Battery -A-, DISCONNECTING AND CONNECTING, 0K4 AND VH2: Connecting
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-- Disconnect the connector -2- from the Battery Monitoring Control Module -J367- -item 3-.
-- Attach the battery ground cable clamp by hand to the battery negative terminal "-" and tighten the nut -1-.
-- Reconnect the connector to the Battery Monitoring Control Module -J367-.
-- 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 appropriate Service Information.
- 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