Toyota RAV4 manuals

Toyota Sienna Service Manual: Vacuum tank

On-vehicle inspection

1. Inspect air cleaner cap sub-assembly

 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 no change of vacuum after one minute.

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 m ...

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. ...

Other materials:

Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below. (Proceed to the page given for that circuit.) BACK DOOR CLOSER SYSTEM DTC No. Detection Item Trouble Area B2215 Back Door Closer Switch ...

Catalyst System Efficiency Below Threshold
DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) MONITOR DESCRIPTION The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio ...

How to proceed with troubleshooting
Hint: The ecm of this system is connected to the can and multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the can and multiplex communication systems The intelligent tester can be used at steps 3, 4, 6, and 9. ...

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