Ford TRADER Workshop Manual page 772

Fog lights do not operate
t
Light inspection
•
Check bulb
• Normal
t
YES
1. Turn engine switch ON
2. Turn light switch ON
t
Fog light switch inspection
•
Check RIB wire voltage at fog light
switch connector (2-pin connector)
• Battery voltage
+
YES
Turn fog light switch ON
t
Fog light switch inspection
•
Check B/l wire voltage at fog light
switch connector
• Battery voltage
t
YES
Fog light inspection
•
Check B/l wire voltage at fog light
connector
• Battery voltage
t
YES
Fog light inspection
•
1. Disconnect fog light connector
(B wire)
2. Check continuity between B wire
and ground
• Continuity
I
One fog light does not operate
Bulb malfunction
Poor ground
Replace bulb
Repair
gro~nd
. EXTERIOR LIGHTING SYSTEM
T
NO
Replace bulb
I
M
Open-circuit in wire harness (Fog
light switch-Combination switch)
Repair wire harness
I
I
N~
I
Fog light switch malfunction Replace fog light switch
I
M
Open-circuit in wire harness
(Fog light switch-Fog light)
Repair wire harness
I
NO
R
Poor ground Repair ground
I
YES
Fog light malfunction Replace fog light
I
9TGOTX-Q46
9TGOTX-<l47
T-35