Skoda OCTAVIA MK1 Service Manual page 207

the relay base and earth.
Specified value: approx. battery voltage
each
If the specified values are not reached,
–
eliminate line interruption
diagrams and Fitting
Test control
Connect the voltage tester to contact 16
–
of the relay base (earth control of the
engine control unit) and to positive.
Switch on the starter motor for a short
–
time.
The voltage tester must light up
–
continuously when operating the starter.
Note
Voltage testers with low power
consumption do not go out fully but keep
on glowing until the starter is operated.
If the actuation of the fuel pump relay as
well as the cable connection and the
–
voltage supply are O.K, however the fuel
pump relay is not activated, the fuel
pump relay must be replaced.
If the voltage tester does not light up, test
wiring as follows:
Connect the test box -V.A.G 1598/22- to
–
the wiring loom of the engine control unit
→ Chapter.
Connect hand multimeter between
–
contact 16 of relay base and socket 4 of
the test box and test wiring for continuity.
If necessary eliminate line interruption
– → Current flow diagrams and Fitting
locations.
If there is no open circuit and the voltage
–
tester does not light up, replace the
engine control unit
– Re-insert the fuse for the fuel pump.
→ Current flow
locations.
→ Chapter.
207