Toyota Sienna Service Manual: Navigation check mode
HINT:
- This mode displays GPS satellite information.
- Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual vehicle.
1. ENTER DIAGNOSTIC MODE ( )
2. NAVIGATION CHECK

- Select "Navigation Check" from the "Diagnosis
MENU" screen.
3. GPS INFORMATION

- Select "GPS Information" from the "Navigation
Check" screen.

- When GPS information is displayed, check the GPS
conditions.
HINT:
- This screen is updated once per second when
input signals to the vehicle are changed.
- For details of this function, refer to DIAGNOSIS DISPLAY DETAILED
DESCRIPTION.
4. VEHICLE SENSORS

- Select "Vehicle Sensors" from the "Navigation
Check" screen.

- Check all the signals and sensors when vehicle
signal information is displayed.
HINT:
- This screen is updated once per second when
input signals to the vehicle are changed.
- This screen displays vehicle signals input to the
built-in navigation ECU.
- For details of this function, refer to DIAGNOSIS DISPLAY DETAILED
DESCRIPTION.
5. COLOR BAR CHECK

- Select "Color Bar Check" from the "Navigation
Check" screen

- Check each color of the color bar when the "NAVI
Color Bar Check" screen is displayed.
HINT:
- Colors will not be displayed full-screen as in
"Display Check Mode".
- This screen displays the built-in navigation ECU
display color.
6. MEMORY COPY/PASTE CHECK

HINT:
This function cannot be used.
7. PARTS INFORMATION

- Select "Parts Information" from the "Navigation
Check" screen.

- Check the navigation and disc information when the
"Parts Information" screen is displayed.
Screen Description:
|
Display |
Contents |
| Navigation Manufacturer/*1 |
Radio and navigation assembly manufacturer is displayed |
| Navigation Version/*2 |
Radio and navigation assembly version is displayed. |
| Disc Manufacturer/*3 |
Map disc manufacturer is displayed. |
| Disc Version/*4 |
Map disc version is displayed. |
8. MIC & VOICE RECOGNITION CHECK

- Select "Mic & Voice Recognition Check" on the
"Display Check" screen to display "MICROPHONE
& VOICE RECOGNITION CHECK" screen

- 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.
- Check that the recording indicator remains on while
recording and that the recorded voice is played
normally.
HINT:
- For details of this function, refer to DIAGNOSIS
DISPLAY DETAILED DESCRIPTION.
- This function is controlled by the built-in
navigation ECU.
9. DVD PLAYER INFORMATION CHECK

- Select "DVD Player Information" from the
"Navigation Check" screen.

- Check for DTCs.
HINT:
- This is a DVD player check function in the radio
and navigation assembly (built-in navigation
ECU).
- For details of this function, refer to DIAGNOSIS DISPLAY DETAILED
DESCRIPTION.
HINT:
Illustration may differ from the actual vehicle depending on
the device settings and options. Therefore, some detailed
area may not be shown exactly the same as on the actual
vehicle.
1. EN ...
HINT:
This section contains a detailed description of displays
within diagnostic mode.
Illustrations may differ from the actual vehicle depending
on the device settings and optio ...
Other materials:
Engine Coolant Temperature / Intake Air Temperature Correlation
DESCRIPTION
The ECM calculates the difference between the readings of the coolant
temperature sensor and intake air
temperature sensor. If the difference is greater than 20°C (68°F), the ECM will
judge this as a malfunction
and will set this DTC.
HINT:
Waiting is required t ...
ECU Power Source Circuit
DESCRIPTION
The position control ECU and switch assembly (power seat control switch and
ECU) is contained in the
switch assembly.
During manual operation, only one switch signal is accepted. If signals are
input from 2 or more switches
simultaneously, all of them are ignored, except when s ...
Reassembly
1. INSTALL NO. 2 SEAT LEG SUB-ASSEMBLY
Install the No. 2 seat leg sub-assembly with the 3
bolts and nut.
Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf)
NOTICE:
Tighten the bolts and nuts in the order shown in
the illustration.
Install the 3 clamps.
2. INSTALL NO. 2 SEAT ...