BMW ONBOARD COMPUTER Bedienungsanleitung PDF herunterladen (Seite 12)

REDUNDANT DATA STORAGE

Specific information is stored redundantly in the instrument cluster and in the Light Switch

Module. The data stored redundantly includes:

• VIN

• Total Mileage

• Service Interval data

The redundant storage

of this information allows

for the replacement of a

module without the loss

of the total mileage

accumulated or the loss

of the SI data.

The data is compared each time KL 15 is switched on. If the data does not match, the

manipulation dot in the mileage display block will be illuminated.

The following points must be noted with regards to the redundant storage of this data.

1. If the vehicle ID number is not the same in both modules, the manipulation dot is illumi-

nated. All functions of both modules continue to operate.

2. Data will only be transferred from the LSZ to the cluster if the ID numbers match and the

cluster mileage is zero.

3. The VIN is entered in the cluster through coding and will only be accepted when the clus-

ter mileage is zero.

4. The stored mileage in the LSZ can only be overwritten by a higher mileage.

5. If the two mileage values stored vary by more than 120, and the VINs are the same, the

cluster will continue to accumulate mileage and a fault will be stored in the cluster for

data transfer.

6. If the K-Bus link fails, the cluster will continue to store mileage and set a fault for the Bus

link.

New components should only be installed for replacement purposes and not for use as test

components for diagnosis as miles will accumulate if the vehicle is driven for road testing

purposes.

E46 Driver Information

UNLEADED GASOLINE ONLY

km/h

MPH

1/min

x1000

100

120

140

160

180

200

220

240

100

120

140

K-BUS

MANIPULATION DOT

LSZ

VIN

TOTAL MILEAGE

SERVICE INTERVAL

INFORMATION

VIN

TOTAL MILEAGE

SERVICE INTERVAL

INFORMATION

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 36 37

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