Purge Control System
1. Disconnect the vacuum hose (red stripes) from the throttle body and connect it to a hand vacuum pump.2. Plug the nipple where the vacuum hose is disconnected.
3. Apply 53 kPa (15.7 in.Hg) of vacuum to check the following items.
When engine is cold
[Engine coolant temperature: 40°C (104°F) or less]
When engine is hot
[Engine coolant temperature: 80°C (176°F) or higher]
4. Remove the hand vacuum pump and connect the vacuum hose (red stripes) to the original position.
5. Disconnect the purge air hose from the air intake hose and connect a hand vacuum pump to the purge air hose.
6. Plug the air intake hose nipple.
7. Apply vacuum while racing the engine suddenly at 80°C (176°F) or more of engine coolant temperature. Check that vacuum leaks at this time.