Air Injection Control Valve: Testing and Inspection

Secondary Air injection Combination Valve, Checking

Work procedure

• Hose connections properly sealed.

- Pull rear engine cover - arrows - off.





- Disconnect air guide hose - 3 - from Secondary Air Injection (AIR) combi-valve.





• The left combination valve for Secondary Air Injection (AIR) is depicted in the illustration.

• Ignore items - 1 and 2 -.

- Connect an assisting hose - arrow - to Secondary Air Injection (AIR) combi-valve.





- Blow into assisting hose using light pressure (do not use pressurized air).

• Secondary Air Injection (AIR) combi-valve must be closed, it must not be possible to blow through.

- Blow into assisting hose using higher pressure (do not use pressurized air).

• The Secondary Air Injection (AIR) combi-valve must open, it must be possible to blow through.

If switching point is not recognized:

- Replace Secondary Air Injection (AIR) combi-valve: Left => [ Left Secondary Air Injection Combination Valve ] Left Secondary Air Injection Combination Valve, right => [ Right Secondary Air Injection Combination Valve ] Right Secondary Air Injection Combination Valve.