Toyota RAV4 Service Manual: 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 22 mm deep socket wrench, remove the ventilation valve.
Inspection
- Inspect ventilation valve sub-assembly
- Install a clean hose to the ventilation valve.
- Check the ventilation valve operation.
- Blow air into the cylinder head side, and check that air passes through easily.
Caution:
Do not suck air through the valve.
Petroleum substances inside the valve are hazardous to your health.
- Blow air into the intake manifold side, and
check that air passes through with difficulty.
If the result is not as specified, replace the ventilation valve sub-assembly.
- Remove the clean hose from the ventilation valve.
Installation
- Install ventilation valve sub-assembly
- Apply adhesive to 2 or 3 threads of the ventilation valve.
Adhesive: toyota genuine adhesive 1324, three bond 1324 or equivalent
- Using a 22 mm deep socket wrench, install the ventilation valve.
Torque: 19 n*m (194 kgf*cm, 14 ft.*Lbf)
- Connect the ventilation hose.
- Install no. 1 Engine cover (see page em-43)
- Check for engine oil leaks
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 ai ...
Air fuel ratio sensor
Components
On-vehicle inspection
Check air fuel ratio compensation system
Connect the intelligent tester to the dlc3.
Turn the ignition switch on.
Select the following menu item ...
Other materials:
Brake warning light does not come on
Wiring diagram
Refer to the brake warning light circuit (see page bc-145).
Inspection procedure
Check can communication system
Check if the can communication system dtc is output
(see page ca-34).
Result
Perform active test by intelligent tester (brake warning light)
...
Diagnostic trouble code chart
Look for output diagnostic trouble codes (dtcs) (from the
dtc checks) in the appropriate section's diagnostic trouble
code chart. Use the chart to determine the trouble area and
the proper inspection procedure. A description of each of the
chart's columns are below.
Item
Description
...
Blower motor
On-vehicle inspection
Inspect blower motor (for automatic air conditioning system)
Disconnect the blower motor connector.
Connect the positive (+) lead from the battery to
terminal 1 and negative (-) lead to terminal 2, and
then check that the motor operates smoothly.
If the ...