Toyota Sienna Service Manual: On-vehicle inspection
1. Inspect intake air surge tank assembly
(A) inspection procedure when applying voltage between the terminals:
(1) Disconnect the connector from the intake air control valve.
(2) Apply battery voltage between terminals 1 (-) and 2 (+) of the intake air control valve. Check that a clicking sound is heard from the intake air control valve.
If the result is not as specified, replace the intake air surge tank.
Intake air control valve
Components
...
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 ...
Other materials:
Data list / active test
1. DATA LIST
HINT:
Using the DATA LIST displayed on the intelligent tester,
you can read the value of the switch, sensor, actuator,
etc. without parts removal. Reading the DATA LIST as
the first step of troubleshooting is one way to shorten the
labor time.
Connect the intelligent tes ...
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch operates 8 functions: SET, - (COAST),
TAP-DOWN, RES (RESUME), +
(ACCEL), TAP-UP, CANCEL, and MODE. The SET, TAP-DOWN, and - (COAST) functions,
and the RES
(RESUME), TAP-UP, and + (ACCEL) functions are operated with the same switch. The
cruise contr ...
Warning function
Light in the exterior mirror
Acute warning
If there is a risk of collision, the light in the exterior
mirror flashes and the steering wheel vibrates.
A Check Control message is displayed at
the same time.
If necessary, an active steering intervention then
takes place to prevent collisions and main ...
