Audi Q3 Owners & Service Manuals

Audi Q3: Battery in Luggage Compartment, Removing and Installing

  Note

If the battery is to be replaced, connect the battery charger for battery support mode. Refer to → Electrical Equipment General Information; Rep. Gr.27; Battery, Charging.

Removing

- Turn off the ignition.

- Vehicles with ignition lock: Remove the key.

- Remove the luggage compartment floor panel cover.

- On vehicles with a subwoofer disconnect the connector -4-, remove the bolt -2- and remove the subwoofer -3-.

- Remove the molded insert -1-.

- Remove the bolts -arrows-.

- If equipped, free up the wiring harness -3-.

- Remove the battery cover -1-.

Audi Q3. A27-10440

- Remove the heat shield -2- from the battery.

- Remove the cover -8- over the battery negative terminal.

- Loosen the nut -1- several turns and remove the battery ground cable terminal -2- from the battery negative terminal.

- Remove the cover -5- over the battery positive terminal.

- Loosen the nut -3- a few turns and disconnect the battery positive cable terminal -4- and the main fuse panel from the battery pole.

- Remove the bolt -6- on the battery bracket -7-.

- Disconnect the central gas vent hose -9-.

Audi Q3. A27-10473

- Remove the battery from the battery tray and remove it from the luggage compartment.

  WARNING

Pollution risk.

Battery and sulfuric acid disposal regulations must be followed when disposing of batteries. Refer to → Electrical Equipment General Information; Rep. Gr.27; Battery.

Installing

  Note

  • Only maintenance-free batteries conforming to standards "TL82506" (from 12/1997) and "VW75073" (from 08/2001) may be installed.
  • Batteries from the Audi Parts Program have a bottom strip-adapter for adapting to different grip channels. For information on how to use the base strip adapter, if applicable, see the battery operating instructions.

- Install the battery in the battery tray -1- so that the battery clamping strip fits into the strip -arrow- in the battery tray.

Audi Q3. A27-10515

  • It should no longer be possible to move the battery.

- Install the battery bracket -1-.

  • The mounts -arrows- on the battery mounting bracket must fit into the openings on the battery tray.

- Tighten the bolt -2- on the battery bracket.

- Attach the hose -6- for the central venting system.

- Turn off the ignition and all electrical consumers, and connect the battery in the following sequence:

- First connect the battery positive cable terminal -4- to the battery positive pole "+" by hand and tighten the nut -3-.

Audi Q3. A27-10441

- Close the cover -5- over the battery positive terminal.

  Note

If the connector -2- on the Battery Monitoring Control Module -J367--3- comes loosen when connecting the battery, wait 30 seconds before connecting it again.

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

- Make sure the battery is secure after installation.

- Close the cover over the battery negative terminal.

Audi Q3. A27-10516

- If the battery was replaced, then the new battery must be adapted using the Vehicle Diagnostic Tester.

Procedure

Vehicle Diagnostic Tester is attached.

- Choose operation mode Diagnosis and start the diagnosis.

- Select the tab test plan.

- Select select individual tests and choose the following sequence.

  • Body
  • Electrical Equipment
  • 27 - Starter, voltage supply
  • Electrical Components
  • A - Adapt battery after replacing

The Vehicle Diagnostic Tester continues from here onward.

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

  • Activate the one-touch up/one-touch down power window regulators. Refer to the Owner's Manual.
  • Check DTC memories of all control modules and erase "Undervoltage" DTC if necessary. Refer to Vehicle Diagnostic Tester.

  Note

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

Audi Q3. A27-10252

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