (SEE NAVIGATION ECU )