Test sequence
NOTE:
Do not use pressurized air for the following test!
- Disconnect vacuum hose -1- at Secondary Air Injection (AIR) Solenoid Valve -N112- (-2-).
- Disconnect pressure hose -3- at Secondary Air Injection (AIR) pump motor and blow air in with light pressure (arrow).
Combination valve must close.
NOTE: To disengage, compress the buttons at the hose coupling. - Operate vacuum pump.
Combination valve must open.
If the combination valve does not open or it is constantly open:
- Replace combination valve, see item 1.