Toyota Sienna Service Manual: Installation
1. INSTALL KNOCK CONTROL SENSOR
- Install the 2 knock control sensors with the 2 bolts
as shown in the illustration.
Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf)
- Connect the 2 knock control sensor connectors.
2. INSTALL INTAKE MANIFOLD
3. INSTALL FUEL MAIN TUBE SUB-ASSEMBLY
4. INSTALL INTAKE AIR SURGE TANK
NOTICE: DO NOT apply oil to the bolts listed below.
- Install a new gasket to the intake air surge tank [A].
- Using a 5 mm hexagon socket wrench, install the 4
bolts [B].
Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf)
- Install the intake air surge tank with the 2 nuts and 2
bolts [C].
Torque: Nut 16 N*m (163 kgf*cm, 12 ft.*lbf)
Bolt 21 N*m (214 kgf*cm, 15 ft.*lbf)
- Connect the connector [D].
- Connect the union to check valve hose [E].
- Connect the ventilation hose No. 2 [F].
- Install the clamp and connect the throttle with motor body assembly connector [G].
- Connect the vapor feed hose [H].
- Connect the 2 water by-pass hoses to the throttle with motor body assembly [I].
5. INSTALL AIR CLEANER CASE SUB-ASSEMBLY
6. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
7. ADD ENGINE COOLANT
8. INSPECT FOR ENGINE COOLANT LEAK
9. INSPECT FOR FUEL LEAK
10. INSTALL FRONT OUTER COWL TOP PANEL SUBASSEMBLY
11. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY
12. INSTALL V-BANK COVER SUB-ASSEMBLY
Inspection
1. KNOCK CONTROL SENSOR
Using an ohmmeter, measure the resistance
between the terminals.
Resistance:
120 to 280 kΩ at 20C (68F)
If the resistance is not specified, replac ...
EFI relay
Inspection
1. INSPECT EFI RELAY
(a) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace ...
Other materials:
Installation
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY LH
Install the curtain shield airbag assembly LH with
the 13 bolts in the order shown in the illustration.
Tor ...
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
Disassembly
1. REMOVE RH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
Remove the RH seat rear seat reclining cover by
pulling it out in the arrow mark direction shown in
the illustration.
2. REMOVE LH SEAT REAR SEAT RECLINING COVER
Remove the 2 screws.
R ...
