Skoda OCTAVIA MK1 Service Manual page 150

defective
t
Note
t Regarding fault code 01163:
t The engine can be restarted after erasing the fault memory
Readout on Possible cause of fault
-V.A.G 1552-
01243
Valve for
variable intake
manifold
changeover -
N156-
Output open
Line interruption or short-
circuit to positive or earth
between the valve for
t
variable intake manifold
changeover -N156- and the
engine control unit
Short circuit to
Voltage supply for -N156-
t
positive
defective
Short circuit to
t
earth
Signal output in the engine
t control unit defective (engine
control unit defective)
01247
Activated
charcoal filter
system
solenoid valve
1 -N80-
Short circuit to
Line interruption or short
positive
t circuit to positive between -
N80- and engine control unit
Engine control unit
defective
-N156- defective
Engine does Replacing engine control unit
t –
not start →
Possible effects Rectifying fault
reduced
t
performance
possible
t
irregular idling
150
Chapter.
→ Chapter.
Remove open circuit in
wiring or short circuit
– according to current flow
diagram → Current flow
diagrams and Fitting
locations.
– Check -N156-
Replacing engine control
–
unit → Chapter.
– Remove open circuit in
wiring or short circuit
according to current flow
diagram → Current flow
→ Chapter.