Tween The Control Unit 112; And The Ultrasound Welding; Restore Continuity Of The N; Coloured Cable Between The - Fiat Brava Service Manual

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 cont. of R coloured
cable between fuse 113 &
ultrasound welding
OK
Check for voltage at the R
coloured cable for the cen­
tral locking control unit 112
Not OK Restore continuity of R
coloured cable between
control unit 11 2 & fuse 113
OK
Bridge the N coloured cable
at the central door locking
control unit with an earth
OK
Restore continuity of N
coloured cable between
control unit 112 & earth on
dashboard 22
Not OK
Extract connectors 35 & 112
from their housings, bridge
H/G coloured cables at the
control unit 112 & insert an
ohmmeter at H/G coloured
cables for the 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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