With the key switch in the OFF position:
•
there is battery voltage between termi-
nals 5-26 and terminal 5-frame earth
(fixed power supply). If there is no volt-
age, check the key switch contacts,
that fuse no. 10 and its cable are work-
ing order.
•
There is continuity between terminals
12-18 with the emergency cut-off
switch in the RUN position. If there is
no continuity check the contacts of the
switch.
If no faults are found, replace the electronic control
unit.
After removing the shield back plate, remove the
electrical connection from the aerial as shown in
the photograph
Remove the protective base from the connector.
MP3 400 i.e. Injection
INJEC - 29