System Testing
1. Disconnect the purge air hose from the air intake hose, and plug the air intake hose, Then, connect the hand vacuum pump to the purge air hose.
2. Under the engine conditions shown below, check by applying vacuum from a hand vacuum pump.
When engine is cold-engine coolant temperature:
60°C (140°F) or less
When engine is hot-engine coolant temperature:
70°C (158°F) or higher