Engines / UDS Engines by part number / 01 - Engine [EV_ECM20TDI01104L906026HQ 004004] / Test start/stop

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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

Part 1 of the order number Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

Select the first three characters of the order number of the engine control unit. This number can be found in the VCDS when linked to the uniform in the SW order number field. Do not insert the ordering number from the control unit packaging here!!!

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:
•         do a test drive
•         engine temperature > XX°C
•         on-board voltage > XXV
•         driver = fastening of seatbelts
•         all doors = closed
•         bonnet = closed
•         engaged gear N, P
•         clutch pedal = released
•         brakes - active

connect with the control unit XX - engine

wait XX s

Advanced Measured Values

select item:

IDEXXXXX-ENGXXXXXX - Start request
IDEXXXXX-ENGXXXXXX - prohibition of engine Stop
IDEXXXXX - status Start/Stop

TIP: For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

Start

IDEXXXXX -status Start/Stop

XXXXXXXX = system active, engine control unit: missing permission
XXXXXXXX = system ready + OK

IDEXXXXX-ENGXXXXXX - Start request

XXXXXXXX = engine temperature: Too small
XXXXXXXX = engine temperature: Too high
XXXXXXXX = brakes - Pressure: Too small
XXXXXXXX = immobiliser: necessary recurrent Start

IDEXXXXX-ENGXXXXXX - prohibition of engine Stop

XXXXXXXX = Stop - permitted
XXXXXXXX = engine temperature
XXXXXXXX = ambient air density
XXXXXXXX = Start/Stop: sensor
XXXXXXXX = brakes - Pressure
XXXXXXXX = prevention of engine Stop - sporadic
XXXXXXXX = poor Start detected
XXXXXXXX = adaptation of mixture
XXXXXXXX= mode regeneration

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