Electric Drive Power And Control Electronics, Removing And Installing: Installing

WARNING: This page is about a different car, the 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Install in the reverse order of removal while noting the following:

-- Install the Electric Drive Power and Control Electronics -JX1-.

The 12 V and the high-voltage connections are not yet connected to the high-voltage component
The potential equalization cable is installed correctly and is connected to the high-voltage component

-- Perform the potential equalization measurement. Refer to POTENTIAL EQUALIZATION MEASUREMENT .

Use undiluted coolant additive as a lubricant to assemble the coolant hoses. Refer to the Parts Information.

Install in reverse order of removal. Note the following:

-- If the Electric Drive Power and Control Electronics -JX1- is replaced then the Drive Motor Rotor Position Sensor 1 -G713- must be adapted.

-- Connect the Vehicle Diagnostic Tester.

-- Select and start the Diagnostic operating mode.

-- Select the Test plan tab.

-- Select the Select individual test button and select the following tree structure consecutively:

Body
Electrical system
01 - OBD-capable systems
51 - Electrical Drive Control Module - J841
51 - Electric Drive, Functions
51 - Basic Setting

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.

-- Follow all steps after connecting the battery. Refer to BATTERY .

-- Fill with coolant. Refer to COOLANT, DRAINING AND FILLING, VEHICLE WITH HIGH-VOLTAGE SYSTEM, HIGH-VOLTAGE SYSTEM COOLANT CIRCUIT .

CAUTION:

There is a risk of fatal injury due to high voltage.

Electrocution by direct contact or electric arc can cause severe bodily injury or fatal injury.

- Have an Audi high-voltage technician or an Audi high-voltage expert bring the high-voltage system back into service.

-- Re-energize the high-voltage system. Refer to HIGH-VOLTAGE SYSTEM, RE-ENERGIZING .