Skoda Octavia Workshop Manual page 36

01
Read out on display of V.A.G 1552
00660
Kick-down switch/throttle valve
potentiometer
Implausible signal
01166
2)
Signal for engine torque
Implausible signal
00192
Clutch for torque converter
lockup
Mechanical fault
1)
First check plug connections for contact corrosion or water penetration and replace if necessary.
2) Only for automatic gearbox with databus (CAN databus) see Current Flow Diagram as of Model year 1998.
Note for fault code 00660:
A kick-down signal must be detected by the gearbox
control unit, if the recognised ratio of the throttle valve
value/accelerator pedal value is less than 95 %.
------------ ------------
Self-Diagnosis/Electrical Test
Possible cause of fault
Wire defective between Kick-down
switch and gearbox control unit.
Throttle valve control unit -J338 de-
fective.
Throttle control cable incorrectly ad-
justed.
Kick-down switch -F8 defective.
Incorrect or missing signal for en-
gine torque from engine control unit
to gearbox control unit.
Plug connection between ribbon ca-
ble/slide valve body and wiring har-
ness.
Ribbon cable to slide valve body de-
fective and not detected by self-di-
agnosis.
Engine, gearbox, gearbox output
speed is defective and not detected
by self-diagnosis.
Solenoid valve 4 -N91 or the slide
valve operated by it jams.
Clutch for torque converter lockup or
mechanical fault in torque converter.
Note for fault code 00192:
Rectifying fault
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Fault rectification of fault code 00518.
- Reading measured value block ⇒ page
01-16 Display group number 001.
- Perform electrical test ⇒ page 01-29.
- Adjust throttle control cable or replace
⇒ Repair Group 23 for diesel engine.
⇒ Repair Group 24 for petrol engine.
- Check engine control unit, replace if neces-
sary ⇒ Repair Group 01 and 24 of the rel-
evant engine.
- Check wiring and plug connections accord-
ing to the ⇒ Current Flow Diagrams, Electri-
cal Fault Finding and Fitting locations.
- Perform electrical test ⇒ page 01-29.
- Replace ribbon cable ⇒ page 38-18.
- Perform fault rectification of fault codes
00281 and 00529.
- Reading measured value block ⇒ page
01-16 Display group number 007 and if nec-
essary replace solenoid valve slide valve
body ⇒ page 38-12.
- Replace torque converter ⇒ page 32-1.
Condition for fault recognition: The ratio between en-
gine to gearbox output speed is implausible when clutch
for torque converter lockup is closed.
OCTAVIA
1)
1)
Edition 06.03
S00.5116.60.20