Volkswagen Golf Mk7 Service & Repair Manual: Disconnecting and connecting battery, vehicles with high-voltage system

Caution: the same pyrotechnic safety instructions apply on e-Golf/GTE models — the battery must be disconnected with the ignition switched off.

Caution 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, interior; Rep. gr.00. Special tools and workshop equipment required

Torque wrench -V.A.G 1783- Disconnecting –  Switch off ignition. –  Remove ignition key, if inserted. –  Remove luggage compartment floor from vehicle towards rear.

–  Unscrew nuts -arrows- for battery cover -1-. –  Swing battery cover -1- upwards.

–  Open cover -4- for negative battery terminal. –  Loosen nut -1- several turns and disconnect battery terminal clamp -3- of earth cable from negative battery terminal.

Connecting Observe the following when connecting the battery -A-: –  Unplug electrical connector -2- at battery monitor control unit -J367--3-. –  Fit battery terminal clamp of earth cable to negative battery terminal “–” by hand. –  Tighten nut -1-. –  Plug electrical connector -2- back into battery monitor control unit -J367--3-. –  Switch on ignition. –  Check time and adjust, if necessary. –  Open windows completely, then close them. –  Then, with windows closed, pull window regulator switches until relay can be heard to switch. –  Check convenience mode of the window regulators. With convenience closing activated, windows must close fully without the need for holding the window regulator switch.   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. Specified torques → Chapter „Assembly overview – battery, vehicles with high-voltage system“

Questions & answers

Disconnecting and connecting battery, vehicles with high-voltage system — Volkswagen Golf Mk7

How do I disconnect the Golf Mk7 battery (HV vehicle)?

De-energise HV system first. Then same sequence: negative first off, positive first on.

Disconnecting and connecting battery, vehicles without high-voltage system

  Caution Observe the following instructions and precautions on safety when working on pyrotechnic components: ...

Removing and installing battery tray

Special tools and workshop equipment required     Torque wrench -V.A.G 1331- Removin ...

Other materials:

• Removing and installing earth wire with battery monitor control unit -J367-, vehicles without high-voltage system
• Removing and installing battery, vehicles with high-voltage system
• Removing and installing battery tray
• Assembly overview – battery, vehicles with high-voltage system
• Disconnecting and connecting battery, vehicles without high-voltage system