Toyota Sienna Service Manual: Installation
1. INSTALL SPIRAL CABLE
- Check that the front wheels are facing straight ahead.
- Set the turn signal switch to the neutral position.
NOTICE: If it is not in the neutral position, the pin of the turn signal switch may snap.
- Install the spiral cable.
NOTICE: When replacing the spiral cable with a new one, remove the lock pin before installing the steering wheel assembly.
- Connect the connectors to the spiral cable.
NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
2. INSTALL STEERING COLUMN COVER
- Install the steering column cover with the 2 screws.
3. ADJUST SPIRAL CABLE
- Check that the ignition switch is off.
- Check that the battery negative (-) terminal is disconnected.
CAUTION: After removing the terminal, wait for at least 90 seconds before starting the operation.
- Rotate the spiral cable counterclockwise slowly by hand until it feels firm.
NOTICE: Do not turn the spiral cable by the airbag wire harness.
- Rotate the spiral cable clockwise approximately 2.5 turns to align the marks.
NOTICE: Do not turn the spiral cable by the airbag wire harness. HINT: The spiral cable will rotate approximately 2.5 turns to both the left and right from the center.
4. INSTALL STEERING WHEEL ASSEMBLY
5. INSPECT STEERING WHEEL CENTER POINT
6. INSTALL STEERING PAD
7. INSTALL STEERING WHEEL NO.2 COVER LOWER (25)
8. INSTALL STEERING WHEEL NO.3 COVER LOWER (25)
9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
10. INSPECT STEERING PAD (25)
11. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
12. INSPECT SRS WARNING LIGHT
- Inspect the SRS warning light
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 th ...
Front passenger airbag assembly
COMPONENTS
...
Other materials:
On-vehicle inspection
1. CHECK POWER REAR NO. 2 SEAT with STOWING FUNCTION
Check the basic functions.
Operate the fold seat switch and power rear
No.2 seat switch and check to make sure each
seat function works:
Folding-down operation
Stowing operation
Return operation
...
Folding Motor Circuit
DESCRIPTION
The fold seat control ECU receives a switch operation signal from the fold
seat switch and activates the
folding motor. At this time, the Hall IC (seat cushion position sensor) detects
the actuation signal. The fold
seat control ECU uses signals from the Hall IC (seat cushion posi ...
Inspection
1. INSPECT REAR DRIVE SHAFT ASSEMBLY LH
(a) Check that there is no remarkable play in the radial
direction of the outboard joint.
(b) Check that the inboard joint slides smoothly in the
thrust direction.
(c) Check that there is no remarkable play in the radial
direction of the inboard ...