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Home >> Audi >> 2012 >> A6 2.0T >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Electrical System - (Battery, Starter & Generator) >> 27 Battery, Starter And Generator >> Removal And Installation >> Battery -A-, Disconnecting And Connecting

Battery -A-, Disconnecting And Connecting

Observe notes on contact corrosion. Refer to CONTACT CORROSION .

CAUTION:

Accident risk.

  • When working on pyrotechnic components (such as airbags and belt tensioners), the battery must be disconnected with the ignition switched on, contrary to the following description. Refer to PYROTECHNIC COMPONENTS SAFETY PRECAUTIONS .

Disconnecting 

Fig 1: Disconnecting Battery
GWWA27-10233Courtesy of AUDI OF AMERICA, LLC

-- Switch ignition off.

-- Lift the luggage compartment floor covering by the handle and fold it forward.

-- Open the cover -3- over the battery negative terminal.

-- Loosen the nut -1- several turns and remove the ground wire terminal clamp -2- from the battery terminal.

Connecting 

Fig 2: Connecting Battery
GWWA27-10252Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -3- on the battery monitoring control module -J367- -1-.

-- Connect the ground terminal to the battery negative pole (-) by hand and tighten the nut -1-.

-- Connect the electrical connector on the battery monitoring control module.

When the battery is connected, the following steps must be performed:

NOTE:

After connecting the power supply, the ABS warning lamp may only go out after the vehicle has been driven a few yards.