Test ID 03 - Secondary Air Injection System
Test Prerequisites
- There must not be any DTCs stored in DTC memory → Diagnostic Mode 03 - Read DTC Memory .
Let vehicle stand for approx. 12 hours with engine switched off under the following conditions:
- Intake air temperature 10 to 50 C → Diagnostic Mode 01 - Read Current System Data ; PID 15: Intake Air Temperature (IAT)
- Coolant temperature approx. intake air temperature (10 to 50 C) → Diagnostic Mode 01 - Read Current System Data ; PID 5, Coolant temperature.
Procedure
- Connect diagnostic tester → Diagnostic Tester, Connecting .
- Start engine and let run at least 15 minutes at idle.
- Under address word 33, select "Diagnostic mode 6: Check test results of components that are not continuously monitored".
- Select "Test-ID 03: Secondary Air Injection (AIR) system"
- Check specified values at idle.
| Test-ID 03: | Secondary Air Injection (AIR) system | Specified value: | |||||||
|---|---|---|---|---|---|---|---|---|---|
| min. | max. | ||||||||
| Very low secondary air mass Bank 1 | 0.5 | --- | |||||||
| Very low secondary air mass Bank 2 | 0.5 | --- | |||||||
NOTE:
- Bank 1 = Cylinder bank 1, in direction of travel, right
- Bank 2 = Cylinder bank 2, in direction of travel, left
- End diagnosis and switch ignition off.
If specified values are not reached:
- Check secondary air system for proper seal → Secondary Air Injection Combination Valve, Checking .
- Check Secondary Air Injection (AIR) Pump Motor V101 → Secondary Air Injection Pump Motor, Checking