BMW E85 Service Training page 35

E85 Instrument cluster
Test function 19: locking and unlocking test functions
Only the first two test functions are freely accessible.
All further test functions are locked from the third test function.
The lock can only be removed by means of test function 19.
In test function 19, the display switches in intervals of 1 second
from L_on to L_oFF (Lock on and Lock off).
The test functions are unlocked or locked by pressing the left
setting button (S/R for Set/Reset).
Unlocking test functions
If while L_oFF is displayed the left setting button (S/R for Set/
Reset) in the instrument cluster is pressed, the test functions
remain unlocked or are unlocked.
The display jumps to test function 0.
Locking test functions
If while L_on is displayed the left setting button (S/R for Set/
Reset) in the instrument cluster is pressed, the test functions
remain locked or are locked.
The test functions must otherwise always be locked by means of
the test function 19.
Note:
The test functions are always locked after a terminal has been
changed.
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