Volkswagen Golf Service & Repair Manual: Charging battery in support mode with battery charger -VAS 5903-
| The support mode provides the onboard supply with power when
the battery is removed or disconnected. |
| For further information, refer to the
→ operating manual VAS 5903. |
| The support mode is suitable in the following situations: |
| Support mode of onboard supplies without installed battery |
| Power conservation when renewing the battery |
| Ancillaries test without battery |
WARNING
| Danger of injury! Observe warning notices and safety
regulations
→ Chapter! |
|
WARNING
| It is not permissible to test or charge batteries
whose magic eye shows light yellow. Do not slave/jump
start the vehicle! |
| Danger of explosion when checking and charging or
slave/jump starting. |
| These batteries must be renewed. |
|
| – |
Switch off ignition and all electrical consumers. |
Caution
| The terminal polarity protection in operating mode
“charging totally discharged batteries/support mode” is
not active. Connect battery charger terminal clamps
correctly to battery terminals. |
| It can cause sparks through a short-circuit. |
| Ensure charger terminal clamps are seated securely. |
| Do not press START / STOP
button when charger unit cables are connected
incorrectly. The charger unit may be damaged. |
|
| – |
Connect charger plug to battery charger. The last selected
operating mode will appear on display
→ Chapter. |
Caution
| When battery is removed, ensure there is no contact
between terminal clamp connected to positive clamp and
body earth. Also ensure there is no contact between
battery clamps. |
|
| – |
Connect red terminal clamp “+” to positive terminal of
vehicle. |
 Note
| In vehicles with start/stop function and battery monitor
control unit -J367- fitted, black terminal clamp must be
connected to body earth. Connecting it to battery negative
terminal will cause start/stop system to malfunction. |
| – |
Connect black terminal clamp “+” to negative terminal of
vehicle. |
| – |
Press START / STOP for approx. 5
seconds. The menu “charging totally discharged batteries/support
mode” will be activated. |
| – |
Press respective button “Up”↑ or
“Down”↓ to set respective battery
voltage (6 V, 12 V or 24 V). |
Note
| If a button is not pressed within 5 seconds the charger will
return to the main menu (select operating mode). |
| – |
Confirm the selected battery voltage with
START / STOP. |
| Then follows the enquiry for "is charger cable terminal
polarity correct". |
| – |
Check polarity of charger unit cables. |
| – |
Confirm polarity of charger unit cables with
START / STOP. |
| The battery charger starts with support mode. |
| End battery support mode: |
| – |
Disconnect black terminal clamp “-” of charger unit from
negative terminal of vehicle. |
| – |
Disconnect red terminal clamp “+” of charger unit from
positive terminal of vehicle. |
| – |
Pull charger plug out of battery charger. |
|
|
|
WARNING
Danger of injury! Observe warning notices and safety
regulations
→ Chapter!
...
Note
When a battery is being charged in the maintenance mode and
an electrical consumer draws current from the battery, the
battery charger -VAS ...
Other materials:
Removing and installing backrest cover and backrest padding
Volkswagen R GmbH, optional equipment
»R«
Note
Removal and installation is described for the left seat.
Apply the same instructions for removal and installation of
right seat components as appropriate.
...
Removing and installing roof aerial -RX5-
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
Note
Aerial wirings are directly plugged at the base of roof
aerial -RX5-.
...
Radar sensor
Fig. 174 In the front bumper: radar sensor
First read and observe the introductory information
and safety warnings A radar sensor is fitted to the front bumper to monitor
the traffic situation . Vehicles travelling ahead can thus be detected up to a
distance of approximately 120 m.
T ...
© 2016-2026 Copyright www.vwgolf.org
Charging totally discharged battery with battery charger -VAS 5903-
Charging battery in maintenance mode with battery charger -VAS 5903-