Final Control Diagnosis - Skoda Octavia Workshop Manual

01
Test of vehicle systems
Select function XX
Test of vehicle systems

03 - Final control diagnosis

Final control diagnosis
Commencement of injection valve -N108
Final control diagnosis
EGR valve -N18
Final control diagnosis
AC compressor cut-off
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Self-Diagnosis
HELP
K Readout in display:
- Press the keys 0 and 3 for the function „Fi-
nal control diagnosis".
Q K Readout in display:
- Confirm the entry with the key Q.
K Readout in display:
When the valve is actuated, a clearly audi-
ble change in the combustion noise can be
heard (clattering noise).
If no change in the combustion noise can be
heard:
- Test injection timing control range
⇒ 1.9-ltr./66 kW (TDI) Engine, Fuel Injection
and Glow Plug System
- Press the
K Readout in display:
The valve should click.
Note:
The clicking of the valve cannot be heard be-
cause of the engine noise and should therefore
be sensed by touching.
If the valve does not click:
- Test EGR valve
⇒ 1.9-ltr./66 kW (TDI) Engine, Fuel Injection
and Glow Plug System
- Press the
K Readout in display:
What is tested is the AC compressor cut-
off.
The test step is also displayed on vehicles
without air conditioning.
The AC compressor should stop within 5
seconds (visual inspection with electric
torch), and then should start and stop again
approximately every 5 seconds.
If the AC compressor is not cut off:
- Test AC compressor cut-off
⇒ 1.9-ltr./66 kW (TDI) Engine, Fuel Injection
and Glow Plug System
key.
key.
OCTAVIA
Edition 09.97
S00.5113.51.20