Removing Control Unit For Gas-Discharge Headlight

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Voltage drop

Risk of irreparable damage to control unit
Risk of damage to control unit
Fault entries in the control unit
Coding in the control unit is aborted
Malfunctions in control unit, even during programming

→ Prior to disconnecting the control unit, switch off ignition and remove ignition key.

→ Ensure that the power supply is not interrupted during programming.

→ Connect a battery charger with a current rating of at least → Nominal value: 40 A to the vehicle battery.

Information

Some of the repair illustrations show only one side of the vehicle .
Naturally, some steps also have to be performed on the opposite side of the vehicle as well .

Fig 1: Identifying Position Of Control Unit For Gas-Discharge Headlight
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Loosen fastening screw -1- and -2- .

Fig 2: Loosening Control Unit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove control unit for gas-discharge headlight -arrow- .

Fig 3: Removing Control Unit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.