Skoda OCTAVIA MK1 Service Manual page 151

Short circuit to
Voltage supply for -N80-
t
earth
defective
Output open
t
Signal output in the engine
t control unit defective (engine
control unit defective)
01249
Injector cyl. 1
-N30-
Short circuit to
Line interruption or short-
positive
circuit to positive and/or
t
earth between engine control
unit and injection valve
Short circuit to
t Injection valve defective
earth
Output open
Voltage supply for injection
t
valve defective
Signal output in the engine
t control unit defective (engine
control unit defective)
01250
Injector cyl. 2
-N31-
Short circuit to ⇒ Cylinder 1 fault code "01249" ⇒ Cylinder 1
positive
Short circuit to
earth
Output open
01251
Injector cyl. 3
-N32-
-N80- defective
possible
jerking in
t
partial load
region
Vehicle may
t possibly smell
of fuel
irregular
idling, if
t
necessary
engine stalls
fault code
"01249"
151
diagrams and Fitting
locations.
– Check -N80- → Chapter.
Replacing engine control
–
unit → Chapter.
Testing injection valves
–
→ Chapter.
Replacing engine control
–
unit → Chapter.
⇒ Cylinder 1 fault code
"01249".