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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1265 (Electric Drive (Hybrid)) >> 93 Electric Drive >> Hybrid-Specific Components >> Hybrid Battery Unit -Ax1- >> Battery Regulation Control Module -J840-, Removing And Installing >> Removing

Battery Regulation Control Module -J840-, Removing And Installing: Removing

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Read and follow the high voltage electrical equipment general safety precautions. Refer to HIGH VOLTAGE SYSTEM GENERAL WARNINGS .

The Connection and Junction Box 1 -SX1- (E-box) contains high voltage.

  • This can pose health risks for people using electrical medical equipment.
  • Danger of serious burns or death.
  • Only a high voltage technician is permitted work on the Battery Regulation Control Module -J840-.
  • Always use insulated tools whenever working on the Battery Regulation Control Module -J840-.
NOTE:

Get the code from the old control module before removing if the Battery Regulation Control Module -J840- is being replaced. Refer to BATTERY REGULATION CONTROL MODULE -J840-, REPLACING .

WARNING:

Hybrid vehicle high voltage in the high voltage system. Danger of electrocution! The following procedure requires working on the high voltage system. Disable the high voltage system now. Refer to DISABLING THE HIGH VOLTAGE SYSTEM .

-- Disable the high voltage system. Refer to DISABLING THE HIGH VOLTAGE SYSTEM .

-- Remove the Hybrid Battery Unit -AX1-. Refer to HYBRID BATTERY UNIT -AX1-, REMOVING AND INSTALLING .

-- Remove the eight bolts -1- and remove the cover for the Connection and Junction Box 1 -SX1- (E-box).

Fig 1: Identifying 8 Bolts -1-, Removal
GWWN93-10039Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen both bolts -2- on the service plug mount.

Fig 2: Identifying Plug Mount Bolts
GWWN93-10040Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Cut the cable tie -arrow-.

Fig 3: 3 Connectors -1-, -2- And -3
GWWN93-10041Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release and disconnect the three connectors -1, 2 and 3- from the Battery Regulation Control Module -J840-.

-- Remove both bolts -3- from the Battery Regulation Control Module -J840- using an insulated tool that has a magnet.

Fig 4: Identifying Both Bolts -3- From Battery Regulation Control Module, Removal
GWWN93-10042Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Lift the Battery Regulation Control Module -J840- and then release and disconnect the connectors -4 and 5-.

Fig 5: Lift The Battery Regulation Control Module And Disconnect The Connectors -4- And -5-.
GWWN93-10043Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Lift the Battery Regulation Control Module -J840- upward out of the E-box.

Fig 6: Disconnect The Connector -6- On The Battery Regulation Control Module
GWWN93-10044Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release and disconnect the connector -6- from the Battery Regulation Control Module -J840- and remove it together with the wiring harness if the Battery Regulation Control Module -J840- is going to be replaced.

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