A/C - LCD Display Temporarily Dark During Daylight
SI B 64 05 05Heating and Air Conditioning
January 2008
Technical Service
This Service Information bulletin supersedes SI B64 05 05 dated September 2006.
[NEW] designates changes to this revision
SUBJECT:
IHKA Control Panel LCD Display Temporarily Dark during Daylight
MODEL:
E90, E91 (3 Series) vehicles produced up to June 6, 2005
SITUATION
The customer notices that the LCD display on the IHKA (Automatic Heating and Air Conditioning) intermittently dims in daylight. Operating the light switch restores the display to normal.
CAUSE
IHKA control panel
PROCEDURE
This problem has been integrated into the BMW diagnosis system. Follow diagnostics and the relevant test plan(s), using the latest diagnosis version. The test plan is accessed as follows from the "Fault symptom selection" screen: "6200 Display and information systems /620005 Control panel display sporadically dark".
1. Transfer the selected symptom to "Accepted symptoms".
2. Page right and select the test plan "Fault profile 2:IHKA integrated automatic heating/air conditioning W6210_WAS2".
3. Follow the instructions provided in the test plan.
[NEW] WARRANTY INFORMATION
For information only
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