Except U.S.A. And CANADA
1. Remove the check valve..
2. Verify that there is no airflow when positive pressure is applied to port A.

If there is airflow, replace the check valve..
3. Verify that there is no airflow when negative pressure is applied to port A.
If there is no airflow, replace the check valve..
Charcoal Canister
Check Valve Removal/InstallationRefrigerant System Service Cautions
Handling Insufficient Refrigerant Level
If an insufficient refrigerant level is detected at troubleshooting, do
not charge (add) the refrigerant. Because an accurate amount of refrigerant
cannot be determined from the pressure indicated on the manifold gauge, never
charge the refrige ...
Camshaft Position (CMP) Sensor
Purpose/Function
Detects the camshaft speed as basic information for mainly determining the
fuel injection timing and ignition timing.
Detects the camshaft speed and inputs it to the PCM as a CMP signal.
Construction
Intake CMP sensor
Installed on the cylinder head.
...
Controller Area Network (Can)
Outline
The AWD control module (CM) sends and receives data to and from other modules
via the CAN system. Refer to MULTIPLEX COMMUNICATION SYSTEM for a detailed explanation
of the CAN system..
Data sent
AWD system status
Data received
Engine speed
Engin ...