| Inspection |
| 1. |
After disconnecting the vapor hose from the PCV valve, remove the PCV valve. |
| 2. |
Reconnect the PCV valve to the vapor hose. |
| 3. |
Run the engine at idle, and put a finger on the open end of
the PCV valve to make sure that the intake manifold vacuum turns to
vacuum state.
|
| 4. |
If the vacuum state does not exist, clean or replace the vapor hose. |
Schematic Diagram
Operation Principle
C
Description The A/C Pressure Transducer (APT) converts the pressure value of high-pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it at high speed or low speed.