Toyota Sienna Service Manual: Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the vsv.
(B) inspect the vsv for ground.
(1) 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 the vsv.
(2) Inspect vsv operation.
- Check that air flows from port E to the filter.
- Apply battery voltage across the terminals.
- Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
Vacuum switching valve
Components
REMOVAL
1. REMOVE VACUUM SWITCHING VALVE ASSEMBLY
(a) Remove the 2 vacuum hoses and vacuum switching
valve connector.
(b) Remove the screw and vacuum switching valve. ...
Installation
1. Install vacuum switching valve assembly
(a) Install the vacuum switching valve with the screw.
(b) Install the 2 vacuum hoses and vacuum switching
valve connector. ...
Other materials:
Maintenance data
(fuel, oil level, etc.)
Dimensions and weights
*1: Unladen vehicle
*2: The model code is indicated on the Certification Label. For details, see
“Vehicle identification” below.
*3: The towing package is required.
Toyota does not recommend towing with this vehicle without the towing
package.
Vehicle identifi ...
Ignition Switch Circuit
DESCRIPTION
The Multiplex network body ECU receives the ACC and IG signals from the
ignition switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push the intelligent
tester main ...
Oxygen (A/F) Sensor Pumping Current Circuit
DTC P2238 Oxygen (A/F) Sensor Pumping Current Circuit
Low (Bank 1 Sensor 1)
DTC P2239 Oxygen (A/F) Sensor Pumping Current Circuit
High (Bank 1 Sensor 1)
DTC P2241 Oxygen (A/F) Sensor Pumping Current Circuit
Low (Bank 2 Sensor 1)
DTC P2242 Oxygen (A/F) Sensor Pumping Current Circuit
High (Bank ...
