Toyota Sienna Service Manual: Voice Recognition Difficulty
INSPECTION PROCEDURE
1 CHECK CONDITION
- Check if the system's voice recognition level is low by using only one particular voice.
OK: System's voice recognition level is low with any voice.
2 CHECK MAP DISC
- Check that the map disc is not deformed or cracked.
OK: No deformations or cracks on map disc.
3 CHECK MAP DISC
- Check for dirt on the map disc surface.
OK: No dirt is on map disc surface.
NOTICE: Do not use a conventional record cleaner or antistatic preservative.
HINT: If the disc is dirty, clean the disc by wiping the disc's surface radially with a soft cloth.
4 CHECK MICROPHONE (NAVIGATION CHECK MODE)
- Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode.
- When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
- Push the recording switch and perform voice recording.
HINT: Voice can be recorded up to 5 seconds.
- Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
OK: All check results are normal.
END
Route cannot be Calculated
INSPECTION PROCEDURE
1 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK:
No deformations or cracks on map disc.
2 SET DESTINATION
Set another destination and che ...
Voice is not Recognized
INSPECTION PROCEDURE
1 CHECK NAVIGATION SETTINGS
Enter the "Menu" screen by pressing the "MENU" switch.
Select "Setup
Check that "Voice Recogni ...
Other materials:
Disassembly
1. REMOVE RADIATOR WATER INLET
(a) Remove the 2 bolts and radiator water inlet.
2. REMOVE DRAIN PLUG
(a) Remove the drain plug and air drain plug.
(b) Remove the 2 O-rings.
3. REMOVE LOWER RADIATOR TANK
(a) Install the claw to the overhaul handle, inserting it in
the hole in Part A ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP
2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION
Ask the customer about symptoms and confirm
malfunctions.
3 CONFIRM THE SYSTEM NORMAL CONDITION
4 CHECK DTC
HINT:
If the system cannot enter the diagnosis mode, inspect each
AVC-LAN communication signal ...
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform customize operations.
Be sure to record the current settings before
customizing.
When troubleshooting, ...
