Ford TRADER Workshop Manual page 763

T
EXTERIOR LIGHTING SYSTEM
Turn function does not operate
+
Fuse inspeCtion
•
A
Short-circuit i'n wire harness
Replace fuse after repairing
J
Check T.URN 15A fuse in fuse box
harness
• Normal
t
YES
1. Turn engine switch ON
2. Set turn switch to left or right
turn
+
Turn switch inspection
e
Check BIL wire and BIR wire volt-
H
Open-circuit in wire harness
Repair wire harness
I
age at turn switch connector (8-pin
(Fuse-Turn switch)
connector) .
• Battery voltage
1
YES
Turn switeh inspection
.,
Check BIW wire voltage at turn
A
'h If .
Replace turn switch
I
Turn SWltc ma unction
switch connector (8-pin connector)
• Battery voltage
t
YES
Flasher unit inspection
•
Check BIW wire voltage of flasher
M
Open-circuit in wire harness
Repair wire harness
J
unit connector (3-pin connector)
(Turn switch-Flasher unit)
• Battery voltage
I
YES
Flasher unit inspection
.,
1. Connect jumper wire between
NO
Repair ground
J
ground and B wire at flasher
R
Poor ground
unit connector
2. Check flasher unit operation
• Does not operate
1
YES
Turn switch inspection
•
Open-circuit in wire harness
I
IN~
H
Repair wire harness
Check G/R wire voltage at turn
(Flasher unit-Turn switch)
Check flasher unit
switch connector (8-pin connector)
Flasher unit malfunction
• Battery voltage
~
YES
Turn switch inspection
•
1. Set turn switch left or right turn
A
Turn switch malfunction
2. Check GIS wire (left) or GIW
Replace turn switch
I
wire (right) voltage at turn switch
connector
• Battery voltage
t
YES
Turn light inspection
•
1. Disconnect turn light connector
M
Open-circuit in wire harness
Repair wire harness
I
2. Check G/B wire (right: GIW wire)
(Turn switch-Turn light)
voltage at turn light connector
• Battery voltage
I
Y~I Poor ground
Repair ground
I
-I
Bulb malfunction
Replace bulb
9TGOTX-033
T-26