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:
Diagnosis system
1. DIAGNOSIS FUNCTION
The diagnosis function makes the light and the
multi-information display come on, and the CRUISE
main indicator light blink as shown in the illustration.
When a malfunction occurs in the dynamic laser
cruise control system, the DTCs are stored in the
ECM ...
Diagnosis system
1. DESCRIPTION
(a) Release the parking brake pedal.
(b) Check the warning lights.
When ignition switch is turned ON, check that the
ABS warning light and brake warning light come on
for 3 seconds.
HINT:
When parking brake is applied or the level of the
brake fluid is low, the bra ...
Manual Up / Down Function does not Operate on Rear RH Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the
regulator switch or the
wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
Disconnect the P39 regulator switch connector.
Turn ...
