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Removing and installing battery > < Disconnecting and connecting battery, models with starter battery in engine compartment

Polo Mk5

Disconnecting and connecting battery, models with starter battery in luggage compartment
Disconnecting and connecting battery, models with starter battery in luggage compartment
The battery is located under the temporary spare wheel in the luggage compartment.
  WARNING
t  Battery isolator improves crash safety on vehicles with battery installed in luggage compartment. In an accident, the airbag control unit triggers a charge that separates the supply line to the starter and the engine electronics. Battery isolation is performed pyrotechnically, with a very small explosive charge. To ensure that the charge is not triggered accidentally when working on the battery or the battery isolator, it is essential that the battery is first disconnected → Anchor.
t  Observe safety measures when working on the battery isolator → Chapter.
t  Observe notes for disposal of battery isolation units → Chapter.
Special tools and workshop equipment required
   
t  Torque wrench -V.A.G 1331-
Disconnecting:
  Note
t  Disconnecting the battery involves deactivating the anti-theft coding → Chapter.
t  Disconnecting the battery earth cable (open circuit) ensures safety when working on the electrical system.
t  The battery positive wire need only be disconnected for removal of the battery.
–  Switch off ignition and all electrical consumers.
  W00-0427
–  Remove securing nut -1- and take out the temporary spare wheel.
  N27-10889
–  Remove securing bolts -arrows- and remove battery cover.
  N27-10890
–  Remove negative terminal cover -1-.
  N27-10891
–  Unscrew battery earth terminal clamp -A- from battery negative terminal.
Connecting:
  Note
After the battery has been connected and ignition is switched on, the ESP and TCS warning lamp -K155- will light up permanently. The warning lamp will go out automatically when the vehicle is driven at 15 to 20 km/h in a straight line. This has the effect of reactivating the steering angle sender -G85-.
–  Carry out steps as detailed in the table.
Steps after connecting battery
  N27-10892
ProcedurePerformed
Ignition with ignition key: switch on ignition and then switch off again. 
Read event memory: → Guided fault finding using VAS 5051A. 
Check time on clock and change as necessary. 
Open all electric windows fully and close again. Actuate then switch in closing direction and hold for 2 seconds (closing and opening actuation). 
Functional check: check all electrical consumers. 

Table can be printed out if necessary.
   

Removing and installing battery > < Disconnecting and connecting battery, models with starter battery in engine compartment