Fiat Brava Service Manual page 39

Fault diagnosis
Analytical charts
Btavo-Brava
55D.
Both the dipped headlamps are not woikiiig when operated by the steering column switch unit
Bridge HR & CB coloured
cables at connector B for
steering col. switch unit 7
OK Overhaul or replace steering
column switch unit 7
Not OK
Check for voltage at the HR
coloured cable, connector F
pin 1 of the junction unit 4
Not OK Restore the continuity of the
HR coloured cable between
the junction unit 4 & the
steering col. switch unit 7
OK
Check the condition of the
junction unit 4
Not OK Overhaul or replace the
junction unit 4
Both the dipped headlamps are not working with the main beam headlamps on
Bridge the R and HR col­
oured cables at the dipped
headlamps relay 5
OK Overhaul or replace the relay
5
Not OK
Bridge the R and LR col­
oured cables at relay 5
OK Overhaul or replace the relay
5
Not OK
Bridge the N coloured cable
at relay 5 with an earth
OK Restore the continuity of the
N coloured cable between
the relay 5 and the earth on
dashboard 22
12
Print no. 506.670/02