Toyota Sienna Service Manual: Voice Guidance does not Function
INSPECTION PROCEDURE
1 CHECK NAVIGATION SYSTEM SETTING
- Enter the "Menu" screen by pressing the "MENU" switch.
- Select "Volume".
- Check that "OFF" is not selected.
OK: "OFF" is not selected
2 CHECK NAVIGATION SETTING
- Enter the "Menu" screen by pressing the "MENU" switch.
- Select "Set up".
- Check that "Voice Guidance in All Modes" is not OFF.
OK: Voice guidance in all modes is not OFF.
3 CHECK NAVIGATION SETTING
- Enter the "Menu" screen by pressing the "MENU" switch.
- Select "Setup".
- Check that "Auto Voice Guidance" is not OFF.
OK: Auto voice guidance is not OFF
4 CHECK MAP DISC
- Check that the map disc is not deformed or cracked.
OK: No deformations or cracks on map disc.
5 CHECK RADIO AND NAVIGATION ASSEMBLY
- Check that audio sound can be heard from the driver side speaker.
OK: Audio sound can be heard
REPLACE RADIO AND NAVIGATION ASSEMBLY
GPS Mark is not Displayed
INSPECTION PROCEDURE
1 CHECK CABIN
Check the cabin for any object that might interrupt radio
reception on the instrument panel. If such an object
exists, remove it and check if the GPS mark r ...
Map Display Incomplete
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 CHECK DISPLAY
Check that displays other than th ...
Other materials:
Short to GND in Rear Curtain Shield Squib LH
Circuit
DTC B1637/85 Short to GND in Rear Curtain Shield Squib LH
Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC ...
Initialization
1. RESET
When the control motor and clutch is replaced:
The power slide door ECU cannot receive a switch
signal from the control motor and clutch. This may
cause the power slide door system to enter fail-safe
mode and DTC (B2224 (LH) or B2223 (RH)) to set,
and also make the syste ...
Diagnostic trouble code chart
1. DTCS FOR OCCUPANT CLASSIFICATION SYSTEM
If a trouble code is displayed during the DTC check,
check the circuit listed for the code in the table below
(proceed to the page listed for that circuit).
HINT:
When DTC B1150/23 is detected as a result of
troubleshooting for the airbag system, pe ...
