Audi A4: Engine Control Module
Overview - Engine Control Module
![Overview - Engine Control Module](images/books/2001/A24-11690.png)
1 - Bolt
2 - Mount
- For the Engine Control Module -J623-
3 - Engine Control Module -J623-
- Before replacing perform the "01 - mechanical engine, functions"
listed adaptation using the Vehicle Diagnostic Tester.
- Removing and installing. Refer to
→ Chapter "Engine Control Module -J623-, Removing and Installing".
4 - Bolt
5 - Suspension Strut Tower
Engine Control Module -J623-, Removing and Installing
Removing
Note
If the engine control module is replaced, perform the Guided
Functions "01 - Control module, replacing" using the Vehicle
Diagnostic Tester.
- Open the retainers in the direction of
-arrows- and remove the Engine Control Module -J623--2-.
- Disconnect the connectors -1-.
![A24-11624](images/books/2001/A24-11624.png)
Installing
Install in reverse order of removal and note the following:
- If the Engine Control Module -J623- is replaced, perform the
"01 - mechanical engine, functions" listed adaptation using the
Vehicle Diagnostic Tester.
Special Tools
Special tools and workshop equipment required
- Engine Bung Set -VAS6122-
![W00-11228](images/books/2001/W00-11228.png)
READ NEXT:
Exhaust Pipes/Mufflers
Overview - Muffler
Overview - Muffler, FWD Vehicle
1 - Retaining Loop
Replace if damaged
Exhaust system, installing without tension. Refer to
→ Chapter "Exh
Vehicles with a High-Voltage System (Hybrid Vehicles)
Working on Vehicles with High-Voltage System (Hybrid Vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-volta
SEE MORE:
Servicing Station, Connecting for Measuring and Testing
- Turn off the ignition.
- Connect the service station to the power supply.
- Connect the quick-release coupling adapter to the charging
hoses of service station (handwheels not screwed in/hand
shut-off valve not open).
- 
Description
Applies to: vehicles with exit warning system
Fig. 122 Approaching traffic detected
Fig. 123 Front door: exit warning
General information
Within system limits, the exit warning system
can detect traffic approaching from behind such
as vehicles, and provide assistance based on this
in