Skoda OCTAVIA 2004 Workshop Manual page 21

OCTAVIA
Readout on V.A.G 1552
Fault number
old new
01117 17911
Load signal for
generator tml. DF
Implausible sig-
nal
01180
Engine/air condi-
tioning compres-
sor electrical con-
nection
Short-circuit to
positive
01193 19460
Low heat output
relay -J359
Line interruption
or short-circuit
to earth
19459
Short-circuit to
positive
Edition 09.03
S00.5111.55.20
Possible cause of fault
♦ Line interruption between
AC generator and diesel
direct injection system
control unit -J248-
♦ AC generator defective
♦ Voltage regulator on AC
generator defective
-
♦ Short-circuit in the wiring
♦ Line interruption
♦ Low heat output relay
-J359 defective
♦ Short-circuit to earth
♦ Short-circuit to positive
Self-Diagnosis
Possible effects
♦ Auxiliary heater not opera-
tional
♦ Reduced vehicle accelera-
tion, when the air conditio-
ning system is switched on
♦ Engine preheating not op-
erational
♦ Engine preheating is on
♦ Engine preheating not op-
erational
Rectifying fault
- Check wiring Binder:
Current Flow Diagrams,
Electrical Fault Finding
and Fitting locations
- Check AC generator Re-
pair Group 27; AC genera-
tor
- Reading measured value
block, display group 016
page 01-37
- Testing signals from/to the
air conditioning system
page 23-49.
- Check wiring
Binder: Current Flow Dia-
grams, Electrical Fault
Finding and Fitting loca-
tions
- Check low heat output re-
lay page 01-18, Actua-
tor diagnosis
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