Toyota Sienna Service Manual: Removal
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
2. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY
3. DRAIN ENGINE COOLANT
4. REMOVE V-BANK COVER SUB-ASSEMBLY
5. REMOVE NO. 2 AIR CLEANER INLET
6. REMOVE NO. 1 AIR CLEANER INLET
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
- Disconnect the 3 vacuum hoses.
- Remove the No. 2 ventilation hose and air cleaner hose band.
- Disconnect the vacuum hose (EVAP) from the air cleaner hose.
- Disconnect the mass air flow meter connector.
- Remove the 2 bolts and air cleaner cap subassembly.
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY
9. REMOVE THROTTLE BODY
- Disconnect the throttle body connector and clamp.
- Disconnect the 2 water by-pass hoses from the throttle body.
- Remove the 4 bolts and throttle body.
- Remove the throttle body gasket from the intake air surge tank.
On-vehicle inspection
1. INSPECT THROTTLE BODY
Listen to the throttle control motor operating sounds.
Turn the ignition switch to the ON position.
When pressing the accelerator pedal position
sens ...
Inspection
1. INSPECT THROTTLE BODY
Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
If the result is not as specified, replace the throttle
body asse ...
Other materials:
Installation
1. INSTALL CRANKSHAFT POSITION SENSOR
Apply a light coat of engine oil to the O-ring on the
crankshaft position sensor.
Install the crankshaft position sensor with the bolt.
Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
Connect the crankshaft position sensor connector.
...
Inspection
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
Resistance inspection
Using an ohmmeter, measure the resistance
between the terminals.
Resistance:
6.9 to 7.9 Ω at 20C (68F)
If necessary, replace the camshaft timing oil
control valve assembly.
&nbs ...
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room J/B.
Measure the resistance.
Standard resistance:
Below 1 Ω
2 CHECK INSTRUMENT PANEL ...
