Engine Control Module J623 , Removing And Installing - Audi Q7 2007 Repair Manual

Audi Q7 2007 ➤
Fuel Injection and Ignition - Edition 02.2015
The procedures to follow after connecting the new ECM are de‐
scribed in Guided Fault Finding and Guided Functions.
Note
When ending Guided Fault Finding, the tester attempts to erase
the DTC memory of all control modules. If this is not successful,
the remaining DTCs stored in memory must be corrected until all
DTCs can be erased.
4.2 Engine Control Module - J623- , Remov‐
ing and Installing
Note
Some engine control modules are not equipped with a protective
housing. The removal and installation of the protective housing
depends on the engine and transmission combination.
Special tools and workshop equipment required
♦ Wiring Harness Repair Set - Hot Air Blower - VAS1978/14A-
with nozzle attachment from the Wiring Harness Repair Set -
VAS1978B- .
♦ Small commercially available locking pliers
Note
The engine control module -1- has a protective housing
♦
-2 and 5-. To make removing the shear bolts -4- for the re‐
taining tabs -2- more difficult, the threads are coated with
locking compound.
The metal retainer must be removed in order to disconnect the
♦
connectors from the engine control module, for example to
connect the test box or replace the module.
Removing
– Select "replace engine control module" in the Vehicle Diag‐
nostic Tester under "Guided Functions" if the engine control
module was replaced.
– Turn off the ignition and remove the key.
58
Rep. Gr.24 - Multiport Fuel Injection
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