Volkswagen Touran Service Manual: Severely Discharged Battery, Charging with Battery Charger -VAS5903-
| Special tools and workshop equipment
required |
| Battery Charger -VAS5903- |
WARNING
| Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter "Warnings and Safety Precautions". |
|
WARNING
| Batteries that have a light yellow visual indicator
do not have to be tested or charged. Jump starting must
not be used! |
| There is a risk of explosion during testing,
charging or jump starting. |
| These batteries must be replaced. |
|
Caution
| The polarity protection of the charger clamps is not
active in the operation mode "charging severely
discharged batteries/Support mode". Connect the charger
clamps to the battery terminals correctly according to
polarity! |
| During the charging process, always set the
operation mode corresponding with the battery. Refer to
the Battery Charger -VAS5903- Operating Instructions! |
| The severely discharged battery is not recognized by
the charger. Refer to
→ Chapter "Severely Discharged Batteries". |
| Do not touch START/STOP
when battery cables are incorrectly connected! The
charger can be damaged. |
|
| It is not possible for the Battery Charger -VAS5903- to
automatically detect batteries with a voltage under 2 Volts. |
 Note
| Observe the notes in chapter. Refer to
→ Chapter "Severely Discharged Batteries". |
| Severely discharged batteries in vehicles must be replaced
prior to delivery. Pre-existing damage cannot be ruled out. |
| The battery temperature must be at least 10 C (50 F). |
| |
Turn off the ignition and all electrical consumers. |
| |
Plug in the electrical system connector of the charger. The
last selected operation mode is shown on the display. Refer to
→ Chapter "Battery Charger -VAS5903- Device Description". |
|
|
|
| |
Select battery type using INFO. |
| The symbol -1- for "service
charge of wet batteries" or the symbol -2-
for "service charge of Gel/Absorbant Glass Mat (AGM) batteries"
is indicated in the display. |
| |
Set the capacity (Ah) of the battery to be charged with the
corresponding button "Up"↑ or "Down"↓. |
| |
Clamp the red charging clamp "+" to the positive battery
terminal. |
Note
| In the case of vehicles with a start/stop function and an
installed Battery Monitoring Control Module -J367-, the black
charging clamp (-) must be connected to the body ground. The
start/stop system will malfunction if it is connected to the
negative terminal on the battery. |
| |
Connect the black charging clamp "-" to the negative battery
terminal. |
| |
Press START/STOP for
approximately 5 seconds. The menu item "Charging severely
discharged batteries/Support mode" is activated. |
| |
Press the corresponding button "Up"↑
or "Down"↓, to set the respective
battery voltage (6 V, 12 V or 24 V). |
Note
| If no button is touched within five seconds, the battery
charger will return to the main menu (operating mode selection). |
| |
Confirm the selected battery voltage by pressing
START/STOP. |
| Then the inquiry about the correct polarity of the charging
clamps is made. |
| |
Verify that the charger clamps are connected to the correct
polarity. |
| |
Confirm that the charger clamps are connected to the correct
polarity by pressing START/STOP. |
| The charger begins charging the severely discharged battery. |
| End Battery Charging Process |
| |
Remove the black charging clamp "-" of the charger from the
negative battery terminal. |
| |
Remove the red charging clamp "+" of the charger from the
positive battery terminal. |
| |
Pull out the electrical system connector of the charger. |
|
|
|
Special tools and workshop equipment
required
Battery Charger -VAS5900-
WARNING
...
General Information
The support mode provides the vehicle electrical system with
voltage when the battery is removed or disconnected.
...
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Refresh Charging with Battery Charger -VAS5903
Support Mode with Battery Charger -VAS5903