Engines / Petrol / SIMOS 7.1 general / basic settings - secondary air system

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Conditions:
- engine temperature > XX °C
- engine speed = idling

switch-off the ignition

wait XX s

switch on the ignition

Start the engine

connect with the control unit XX - engine

XX - Basic settings group XXX
activate default settings

sharply depress - brake pedal + accelerator pedal

the control unit increases the engine speed

required values
field X = TEST ON

wait

required values
field X = Syst. OK

upon achievement of values

XX - end of communication

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