Engine Control Unit; Removing And Installing Engine Control Unit J623 - Skoda Octavia III 2013 Workshop Manual

Octavia III 2013 ➤ , Octavia III 2014 ➤
1.6/66; 77; 81; 2.0/105; 110; 135 kW TDI CR engine - Edition 07.2014
7

Engine control unit

⇒ "7.1 Removing and installing engine control unit J623 ",
page 366
7.1 Removing and installing engine control
unit - J623-
⇒ "7.1.1 Removing and installing engine control unit J623 ", page
366
⇒ "7.1.2 Removing and installing engine control unit J623 , en‐
gine control unit with protective housing", page 366
7.1.1 Removing and installing engine control
unit - J623-
Removing
Note
If the engine control unit is replaced, the must be ⇒ Vehicle
♦
diagnostic tester connected and the function "replace engine
control unit" must be carried out.
If the adjustment values of the injection units can no longer be
♦
read from the old (defective) engine control unit, these adjust‐
ment values must be manually entered into the new engine
control unit and adapted to it.
Caution
If the engine control unit touches the plus pole of the battery,
this will destroy the engine control unit.
– Unlock catch in -direction of the arrow- and remove the engine
control unit -1-.
– Unlock plug connections for engine control unit - J623- and
pull off.
Install
Installation is carried out in the reverse order.
After installing a new engine control unit, the following work step
must be performed
– Activate engine control unit ⇒ Vehicle diagnostic tester.
7.1.2 Removing and installing engine control
unit - J623- , engine control unit with
protective housing
Removing
Special tools and workshop equipment required
♦ commercially available miniature grinder
♦ Hot air blower , e.g. -VAS 1978/14A- with push-on nozzle from
wiring harness repair set , e.g. -VAS 1978 B-
366
Rep. gr.23 - Mixture preparation - injection