Toyota Sienna Service Manual: Installation
1. INSTALL CENTER AIRBAG SENSOR ASSEMBLY
- Check that the ignition switch is off.
- Check that the battery negative (-) terminal is
disconnected.
CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.
- Temporarily install the center airbag sensor assembly with the 3 bolts.
NOTICE:
- If the center airbag sensor assembly has been dropped, or there are any cracks, dents or other defects in the case, bracket or connector, replace it with a new one.
- When installing the center airbag sensor assembly, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
- Tighten the 3 bolts to the specified torque.
Torque: 17.5 N*m (179 kgf*cm, 13 ft.*lbf)
- Check that there is no looseness in the installation parts of the center airbag sensor assembly.
- Connect the 3 connectors to the center airbag sensor assembly.
- Check that the waterproof sheet is properly set.
2. INSTALL AIR DUCT NO.1 REAR
3. INSTALL AIR DUCT NO.3 REAR
4. INSTALL AIR DUCT NO.4 REAR
5. INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY LOWER CENTER
6. INSTALL INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY CENTER
7. INSTALL INSTRUMENT PANEL BOX NO.2
8. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
9. INSTALL FLOOR CARPET COVER CENTER LH
10. INSTALL FLOOR CARPET COVER CENTER RH
HINT: Use the same procedures for the floor carpet cover center RH and floor carpet cover center LH.
11. INSTALL INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER LH
12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
13. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
14. 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 airbag sensor
COMPONENTS
...
Other materials:
On-vehicle inspection
1. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the front seat side airbag assembly installed on
the vehicle, perform a visual check. If there are any
defects as mentioned below, replace the front
seatback ass ...
Lost Communication with Radar Sensor
DTC U1102 Lost Communication with Radar Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
function along the communication line. The distance control ECU determines the
curve radius information
based on signals from the s ...
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 ...
