Toyota Sienna Service Manual: Removal
1. Remove windshield wiper motor assembly hint: (see page ww-4) 2. Remove front outer cowl top panel subassembly (see page em-27) 3. Drain engine coolant (see page co-6) 4. Remove v-bank cover sub-assembly (see page em-28) 5. Remove no. 2 Air cleaner inlet (see page em- 28) 6. Remove no. 1 Air cleaner inlet (see page em- 28) 7. Remove air cleaner cap sub-assembly
(A) disconnect the 3 vacuum hoses.
(b) Remove the No. 2 ventilation hose and air cleaner hose band.
(c) Disconnect the vacuum hose (EVAP) from the air cleaner hose.
(d) Disconnect the mass air flow meter connector.
(e) Remove the 2 bolts and air cleaner cap subassembly.
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See page EM-28)
9. REMOVE THROTTLE BODY
(a) Disconnect the throttle body connector and clamp.
(b) Disconnect the 2 water by-pass hoses from the throttle body.
(c) Remove the 4 bolts and throttle body.
(d) Remove the throttle body gasket from the intake air surge tank.
INSPECTION
1. INSPECT THROTTLE BODY
(a) Using an ohmmeter, measure the resistance between the terminals.
Standard resistance
If the result is not as specified, replace the throttle body assembly.
On-vehicle inspection
1. INSPECT THROTTLE BODY
(a) Listen to the throttle control motor operating sounds.
(1) Turn the ignition switch to the ON position.
(2) When pressing the accelerator pedal position
sensor lever ...
Installation
1. INSTALL THROTTLE BODY
(a) Install a new throttle body gasket to the intake air
surge tank.
(b) Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
...
Other materials:
How to proceed with
troubleshooting
HINT:
Use this procedure to troubleshoot the engine immobiliser
system.
The intelligent tester should be used in steps 4, 5 and 7.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 CRANK ENGINE FOR MORE THAN 10 SECONDS
4 CHECK FOR DTC
C ...
Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL
SYSTEM
Turn the cruise control main switch off when not
using the cruise control system.
Be careful as the vehicle speed increases when
driving downhill with the cruise control system on.
The + (ACCEL)/RES (RESUME) operation ch ...
Inspection
1. INSPECT PURGE VSV
(a) Measure the resistance of the purge VSV.
Standard resistance
If the result is not as specified, replace the purge
VSV.
(b) Check the operation of the purge VSV.
(1) Check that air does not flow from port E to port
F.
(2) Apply battery voltage across t ...
