Fault diagnosis
Analytical charts
Btavo-Btava
55D.
Bridge AG & GV coloured
cables at con. B for steering
column switch unit 7
OK Check the condition of the
steering column switch unit,
overhaul it or replace it
Not OK
Check for voltage at the GV
coloured cable for the
igni-
tion switch 12
OK Check the condition of the
ignition switch 12, overhaul
it or replace it
Not OK
Check for voltage at the GV
coloured cable connector B
steering col. switch unit 7
OK
Not OK
Restore continuity for GV
coloured cable between
steering column switch unit
7 and ignition switch 12
Check for voltage at the AG
coloured cable for the
igni-
tion switch 12
OK Restore continuity for AG
coloured cable between ig-
nition switch 12 and
steer-
ing column switch unit 7
Not OK
Check the condition of the
ignition switch 12
Not OK Overhaul or replace the
switch 12
The left front
and
right rear side lights and
the
left no. plate light
are not
working
Check the condition of the
fuse 3 in the junction unit
Not OK Check for a short circuit in
the system and replace the
fuse 3
OK
4
Print no. 506.670/02
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