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:
Data list / active test
HINT:
By accessing the DATA LIST displayed on the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR CENTER ...
Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s
systems.
*1: These lights turn on when the engine switch is turned to the “ON”
position
(vehicles without a smart key system) or IGNITION ON mode (vehicles
with a smart key system) to indicate that a system c ...
Reassembly
1. INSTALL REAR DIFFERENTIAL PINION SHAFT
(a) Install the 2 thrust washers to the 2 side gears.
(b) Install the 2 side gears, 2 differential pinion gears, 2
differential pinion thrust washers and differential
pinion shaft to the differential case.
HINT:
Align the holes of the differentia ...
