gf4680p9900a

Rear axle steering, basic function

Tyyppi gf · aihe 46.80 · versio 0100 · 2020-07-07

Koskee: Model all (CAR) with code 201 (Rear axle steering) Model all (CAR) with code 216 (Rear axle steering with large steering angle)

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Sijainti

Toimintoryhmä 2 Alusta › 46 Ohjaus › 46.80 Takapyörien lisäohjaus, ohjaava lisäakseli (ZL), elektronis-hydraulinen lisäohjaus (EHZ) — Mallisarja 900 (mallit 9**) · Mallisarja 902 (mallit 9**) · Mallisarja 904 (mallit 918, 919, 924, 925, 938, 943, 957) · Mallisarja 906 (mallit 917, 918, 924, 953)

EinPAS 22 Ohjaus › 22.20 Lisäohjaus › 22.20.1 Perustieto — Mallisarja 900 (mallit 9**) · Mallisarja 902 (mallit 9**) · Mallisarja 904 (mallit 918, 919, 924, 925, 938, 943, 957) · Mallisarja 906 (mallit 917, 918, 924, 953)

Koskee myös moottoreita/vaihteistoja: 139 ***, 254 ***, 256 ***, 272 ***, 276 ***, 282 ***, 457 9**, 541 9**, 542 9**, 608 ***, 700 4**, 700 420, 700 421, 700 422, 700 423, 715 3**, 715 5**, 722 6**, 722 9**, 724 ***, 724 0**, 724 033, 724 044, 724 045, 724 1**, 724 103, 724 114, 724 115, 724 120, 725 ***, 725 0**, 725 035, 725 037, 725 038, 725 085, 725 1**, 739 390, 739 391, 739 395, 739 396, 739 397, 739 398, 739 399, 740 698, 743 3**, 743 4**, 743 498, 746 971, 924 9**, 924 910, 925 9**, 926 9**

GF46.80-P-9900A

Rear axle steering, basic function

22.06.2020

Model

all (CAR)

with code 201 (Rear axle steering)

Model

all (CAR)

with code 216 (Rear axle steering with large steering angle)

Rear axle steering, basic function

Example illustration of steer direction of rear axle steering

A

Steering in opposite direction of front wheels

B

Steering in same direction as front wheels

P46.00-A006-12

Rear axle steering is automatic steering on the rear axle. It is used to improve driving stability and comfort in various speed situations. It also improves the turning circle when parking the vehicle.

Control is adopted by integrated vehicle dynamics control. Integrated vehicle dynamics control is implemented in the ESP® control unit or in the rear axle steering control unit and initiates targeted individual wheel brake interventions as well as rear axle steering.

Depending on the driving situation, the rear wheels are steered either in the opposite direction of (A) or in the same direction as (B) the steer direction of the front wheels.

Detailed information

Rear axle steering, detailed information

Model 290
as of model year 2021
with code 201 (Rear axle steering)

GF46.80-P-0020A

Control units

Electronic Stability Program control unit, basic function

Model all (CAR)
with code 201 (Rear axle steering)
Model all (CAR)
with code 216 (Rear axle steering with large steering angle)

GF42.45-P-9890A

Rear axle steering control unit, basic function

Model 290
as of model year 2021
with code 201 (Rear axle steering)

GF46.80-P-9890A

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