Redundancy Control Unit Bracket Removal And Installation/Replacement

Mobile Repair Possible: No

Overview:

Fig 1: Redundancy Control Unit Bracket Components Location

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WARNING: Electricity hazard
Failure to follow specified procedures may result in death or serious injury from electric shock when working on or near high-voltage components.

Only authorized and appropriately trained persons may carry out work on high-voltage vehicles and components.
Perform High Voltage isolation procedure prior to commencing work
Ensure appropriate Personal Protective Equipment is worn until the system is verified safe

WARNING: Hot surface
Failure to follow specified procedures may result in severe injuries due to burns or scalds.

Do not commence work until components/liquids have sufficiently cooled down.
Always use personal protective equipment (PPE).

NOTE: Contamination
Contamination or moisture entering the cooling system can lead to malfunction or functional failure.

The vehicle cooling system and any removed components should be capped/sealed during work to prevent contamination entry

Removal Procedure:

Disable HV-System. Refer to HV-SYSTEM DISABLING/ENABLING
Disconnect the 12V battery negative terminal. Refer to 12V BATTERY NEGATIVE CABLE DISCONNECTION/CONNECTION
Remove front trunk. Refer to FRONT TRUNK REPLACEMENT

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Remove 6 bolts (1) and unthread the holder at the top.
Torque: 8 Nm

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Remove 2 bolts (1).
Torque: 29.5 Nm
Remove 2 bolts (2).
Torque: 8 Nm

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Disconnect electrical connector (1) from the redundancy control unit.

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Remove front brake pipe (1).
Remove 3 bolts (2) and remove the bracket with the redundancy control unit attached
Torque: 20 Nm

Replacement Procedure:

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Fit the holder (1) for the brake pipe to the new bracket.
Fit the 3 bushes to the new bracket.
Installed the redundancy control unit into the new bracket
Installed the 3 screws (2) to secure the redundancy control unit to the new bracket.
Torque: 11 Nm

Installation Procedure:

Installation is the reverse of removal procedure, noting the following.
All fasteners must be tightened to torque specification!
Install front trunk. Refer to FRONT TRUNK REPLACEMENT
Reconnect the 12V battery negative terminal. Refer to 12V BATTERY NEGATIVE CABLE DISCONNECTION/CONNECTION
Enable HV-System. Refer to HV-SYSTEM DISABLING/ENABLING
Diagnostics, Programming and Setup. Refer to DIAGNOSTICS, PROGRAMMING AND SETUP USING SCAN TOOL IN SERVICE