Toyota 7BPUE15 Service Manual page 357

Section 9. Theory of Operation
Pinout Matrix
CURRENT LIMIT
NC
NC
NC
JPT12-13
JPT12-18 PUMP CTRL
JPT12-16 TRAVEL ALARM
JPT12-14
WARNING
LIGHT
JPT12-2 1
RELAY
JPT12-9 L/H SOL CTRL
Toyota Orderpicker Model 7BPUE 15 Service Manual
Same as PSI on the steer power head.
Same as PSI on the steer power head.
Same as PSI on the steer power head.
contactor coil and the Travel Alarm. It
comes from the STM through FU1 and is
dependant on B+PC at JPT12-1.
Path for the STM to supply B- to the
contactor. There is also an LED (116-5) on
the STM that will light when B- is supplied
to the coil. Voltages are measured with
X
meter leads on the coil and Y .
Path for the STM to supply B- to the Travel
Alarm. There is also an LED (116-2) on the
STM that will light when B- is supplied.
Voltages are measured with meter leads
on terminals and 2 of travel alarm.
Path for the STM to supply B- to the
warning light. There is also an LED (116-1)
on the STM that will light when B- is
supplied. Voltages are measured with
meter leads on terminals and 2 of the
light.
lower solenoids, P C contactor coil and the
brake coil. It comes from the STM through
the K1 relay and is dependant on B+F
from FU2.
Path for the STM to supply B- to the L/H
solenoid. There is also an LED (116-9) on
the STM that will light when B- is supplied
to the coil. Voltages are measured with
meter leads on solenoid coil 1 and 2.
P
contactor closed
O V w/PC
contactor open
P
Not activated=
Activated= less
than V.
Not activated=
Activated= less
than
Not activated=
Activated= less
than V.
closed
O V w/EPO open
Not activated=
Activated= less
than 1 V.
00700-CL222-05, 1 5 March 2005
STM Warning
Light,
P
contactor
coil and
Travel
Alarm
P
Contactor
STM
STM Travel
Alarm
STM Warning
Light
LH, LL
STM
solenoids,
P C and
Brake coils,
Steer
Controller
Card
STM Load
Holding
Solenoid
Coil