Secondary Air Injection (AIR) system, checking for proper seal
WARNING: This page is about a different variant/trim than selected.
Function test
- Select the measuring value "Test-ID 03: Secondary Air Injection (AIR) system" and check whether the specified values are being reached. Refer to Diagnostic mode 6: Check test results of components that are not continuously 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:
- Vehicles with engine code AFP. Refer to Parts of Secondary Air Injection (AIR) system (vehicles with engine code AFP), removing and installing ,
- Vehicles with engine code BDF. Refer to Parts of Secondary Air Injection (AIR) system (vehicles with engine code BDF), removing and installing ,
- Vehicles with engine code BJS. Refer to Parts of Secondary Air Injection (AIR) system (vehicles with engine code BJS), 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). Refer to Diagnostic mode 4: Reset/erase diagnostic data
- Generate readiness code. Refer to Readiness code, generating