Volkswagen Jetta 2011 Service Manual page 87

– Remove control unit -2- from centre tunnel.
Installing
WARNING
♦ Follow safety regulations for pyrotechnic components
⇒ page 1 .
♦ Before handling pyrotechnic components (e.g. connecting
the electrical connector), the person handling them must
ensure that he/she is "electrically discharged". To do this
e.g. briefly touch the door striker plate.
Install in reverse order, but note the following:
Note
Ensure electrical connector is pushed fully onto stop and engages
audibly.
WARNING
Battery must be connected with ignition switched on. If pyro‐
technic components (e.g. airbag, seat belt tensioners) are
repaired incorrectly, undesired triggering may occur after the
battery is connected. Ensure that nobody is in vehicle when
connecting battery.
– Connect battery earth cable with ignition switched on ⇒ Elec‐
trical system; Rep. gr. 27 ; Battery; Connecting and discon‐
necting battery .
Note
If airbag warning lamp -K75- indicates a fault following instal‐
♦
lation, event memory must be read, deleted and then read
again ⇒ Vehicle diagnostic tester.
If a new airbag control unit -J234- is installed, the control unit
♦
must be encoded ⇒ Vehicle diagnostic tester.
Installation tips: for example tightening torques, renewing com‐
ponents
⇒ "4.1 Assembly overview - airbag control unit", page 79
Jetta 2011 ➤ , Jetta Hybrid 2013 ➤
General body repairs, interior - Edition 06.2012
.
81
4. Airbag control unit