Test condition:
Engine idling.
No faults stored.
No leaks in the exhaust system.
Engine temperature above 90 °C.
All electrical loads switched off.
Automatic gearbox set to ”P/N”.
Pressure gauge not connected.
Note:
Used to check idling speed.
The idling speed is not adjustable.
During the idling check, the AC compressor is switched off and the carbon canister valve is closed.
Procedure:
Choose the idling check function.
Rev up the engine and let it idle for two minutes.
Compare the actual speed signal (actual value) with the specified speed signal (target value). Required values: engine speed signal 670-770 rpm; idling regulator air mass -1 till 1 g/s status 0000.