Skoda OCTAVIA 2004 Workshop Manual page 20

01
Readout on V.A.G 1552
Fault number
old
00741
Brake pedal monitor-
ing
Implausible signal
00765
Modulating piston
movement sender
-G149
00777
Accelerator pedal po-
sition sender -G79
Signal too large
Voltage supply
Implausible signal
as appropriate
Accelerator pedal po-
sition sender 1/2
-G79+-G185 1)
Implausible signal
Short circuit to posi-
tive
01044
Engine control unit
incorrectly coded
1) Incorrect fault text readout. The correct readout is:
Accelerator pedal position sender -G79
------------ 01-14 ------------
Possible cause of fault
new
-
♦ Switch incorrectly set
♦ Open circuit in wiring
♦ -F or -F47 faulty
♦ Fuse faulty
♦ Both brake lights faulty
17762
♦ 10-pin connector for injec-
tion pump separated
♦ Injection pump faulty
♦ Open circuit in wiring or
short circuit
18039
♦ Open circuit in wiring
♦ -G79 faulty (idling switch)
18040 ♦ Open circuit in wiring or
short circuit
18047 ♦ Open circuit in wiring
♦ -G79 faulty (idling switch)
- ♦ Short circuit to positive
♦ -G79 faulty
18020
♦ Invalid control unit coding
Self-Diagnosis
Possible effects
♦ Preglow indicator lamp
flashes
♦ Fuse or brake light faulty
♦ Several faults stored
♦ Engine stops
♦ Drivability problems
♦ Engine stops
♦ Speed governed to approx.
1100 rpm as safety meas-
ure
♦ No throttle response
♦ Preglow indicator light
flashes
♦ Fast idling speed
♦ Preglow indicator light
flashes
OCTAVIA
Rectifying fault
- Test -F and -F47 and set
⇒ page 23-44
- Test fuse and brake light
- Inspect plug connection
of injection pump
- Test modulating piston
movement sender
⇒ page 23-45
- Test accelerator pedal po-
sition sender
⇒ page 23-47
- Code control unit
⇒ page 01-23
Edition 02.99
S00.5111.53.20