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
1. INSTALL TRANSFER ASSEMBLY
(a) Apply sealant 1281 to the transaxle assembly and
transfer assembly in continuous beaded from of 1.2
mm diameter as shown in the illustration.
NOTICE:
Wipe any grease off from the attaching
surfaces.
Install it within 10 minutes after applying the
se ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
...
Active test
HINT:
Performing an ACTIVE TEST enables components
including the relays, VSV (Vacuum Switching Valve), and
actuators, to be operated without removing any parts.
The ACTIVE TEST can be performed with an intelligent
tester. Performing an ACTIVE TEST in the first step in
troubleshooting is one ...
