Toyota Sienna Service Manual: Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEERING WHEEL NO.3 COVER LOWER (24)
5. REMOVE STEERING WHEEL NO.2 COVER LOWER (24)
6. REMOVE STEERING PAD (24)
7. REMOVE STEERING WHEEL ASSEMBLY
8. REMOVE STEERING COLUMN COVER
9. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
10. REMOVE INSTRUMENT PANEL BOX NO.2
11. DISCONNECT FRONT PASSENGER AIRBAG ASSEMBLY CONNECTOR
- Disconnect the connector from the front passenger airbag assembly.
NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
12. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY
13. REMOVE FRONT PASSENGER AIRBAG ASSEMBLY
- Remove the 2 screws.
- Release the front side wall of the airbag door from the hook by slightly deflecting it and roll the front passenger airbag assembly rearward.
- Release the rear side wall of the airbag door from the other hook and remove the front passenger airbag assembly.
On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the front passenger airbag assembly installed
on the veh ...
Installation
1. INSTALL FRONT PASSENGER AIRBAG ASSEMBLY
Install the front passenger airbag assembly with the
2 screws.
2. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY
3. CONNECT FRONT PASSENGER AIRBAG ...
Other materials:
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
The meter CPU receives engine coolant temperature signals from the ECM via
the multiplex
communication lines. The meter CPU displays engine coolant temperature that is
calculated based on the
data received from the ECM.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
If there is ...
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 ...
Yaw rate sensor check (when using sst check wire)
(a) Check the zero point voltage of the yaw rate sensor.
(1) Keep the vehicle in a stationary condition on a
level surface for 1 second or more.
(b) Check the output of the yaw rate sensor.
(1) Move the shift lever to the D position, drive the
vehicle at a speed of approximately 3 mph (5
...
