Skoda OCTAVIA MK1 Service Manual page 259

Before starting the test, the fault
memories of the control units which are
connected to the engine control unit via
l
the data bus must be interrogated
(automatic test sequence, address word
00).
Self-diagnosis has determined a fault in
l
the data bus.
The ABS control unit is coded for the data
l
bus operation.
Vehicles with automatic gearbox
Vehicles fitted with a manual gearbox
Remove plenum chamber cover:
–
→ Electrical System → Rep.
Unlock plug connection and remove from
–
engine control unit.
Connect test box -V.A.G 1598/22 - at
–
wiring loom to the engine control unit.
Check databus cables with the
– terminating resistance in the ABS control
unit:
Measure resistance between test box
–
sockets 29 and 31.
For vehicles ► 04.99
Specified value: 115...135 Ω.
For vehicles 05.99 ►
Specified value: 2.3...2.8 kΩ.
For all vehicles
If the measured value corresponds to the
specified value →
If the measured value does not correspond
to the specified value:
– Remove air filter:
→ Anchor.
Gr.92.
Anchor.
259