Air Injection: Testing and Inspection

Diagnostic Procedures

Secondary Air Injection System, Checking for Leaks

- Select the measuring value "Test-ID 03: Secondary Air Injection (AIR) system" and check whether the specified values are being reached , Diagnostic mode 6: Check test results of components that are not continuously monitored

- End diagnosis and switch ignition off.

If specified values are not obtained:

Checking Proper Seal

- Check the connecting lines and hoses between Secondary Air Injection (AIR) Pump Motor and combination valves for proper seal , Parts of the Secondary Air Injection (AIR) system, removing and installing.

- Repeat function test.

- Check hoses and hose connections for secure seating.

- Repeat function test.

If malfunction is no longer present:

- Erase DTC memory of Engine Control Module (ECM) , Diagnostic mode 4: Reset/erase diagnostic data.

- Generate readiness code.