Skoda OCTAVIA MK1 Service Manual page 152

Short circuit to ⇒ Cylinder 1 fault code "01249" ⇒ Cylinder 1
positive
Short circuit to
earth
Output open
01252
Injector cyl. 4
-N33-
Short circuit to ⇒ Cylinder 1 fault code "01249" ⇒ Cylinder 1
positive
Short circuit to
earth
Output open
Readout on Possible cause of fault
-V.A.G 1552
-
01259
Fuel pump
relay -J17-
defective
Line interruption or short
circuit to positive
t
between engine control
unit and fuel pump relay
Fuel pump relay
t
defective
Signal output in the
engine control unit
t
defective (engine control
unit defective)
Note
fault code
"01249"
fault code
"01249"
Possible effects
Line interruption or
short circuit to
t
positive (no engine
running)
152
⇒ Cylinder 1 fault code
"01249".
⇒ Cylinder 1 fault code
"01249".
Rectifying fault
Remove open circuit in wiring
or short circuit according to
–
current flow diagram
→ Current flow diagrams and
Fitting locations.
Test fuel pump relay and
–
control → Chapter.
Replacing engine control unit
–
→ Chapter.