Test 1: Test Operation 'Secondary Air Injection'

Test operation 'Secondary air injection'

Test prerequisite
- Operate engine at idling speed.
- Coolant temperature > 80°C
- Connect exhaust gas measuring unit for CO2 or Lambda measurement.
- AC off
- Operate parking brake.
- In manual transmission, select no gear, in automatic transmissions, select position 'N'.
- Set engine speed for period of 120 s to 3000 rpm.

Note: After start of actuation, CO2 value < 10 % % or Lambda value > 1.5 must be displayed.

Communication with ECU required