Volkswagen CJDA Workshop Manual page 441

Test procedure
– Pull 94-pin connector off engine control unit -J623-.
– Using adapter cable -V.A.G 1598/39-2-, connect test box
-V.A.G 1598/42- to engine control unit and to
-connections A and B- of test box. The control unit wiring
harness is not connected by this action.
– Check terminal resistor in engine control unit:
– To do this, connect multimeter to following test box contacts
using test leads from -V.A.G 1594- to measure resistance:
◆ 67 + 68
● Specification: 60...72 Ω
If the specification is not attained:
– Renew engine control unit -J623-
If specification is attained:
– Eliminate the fault in the wiring and in other data bus compo-
nents referring to current flow diagram
flow diagrams.
– Then, read event memory of engine control unit, and clear
event memory if necessary
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
⇒ P age
418.
⇒ P age
486, current
⇒ P age
26, read event memory.
Industriemotoren - Industrial Engines 2009 ▶
3 Engine control unit -J623-
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