Test-ID 03: Secondary Air Injection (AIR) system

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Test requirements

There must not be any DTCs stored in DTC memory. Refer to Diagnostic mode 3: Check DTC Memory
Intake air temperature 5 to 35 ° C. Refer to Diagnostic mode 1: Check measured values
Coolant temperature approx. intake air temperature (5 to 35 ° C). Refer to Diagnostic mode 1: Check measured values

Work procedure

Read readiness code. Refer to Readiness code, reading
Let engine run at idle.
Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
Select the "Test-ID 03: Secondary Air Injection (AIR) system"

Check specified values at idle.

Evaluation test-ID 03: Secondary Air Injection (AIR) system

Secondary Air Injection (AIR) system	Specified value:
(Bank 1 and 2)	min.	max.
reduced secondary air mass
Engine code AFP	0.500	---
Engine code BDF	0.250	---
Engine code BJS	0.250	---
reduced secondary air mass, short test
Engine code BJS	0.600	---
very low secondary air mass, short test
Engine code AFP	0.250	---
Engine code BDF	0.602	---
Engine code BJS	0.250	---

Secondary Air Injection (AIR) system	Specified value:
(Bank 1 and 2)	min.	max.
Leak (combination valve does not close), short test
Engine code AFP	---	14.0 kg/h
Engine code BDF	---	7.2 kg/h
Engine code BJS	---	7.2 kg/h

End diagnosis and switch ignition off.

If specified values are not obtained:

Check secondary air system for proper seal. Refer to Secondary Air Injection (AIR) system, checking for proper seal .
Check Secondary Air Injection (AIR) Solenoid Valve -N112-. Refer to Secondary Air Injection (AIR) valve, checking .
Check Secondary Air Injection (AIR) Pump Motor -V101-. Refer to Secondary Air Injection (AIR) pump motor, checking .
Check combination valve. Refer to Combination valve, checking .

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