Skoda OCTAVIA 2004 Workshop Manual page 32

01
Final control diagnosis
Fuel cut-off valve -N109
Final control diagnosis
Charge pressure control solenoid valve -N75
Final control diagnosis
Glow plugs relay -J52
Final control diagnosis
Glow period warning light -K29
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Self-Diagnosis
- Press the → key.
K Readout in display:
→
The engine should stop.
If the engine does not stop:
- Switch off the ignition.
- Unscrew fuel cut-off valve and clean any
metal swarf and dirt.
- Repeat final control diagnosis; if the engine
again does not stop, replace fuel cut-off
valve.
- Press the → key.
K Readout in display:
→
The solenoid valve should click.
Note:
It is very difficult to hear the clicking of the valve
and it should therefore be checked by touching.
If the solenoid valve does not click:
- Test charge pressure control solenoid valve
page 23-24.
- Press the → key.
K Readout in display:
→
The relay should click.
Because of the high power consumption of
the glow plugs, it is also possible to check
that the relay switches on and off by observ-
ing how the interior light becomes dimmer
and then brighter.
If the relay does not click:
- Test glow plugs relay
Current Flow Diagrams, Electrical Fault
Finding and Fitting Locations binder
- Press the → key.
K Readout in display:
→
The warning light should flash.
OCTAVIA
Edition 05.97
S00.5111.51.20