Air Injection: Service and Repair

Secondary Air Injection (AIR) System Overview






1 Secondary Air Injection (AIR) Pump Motor (V101)

• Removing and installing, refer to => [ Secondary Air Injection (AIR) Pump Motor (V101) ] Service and Repair

2 Secondary Air Injection (AIR) Pump Relay (J299)

3 Motronic Engine Control Module (ECM) (J220)

4 Right Combination Valve for Secondary Air Injection (AIR)

• Installed location, refer to => [ Combination Valve for Secondary Air Injection (AIR) ]

• Checking, refer to => [ Combination Valve, Checking for Function and Leaks ] Combination Valve, Checking for Function and Leaks

• Removing and installing, refer to => [ Right Combination Valve for Secondary Air Injection (AIR) ] Right Combination Valve for Secondary Air Injection (AIR)

5 Secondary Air Injection (AIR) Solenoid Valve (N112)

6 Non-Return Valve

• Installed position: Arrow points in direction of flow, as shown in figure.

7 To the Intake Manifold

8 Left Combination Valve for Secondary Air Injection (AIR)

• Installed location, refer to => [ Combination Valve for Secondary Air Injection (AIR) ]

• Checking, refer to => [ Combination Valve, Checking for Function and Leaks ] Combination Valve, Checking for Function and Leaks

• Removing and installing, refer to => [ Left Combination Valve for Secondary Air Injection (AIR) ] Left Combination Valve for Secondary Air Injection (AIR)

9 Vacuum Reservoir

• Installed location: In left front wheel housing behind wheel housing liner

Installation Location of Secondary Air Injection (AIR) Solenoid Valve (N112)





• Front at intake manifold - arrow -.

Component Location of Secondary Air Injection (AIR) Pump Motor (V101)





• At front right in engine compartment below the longitudinal.

Component Location for Secondary Air Injection (AIR) Pump Relay (J299)





• At position 2 in 3-socket relay carrier in E-box, plenum chamber.

Combination Valve for Secondary Air Injection (AIR)





• At rear of cylinder heads.

• Left valve is displayed in illustration.