5 Series E61 523i (N52) TOUR
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Reset trip meter
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Call up Condition Based Service (CBS)
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Call up Test functions (only for service staff)
Below, the responsible control units are listed which have a permanent indicator lamp. These control units
communicate with the instrument cluster control unit via the PT-CAN and K-CAN.
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DSC: Dynamic Stability Control
An active regulation sequence or a fault in the DSC will be indicated by the corresponding indicator and warning
light (ABS, DSC or DTC).
The brake pad wear sensors are also connected to the DSC control unit. The general brake warning light is
actuated if the brake pads wear to the permissible limit. Front and rear brake pad wear is a CBS maintenance
operation (sensor-based).
Similarly, the Run Flat Indicator is integrated in the DSC. The RPA records the wheel speeds using the wheel-
speed sensors. The RPA compares the speeds of the individual wheels and computes an average speed. In this
way the RPA is able to detect a loss of tyre pressure. The RPA fault status is displayed by the RPA indicator and
warning light.
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ACC: Active Cruise Control - E6x only
There are an indicator and warning lights in the instrument cluster for Active Cruise Control (ACC). They
indicate: Object detected or driver override, distance levels 1 to 4.
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AL: active front steering
A fault in the active front steering system is indicated by the corresponding indicator and warning light being
actuated.
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DME or DDE: digital engine electronics or digital diesel electronics
The appropriate indicator and warning light is activated to indicate a fault in the DME or DDE.
Engine oil is a CBS maintenance operation.
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ACSM: Crash safety module
The appropriate indicator and warning light is activated to indicate a fault in the passive safety system (airbag).
The ACSM (= Advanced Crash Safety Module) is connected to the K-CAN.
> E6x before 09/2005
These vehicles have a safety and gateway module (SGM) that is connected to the byteflight.
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LM: light module - E6x only
When the vehicle lighting (e.g. turn signals, main-beam headlights) is actuated, the light module (LM) sends the
information to the instrument cluster and the corresponding indicator and warning lights are actuated.
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FRM: footwell module - E70 only
When the vehicle lighting (e.g. turn signals, main-beam headlights) is actuated, the footwell module (FRM)
sends the information to the instrument cluster and the corresponding indicator and warning lights are actuated.
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EMF: electromechanical parking brake - E70 only
The electromechanical parking brake is a parking brake.
In the event of a failure or malfunction in the EMF, the warning and indicator lamp for the EMF will light up.
When the Automatic Hold button is pressed, "AUTO H" appears under the parking brake indicator lamp.
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TLC: track lane control - only E6x from 03/2007
TLC (also Time to Line Crossing) warns the driver before he leaves his lane. The display that track lane control
is switched on or off appears on the instrument cluster and optionally on the head-up display.
Other control units communicate via the bus to send messages (check-control messages) to the instrument cluster.
The instrument cluster emits these Check-Control messages via symbols in the LCD display.
SBT Instrument cluster E60, E61, E63, E64, E70
BMW AG - TIS
06.02.2013 01:09
Issue status (12/2007) Valid only until next DVD is issued
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