Operation CHARM: Car repair manuals for everyone.

Battery, Preparing For Charging






Battery, Preparing for Charging

Procedure


Risk of explosion on discharged battery with visual indicator.

If the visual indicator has no color or is light yellow, the battery may not be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, charging or jump starting. The battery must be replaced.

Before the battery charger can be connected, the following preparations are necessary:

It is recommended that the battery be charged with terminal clamps disconnected.

It is recommended to charge the battery when it is still connected on vehicles with a battery monitoring control module (J367). This is the only way to ensure the charging current is incorporated into the capacity calculation for the battery monitoring control module.

- Switch off ignition, switch off all electrical consumers and remove ignition key.

Battery in Engine Compartment






- Remove battery cover - 1 - by pressing release button - arrow -.

Vehicles without battery monitoring control module






- Loosen nut - 3 - a few turns and remove ground cable terminal clamp from battery terminal.

- Loosen nut - 2 - a few turns and remove positive cable terminal clamp from battery terminal.

Disregard item - 1 -.

Continuation for all






- Connect the red cable clamp + - 5 - from the battery charger - 1 - to the positive terminal - 4 - and the black cable clamp - - item 2 - to the ground terminal - 3 -.

Battery in luggage compartment






- Release retaining clamps - arrow - in engine compartment and open cover - 3 - over positive terminal grip.

- Connect battery charger red charging clamp + - item 1 - to positive terminal grip - 2 - and black charging clamp - - item 4 - to negative terminal grip - 5 -.

Continuation for all

- Connect battery charger electrical system connector and switch charger on.

- Keep the hood or rear lid open while charging.