Toyota Sienna Service Manual: Inspection
1. Inspect no. 3 Intake air control valve assembly
(A) inspect actuator operation.
(1) With 26.7 Kpa (200 mm hg, 7.9 In. Hg) of vacuum applied to the actuator, check that the actuator rod moves.
(2) One minute after applying the vacuum, check that the actuator rod does not return.
(3) If the operation is not as specified, replace the no. 3 Intake air control valve.
Installation
1. INSTALL NO. 3 INTAKE AIR CONTROL VALVE ASSEMBLY
(a) Engage the 2 claws and install the No. 3 intake air control valve assembly.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
(a) Install the air cleaner filter element, and air cleaner cap sub-assembly with the 2 bolts.
Torque: 5.0 N*m (50 kgf*cm, 44 in.*lbf)
(b) Connect the 3 vacuum hoses.
(c) Tighten the bolt, connect the 2 connectors, and install the 2 vacuum hoses.
3. INSTALL NO. 2 AIR CLEANER INLET (See page EM- 60)
Removal
1. Remove no. 2 Air cleaner inlet (see page em-
28)
2. Remove air cleaner cap sub-assembly
(a) Disconnect the 3 vacuum hoses.
(b) Loosen the bolt, disconnect the 2 connectors, and
remove ...
Vacuum tank
On-vehicle inspection
1. Inspect air cleaner cap sub-assembly
(A) check that air flows from port b to port a.
(B) apply 60 kpa (450 mm hg, 18 in. Hg) of vacuum to
port b. Check that there is ...
Other materials:
Problem symptoms table
HINT:
Before performing verification listed in the table below,
check the fuse and relay.
Check the circuits for each problem symptom in the order
given in the table below, and proceed to the relevant page.
CLEARANCE SONAR SYSTEM:
*1: with Front Clearance Sonar
*2: wit ...
Definition of terms
Terms
Definitions
Monitor Description
Description of what ECM monitors and how to detect malfunctions
(monitoring purpose and details).
Related DTCs
A group of diagnostic trouble codes that are output by ECM based on
the same malfunction detection lo ...
Check for intermittent problems
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
For use of the intelligent tester only:
Inspect the vehicle's ECM using check mode.
Intermittent problems are easier to detect with an
intelligent tester when the ECM is in check mode. In
check mode, the ECM uses 1 trip detection logic, which
is more ...
