Operation CHARM: Car repair manuals for everyone.

System Test




Checking
1. Disconnect the vacuum hose (red stripe) from the throttle body, and connect a vacuum pump to the vacuum hose.
2. Check the following points:




- When the engine is cold (engine coolant temperature 60°C [140°F] or below).




- When it is warm (engine coolant temperature 70°C [158°F] or.higher).