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:
DTC check / clear
1. CHECK DTC (USING INTELLIGENT TESTER)
Checking DTCs.
Connect the intelligent tester to the DLC3.
Turn the ignition switch ON.
Read DTCs by following the prompts on the
tester screen.
HINT:
Refer to the intelligent tester operator's manual
for furthe ...
Actuator Supply Voltage Circuit / Open
DESCRIPTION
The ECM monitors the output voltage to the throttle actuator. This self-check
ensures that the ECM is
functioning properly. The output voltage is usually 0 V when the ignition switch
is turned off. If the output
voltage is higher than 7 volts when the ignition switch is turned ...
Front Occupant Classification Sensor LH Circuit
Malfunction
DTC B1780 Front Occupant Classification Sensor LH Circuit
Malfunction
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
classification ECU and the
front occupant classification sensor LH.
DTC B1780 is recorded when a malfunction is detected in the fron ...
