TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
SUPPORT
SYSTEM
- VEHICLE
LIGHTING
Symptom-62
BLACKOUT
STOPLIGHT
WILL
NOT
LIGHT.
~
~oT~
This procedure
is to be performed
by
two
persons.
The
lead
person
is
referred
to as the first technician
and
shall direct the activity of the second
person called the second technician.
I
J
Check if service
stoplight
will light.
~
ISecondTechnician(OperatorsStation)
l
l
l
First
l
Set MASTER
BATTERY
switch
ON.
On LIGHTING
CONTROL
switch,
turn LIGHTING
CONTROL
lever to STOPLIGHT.
Press
and hold
brake
pedal.
Technician
(Rear
Grille
Doors)
Visually
check
if service
stoplight
lights
when
brake
pedal
is pressed.
l Check stoplight
switch at
brake master
cylinder
for
continuity.
l See Step
@
.
/
\
4-618
SERVICE
BLACKOUT
STOPLIGHT
STOPLIGHT
(LEFT
TAILLIGHT)
LIGHTING
MASTER
BATTERY
/
CONTROL
SWITCH
SWITCH
b
MASTER
CONTROL
PANEL
TA1073O7