Fiat Brava Service Manual page 86

Bravo-Brava
Fault diagnosis
Analytical charts
55D.
The central locking is not working
Check the condition of the
fuse 113 protecting the cen­
tral locking system
Not OK
Check for a short circuit in
the system and replace the
fuse 113
OK
Check for voltage at one of
the R coloured cables for
fuse 113
Not OK Restore continuity of R col­
oured cable btwn fuse 113
& ultrasound welding
OK
Check for voltage at the R
coloured cable for the cen­
tral locking control unit 112
Not OK
Restore cont. of R coloured
cable between control unit
112 and fuse 113
OK
Bridge the N coloured cable
at the central locking control
unit with an earth
OK Restore the continuity of the
N coloured cable between
the control unit 112 and the
earth on dashboard 22
Not OK
Extract connectors 35 & 112
from their housings, bridge
H/G coloured cables at con­
trol unit 112 & insert an
ohmmeter at H/G coloured
cables for connector 35
Not OK Restore the continuity for
the H/G coloured cables be­
tween the control unit 112
and the ultrasound welding
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