BMW ONBOARD COMPUTER Bedienungsanleitung PDF herunterladen (Seite 8)

E46 Driver Information

DYNAMIC DIGITAL INPUTS

DISTANCE SIGNAL- This input is supplied to the cluster by the ABS/ASC+T control mod-

ule as a square wave signal. Pulses from the left rear wheel speed sensor are processed

by the ABS module to produce this signal. The cluster electronics process the input for the

cluster display and pass the signal along, on the K bus, as speed signal “A” for other con-

trol modules requiring the vehicle speed signal.

CAN BUS SIGNALS- The “Ti” , engine temperature and “TD” signals are produced by

the DME control module and sent to the cluster. The cluster also passes the TD signal

out over the K Bus.

TRANSMISSION DATA- The AGS control module provides the range selector position,

driving program and fault lamp activation signals to the cluster over the CAN line.

OIL TEMPERATURE - This input is a pulse width modulated signal from the Electronic Oil

Level Sensor. As oil level decreases the pulse width of the signal increases. If the signal

shows an oil level that is too low over a period of time, the instrument cluster will illuminate

the Oil Warning indicator LED in yellow.

DIMMER SIGNAL - This is a pulse-width modulated signal from the LSZ. It is used to con-

trol the intensity of the back lighting of the instruments and the LCDs when the lights are

switched ON. This signal is also output over the “K” Bus.

K-BUS SIGNALLING - The Cluster receives signals for the Check Control Pictogram over

the K-Bus.

DSC

CAN

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BMW ONBOARD COMPUTER Bedienungsanleitung Seite 8