Air Injection: Testing and Inspection

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

Function test
- Select measuring value 'Test-ID 03: Secondary Air Injection (AIR) system" and check whether specified values are being reached. Diagnostic mode 6: Check test results of components that are not continuously monitored, Diagnostic Mode 6: Check Test Results of Components That Are Not Continuously Monitored
- End diagnosis and switch ignition off.

If specified values are not reached:

Checking Proper Seal
- Check 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, BEV.
- Vehicles with engine code BDC, BGD.

- Repeat function test.

If malfunction is no longer present:
- Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes