1 Series E87 116i (N45) 5-door
Have the auxiliary consumer units been switched off?
>
E65, E66
PM: power module
Is there a break in the connection from the control units to the battery?
Is the battery fully discharged?
>
E70
JBE: Junction box electronics
Have the auxiliary consumer units been switched off?
>
E81, E87, E90, E91, E92, E93
JBE: Junction box electronics
Have the auxiliary consumer units been switched off?
Step 2: Check communication with CD or CCC or CHAMP or M-ASK or RAD2
A check is performed as to whether the communication with the following control units is OK:
>
R56
CCC or RAD2: Car Communication Computer or radio 2 (Radio Boost)
>
E65, E66
CD: Control display
>
E60, E61, E63, E64
CCC or M-ASK or CHAMP: Car Communication Computer or multi-audio system controller or Central Head
unit And Multimedia Platform
>
E70
CCC or M-ASK or CHAMP: Car Communication Computer or multi-audio system controller or Central Head
unit And Multimedia Platform
>
E81, E87, E90, E91, E92, E93
RAD2: radio 2 (BMW radio "Professional")
If there is a problem with the communication, the appropriate fault is displayed.
The test module is ended.
If communications with the headset are OK, continue with step 3.
(Headset: In the field of automobiles, the headset is the user interface for systems that are not essential for
driving, for example navigation, mobile telephone or radio. Headset is a collective term for various control units,
for example CCC, CHAMP, M-ASK, e.g in MOST system analysis).
Step 3: Check MOST ring
Is the MOST ring closed?
If the MOST ring has been interrupted a fault message is displayed. The test module is ended and reference
given to the ring interruption diagnosis.
If the MOST ring is closed, continue with step 4.
Step 4: Check MOST configuration
This step checks whether the fault "MOST-Ring: desired/actual configuration do not coincide" is stored.
Depending on the model series concerned, the fault is stored in the following control units:
>
R56
CCC: Car Communication Computer
SBT Bus diagnosis All models from E60
BMW AG - TIS
17.01.2013 07:18
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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