VW / Touareg (7P) / 44 - Steering booster EPS TRW ALow [EV_SteerAssisUDSTRW 011021] / Setting of steering wheel turn angle sensor (G85)

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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

This operation was considered useful 2x.

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Conditions:
• test / wheel alignment
• Front wheels straight, Steer turn angle = -X°..+X° (Advanced Measured Values -> IDEXXXXX-IDEXXXXX)

X)
connect with the control unit XX - steering booster

XX - Security access
enter value: XXXXX

alternatively use:

XXXXX
SXXXXX

Start

XX - Basic settings
select item in menu: IDEXXXXX - Zeroing of the manufacturer’s settings
TIP! For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window
Start

required value: running

back
XX - end of communication

X)
switch ignition off for XXs
Start the engine - engine speed = idling

X)
connect with the control unit XX - steering booster

XX - Security access
enter value: XXXXX

alternatively use:

XXXXX
SXXXXX

Start

XX - Basic settings
select item in menu: MASXXXXX - Setting of steering wheel turn angle sensor
Start

required value: running

upon achievement of values - continue

turn the steering wheel - left - full way

wait Xs

turn the steering wheel - right side - full way

wait Xs

turn the steering wheel - left - full way

wait Xs

desired condition: Successfully completed

further, do: check of error memory

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