Disconnecting and connecting battery, vehicles with high-voltage system — VW

🧭 Before you start

Fits: VW Golf VII (5G, 2012–2020)

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• After the voltage supply has been switched back on, it still takes several meters of travel for the ESP warning lamp to go out.

📋 Procedure

1. ⚠ Observe the following instructions and precautions on safety when working on pyrotechnic components:Contrary to the following description, the battery must be disconnected with the ignition SWITCHED ON when working on pyrotechnic components (e.g. airbags, belt tensioners) General body repairs, interior00Safety precautions; Safety precautions when working on pyrotechnic components. — Switch off ignition.
2. Remove ignition key, if inserted.
3. Remove luggage compartment floor from vehicle towards rear.
4. Unscrew nuts (arrows) for battery cover (1).
5. Swing battery cover (1) upwards.

6. Open cover (4) for negative battery terminal.
7. Loosen nut (1) several turns and disconnect battery terminal clamp (3) of earth cable from negative battery terminal.
8. Unplug electrical connector (2) at battery monitor control unit J367(3).
9. Fit battery terminal clamp of earth cable to negative battery terminal "“–”" by hand.
10. Tighten nut (1).
11. Plug electrical connector (2) back into battery monitor control unit J367(3).
12. Switch on ignition.
13. Check time and adjust, if necessary.
14. Open windows completely, then close them.
15. Then, with windows closed, pull window regulator switches until relay can be heard to switch.
16. Check convenience mode of the window regulators. [Note: After the voltage supply has been switched back on, it still takes several meters of travel for the ESP warning lamp to go out.]

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