Air Injection: Testing and Inspection

Diagnostic Procedures

Secondary Air Injection System, Checking for Leaks

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

- End diagnosis and switch ignition off.

If specified values are not obtained:

Checking Proper Seal

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

- Repeat function test.

- Check hoses and hose connections for secure seating.

- Repeat function test.

If malfunction is no longer present:

Final Procedures

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Modes 01 - 09.

2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] Diagnostic Modes 01 - 09.

3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] Readiness Code.