Battery Regulation Control Module, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

If the Battery Regulation Control Module -J840- is replaced, then it is always necessary to perform the work procedure for replacing the Battery Regulation Control Module -J840- before removing it. Refer to BATTERY REGULATION CONTROL MODULE, REPLACING .

-- De-energize the high-voltage system. Refer to High Voltage System, De-Energizing .

-- Push the connector -2- of the pilot line all the way in the direction of the -arrow A-.

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-- Remove the bolts -B arrows-.

-- Remove the cover for the high-voltage connection -1-.

-- Remove caps -1- from the high-voltage contacts in direction of -arrow-.

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-- Remove the bolts -2- and -arrows- and carefully pull out the High-Voltage Wiring Harness for High-Voltage Battery -PX1- -1-.

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NOTE:

Be careful not to damage the seals on the high-voltage cables.

-- Reinstall the protective caps -1- on the HV contacts opposite the direction of the -arrow-.

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-- Remove the bolts -2- for the cover -1-.

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-- Remove the bolts and nuts -3 and 4- from the cover -1- and then remove the cover -1- from the Hybrid Battery Unit -AX1- -2-.

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-- Draw sketches or take pictures of the wires for the correct reinstallation.

-- Unclip the wiring harness -1- from the bracket -2-.

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-- Release the connector -3- on the Battery Regulation Control Module -J840- and disconnect.

-- Release the catches -arrows- on the contact protection -1-.

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-- Remove the contact protection -1- from the bracket -2-.

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WARNING:

Check the potential equalization between the high-voltage cable -1- and the battery module housing.

There must be potential equalization between the high-voltage cable -1- and the battery module housing.

-- Remove the three bolts -2- for the measuring cables -3- in the bracket -4-.

-- Free up the wiring harness -3- to the side.

-- Install the contact protection -1- back on the bracket -2-.

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-- Remove the bolts -A arrows-.

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-- Remove the High-Voltage System Maintenance Connector -TW- -1- mount slightly and at the same time release and disconnect the connector -arrow B-.

-- Remove the bolts -A arrows-.

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-- Unclip the retainer -1- on the Battery Regulation Control Module -J840- -B arrows-.

-- Pivot the retainer -1- together with the mount High-Voltage System Maintenance Connector -TW- to the side.

-- Remove the bolts -arrows- on the high-voltage battery switch box -1-.

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-- Carefully lift the Battery Regulation Control Module -J840- -1- together with the high-voltage battery switch box.

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-- At the same time release the connectors -2- through -8- on the Battery Regulation Control Module -J840- -1- one after the other from above downward and disconnect.

-- Remove the Battery Regulation Control Module -J840- -1-.