Secondary Air Injection (AIR) System, Checking For Proper Seal

Secondary Air Injection (AIR) System, Checking For Proper Seal

Function test

- 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. Diagnostic Mode 6: Check Test of Parts Not Constantly Monitored
- End diagnosis and switch ignition off.

If the specified values are not reached:

Checking Proper Seal

- Check the connection pipes and hoses between Secondary Air Injection (AIR) pump motor and combination valve for proper seal.
- Secondary Air Injection (AIR) system components, removing and installing:
- Vehicles with engine code AEG, AVH, AZG.
- Vehicles with engine code BDC.
- 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.