Testing Operating States Of Engine - Skoda Octavia Workshop Manual

24
Test of vehicle systems
Select function XX
Read measured value block
Enter display group number XXX
Read measured value block 4
850 rpm 32 %
------------ ------------
Fuel Preparation/Fuel Injection
HELP
HELP
255 01000000
Testing engine operating states
Note:
What is tested is whether the engine control unit
(J382) detects the operating states of the engine
(idling, part load, full load, overrun).
Special tools, testers and aids required
♦ Vehicle system tester V.A.G 1552 with cable
V.A.G 1551/3
Test condition
l Coolant temperature at least 80 °C
Test procedure
- Connect vehicle system tester V.A.G 1552
and select engine electronics control unit with
the address word 01. The engine should be
running at idling speed for this step.
(Connecting vehicle system tester and
selecting engine electronics control unit
⇒ page 01-2.)
K Readout in display:
- Press keys 0 and 8 for the function „Read
measured value block" and confirm the entry
with the key Q.
K Readout in display:
- Press the keys 004 for "Display group number
004" and confirm the entry with the key Q.
K Readout in display:
- Check the 8-digit numerical block in display
block 4:
(Ignore the 4 right-hand places)
Readout in operating state
♦ Idling:
nd
2 place from left must indicate 1
Readout: 01000000
OCTAVIA
Edition 11.98
S00.5109.51.20