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– Pull the two clips -1- of the primary locking system downwards
in -direction of arrow- and pull the two connectors -A- and
-B- off the onboard supply control unit - J519- -2-.
– Press the two locking buttons -3- and pull onboard supply
control unit - J519- -2- out of the holder, starting at the bottom.
Installing
Install in the reverse order of removal, observing the following:
– First insert the onboard supply control unit - J519- -2- into the
top mountings -1- on the holder and then push unit into catches
at bottom -3- until it engages audibly.
Replacing onboard power supply control unit
This programme helps you to replace the onboard supply control
unit. After replacement, the control unit must be coded online,
after which the factory mode must be deactivated and the data
bus diagnostic interface - J533- recoded. The programmes will be
entered in the test schedule.
– Renew onboard power supply control unit ⇒ Vehicle diagnostic
tester.
Coding onboard supply control unit
– Coding onboard supply control unit ⇒ Vehicle diagnostic test‐
er.
Adapting onboard supply control unit
The following components can be adapted with this function:
♦ Adapting remote control unit key
♦ Checking remote control unit key
♦ Deactivating factory mode
Final control diagnosis of onboard supply control unit
A final control test of the following components can be carried out
with this function:
♦ Lighting
♦ Windscreen wipe/wash system
♦ Heating for windscreen, rear-window, seat and mirror
♦ Central locking system
♦ Warning, monitoring and sliding/tilting sunroof
♦ Windows
– Perform final control diagnosis of onboard supply control unit
⇒ Vehicle diagnostic tester.
2.2
Removing and installing data bus diag‐
nostic interface - J533-
The functions of the data bus diagnostic interface - J533- are in‐
tegrated in the onboard supply control unit - J519- . The data bus
diagnostic interface - J533- cannot be replaced separately.
– Removing and installing onboard supply control unit - J519-
⇒ page 153
.
Electrical system - Edition 03.2017
2. Select Control units
up! 2012 ➤
155
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