- Lane Keeping Assist: Fault message in instrument cluster, Lane Keeping Assist nonfunctional (For internal use only!) -

主题编号
LI46.10-P-064017
版本
6
功能组
46.10 Steering wheel, jacket tube, steering shaft, steering lock
日期
04-22-2021
有效性
Model series 166, 172, 205, 207, 212, 213, 217, 218, 222, 231, 253 and 292 with code 238 (Active Lane Keeping Assist)
Model series 117, 242 and 246 with code 476 (automatic lane recognition)
Affects only vehicles with generation V3 steering wheels which have the vibration motor for Lane Keeping Assist installed in the steering wheel.
In generation V4 steering wheels, the vibrations for Lane Keeping Assist are generated in the steering gear.
Please also refer to the differentiation in the attachment
更改原因
Description of differentiation between V3 and V4 steering wheel

投诉

The display of the instrument cluster shows a "Lane Keeping Assist not available" message.


This LI applies only to vehicles with generation V3 steering wheels which have the vibration motor for Lane Keeping Assist installed in the steering wheel.

In generation V4 steering wheels, the vibrations for Lane Keeping Assist are generated in the steering gear.

Please also refer to the differentiation in the attachment

文件
名称
steeringwheels V3-V4.pdf Differentiation of steering wheel generations V3 and V4

原因

Power supply of steering wheel electronics control unit N135.


补救

Procedure:

1) Power supply for vibration motor in steering wheel with external power supply (12 volt for approx. 3 seconds)

  • Vibration motor nonfunctional -> Replacement of vibration motor if individual order possible, alternatively, replacement of steering wheel.
  • Vibration motor functions properly -> continue with test step 2)

2) Replacement of steering wheel electronics N135.

IMPORTANT: Please note the tightening torques of the three bolts here, as the bolts involved here are thread-forming ones. The bolts must reach 7 Nm.

  • Tightening torque of 7 Nm is reached -> Actuation of vibration motor with XENTRY and inspection of horn function.
  • Tightening torque of 7 Nm is not reached -> Replace steering wheel.


WIS 参考
文档编号
标题
提示
分配
GF82.90-P-9890A Basic function of steering wheel electronics control unit 零件

症状
症状
Chassis/suspension / Steering system / Display message / Pow. steer. faulty Serviced Required
Communication/information / Assistance and warning systems / Lane Assistant / Indicator lamp on
Communication/information / Assistance and warning systems / Lane Assistant / No vibration despite driving over line
Communication/information / Assistance and warning systems / Lane Assistant / Malfunction
Communication/information / Assistance and warning systems / Lane Assistant / Malfunction, displays
Communication/information / Assistance and warning systems / Lane Assistant / Warning message in instrument cluster


操作号/损坏代码
操作号
操作内容
时间
损坏代码
提示
46-8220 Steering wheel Remove/install and, if necessary, replace 0.6Hrs 4634273 only replace steering wheel
46-8341 Remove/install contact plate in steering wheel, replace if necessary 0.6Hrs 4634273 only replace N135
54-7989 Unscrew/screw on ground line of on-board electrical system battery (During repair operations) 0.2Hrs
54-1011 Perform quick test 0.2Hrs