Testing Injected Quantity And Injectors For Leaks - Skoda Octavia 1997 Workshop Manual

OCTAVIA 1997 2,0 l/85 kW Engine, Fuel Injection and Ignition System
the driver input to the engine control unit completely inde-
pendently of each other (when accelerator is depressed).
Both senders are located in a housing.
Test condition
•
Battery voltage at least 11.5 V.
Testing voltage supply and cables to engine
control unit
–
Remove bottom part of dash panel on left
Work; Rep. Gr. 70.
–
Separate the 6-pin plug connection of the accelerator
pedal position sender.
–
Switch on ignition.
–
Connect the multimeter for voltage measurement to
the following contacts of the connector:
Contact 1 + earth
Contact 1 + 5
Contact 2 + earth
Contact 2 + 3
Specified value: min. 4.5 V
–
If the specified values are not reached:
–
Test cables to accelerator pedal position sender for
open circuit or short circuit to earth or to positive
Current Flow Diagrams, Electrical Fault Finding
and Fitting Locations
If the lines are not found to be faulty:
–
Replace accelerator pedal position sender.
Testing injected quantity and injectors
for leaks
Special tools, test and measuring equipment and
auxiliary items required
Remote control, e.g. -V.A.G 1348/3A-
Adapter, e.g. -V.A.G 1348/3-2-
Measuring glasses, e.g. -V.A.G 1602-
Measuring tool set, e.g. -V.A.G 1594 A, B oder C-
Test condition
•
The fuel pressure must be OK, test
•
Fuel pump relay -J17- OK
•
Fuel temperature 15...20°C.
•
Ambient temperature.
•
The fuel used for testing must conform to the valid
standards.
Edition 01.04
S00.5128.53.20
Body
24-2 page 5
Testing components
24
24-2 3
page