Toyota RAV4 Service Manual: Vacuum switching valve
Components
Removal
- Disconnect cable from negative battery terminal
Caution:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- Remove purge vsv
- Disconnect the purge vsv connector.
- Disconnect the wire harness clamp.
- Disconnect the 2 purge line hoses from the purge vsv.
- Remove the purge vsv from the air cleaner hose.
Inspection
- Inspect purge vsv
- Measure the resistance of the purge vsv.
Standard resistance 
If the result is not as specified, replace the purge vsv.
- Check the operation of the purge vsv.
- Check that air does not flow from port e to port f.
- Apply battery voltage across terminals.
- Check that air flows from port e to port f.
If the result is not as specified, replace the purge vsv.
Installation
- Install purge vsv
- Install the purge vsv onto the air cleaner hose.
- Connect the 2 purge line hoses to the purge vsv.
- Connect the wire harness clamp.
- Connect the purge vsv connector.
- Connect cable to negative battery terminal
Canister
Components
removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent ai ...
Ventilation valve
Components
Removal
Remove no. 1 Engine cover (see page em-22)
Remove ventilation valve sub-assembly
Disconnect the ventilation hose from the ventilation
valve.
Using a ...
Other materials:
Removal
Discharge fuel system pressure (see page
fu-9)
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove radiator support op ...
Terminals of ecu
Check occupant classification ecu
Measure the voltage of the connector.
...
Mil circuit
Description
The mil (malfunction indicator lamp) is used to indicate vehicle malfunction
detections by the ecm.
When the ignition switch is turned on, power is supplied to the mil circuit, and
the ecm provides the
circuit ground which illuminates the mil.
The mil operation can be checked ...