Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. 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. Select "Volume".
  
  Fig 1: Diagnostic Tool Display - Menu
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "OFF" is not selected.
  OK: "OFF" is not selected.
Fig 2: Diagnostic Tool Display - OFF
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES

OK: Go to Next Step
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
  
  Fig 3: Diagnostic Tool Display - Menu
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice Guidance in All Modes" is not OFF.
  OK: Voice guidance in all modes is not OFF.
Fig 4: Diagnostic Tool Display - Voice Guidance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN VOICE GUIDANCE IN ALL MODES "ON"

OK: Go to Next Step
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
  
  Fig 5: Diagnostic Tool 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.
Fig 6: Diagnostic Tool Display - Auto Voice Guidance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN AUTO VOICE GUIDANCE "ON"

OK: Go to Next Step
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks on map disc.
Fig 7: Checking Disc
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MAP DISC

OK: Go to Next Step
CHECK RADIO RECEIVER
1. Check that audio sound can be heard from the driver side speaker.
  OK: Audio sound can be heard.
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

NG: GO TO AUDIO AND VISUAL SYSTEM