Instruments - Clock Resets/Battery May Become Discharged

SI B 62 05 07
Instruments

March 2007
Technical Service

SUBJECT
Clock Resets and/or Battery Discharged

MODEL
E70 (X5)

SITUATION
The customer states that the clock resets. In extreme cases the battery may become discharged.

INSTR (Instrument Cluster) fault "A559 Supply was switched off (terminal 30g_f)" may be stored.

CAUSE
The terminal 30g_f fault stored in the Instrument Cluster does not indicate a defect in the cluster, rather a disconnection of the power supply of the instrument cluster by the JBE (Junction Box Electronics), to
protect the battery from becoming fully discharged. This disconnection can be caused by any one of the following:

^ Frequent wakeups

^ Closed circuit current faults

^ Sleeping inhibited

^ Driving profile

^ Starting capability limit reached

PROCEDURE

Follow the DIS test plan for the instrument cluster fault. The test plan will be amended to bring up the Energy Diagnosis test plan. The Energy Diagnosis test plan can also be called up manually by selecting "Function selection/Complete vehicle/Body/Power supply/Energy diagnosis/Execute energy diagnosis".

Once you get to the results screen "The energy diagnosis procedure analyzed following information from the vehicle:" select [1] Notable information (number 1). The number that is indicated in parenthesis is the number of most likely causes. Always select button [1] first and continue troubleshooting as per the test plan.

Refer to SI B61 08 00 for more information on closed circuit current diagnosis.

WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.

Defect Code Refer to KSD

Labor Operation: Refer to KSD

Labor Allowance: Refer to KSD





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