Battery -A-, DISCONNECTING AND CONNECTING: Connecting
WARNING: This page is about a different car, the 2022 Audi SQ7, 2022 Audi S7, and 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
-- Disconnect the connector -2- from the Battery Monitoring Control Module -J367- -3-.
-- To connect the battery ground cable terminal clamp to the battery negative terminal "-" by hand tighten the nut -1-.
-- Reconnect the connector to the Battery Monitoring Control Module -J367-.
Vehicles with 48V System (PR Number VH2/VH3)
-- Re-energize the 48V system. Refer to 48V SYSTEM, RE-ENERGIZING .
When the battery is reconnected, the following steps must be performed:
- Activate the one-touch up/down function for the power window regulators. Refer to the Owner's Manual.
- Check DTC memories of all control modules and delete the displayed entry "Undervoltage" using the Vehicle Diagnostic Tester.
TIP:
After reconnecting the power supply, the ESP warning lamp can only go out after the vehicle has been driven a few meters.
Tightening Specifications
- Refer to OVERVIEW - Battery -A-.