Toyota 8FGU15 Repair Manual

8-182 8 TROUBLESHOOTING
Control type
Phenomenon on
vehicle
Malfunction area
and mode
Checking method Corrective action
OPS
Material handling
OPS does not oper-
ate.
▪ C/V tilt control
valve:
Stuck (internal
damage)
Turn the tilt solenoid
OFF and operate to
forward tilt using an
active test.
If forward tilt can be
performed, replace
the C/V tilt control
valve.
▪ C/V backward tilt
lock valve:
Stuck (internal
damage)
Turn the backward
tilt lock solenoid
OFF and operate to
backward tilt using
an active test.
If backward tilt can
be performed, re-
place the C/V tilt
control valve.
▪ C/V lift lower
lock valve:
Stuck (internal
damage)
Using an active test,
turn the lift lower
lock solenoid OFF
and perform lower
operation.
If lowering can be
performed, replace
the C/V lift lower
lock valve.
▪ C/V unload
valve:
Stuck (internal
damage)
For cowl lever
vehicles:
Turn the unload
valve solenoid ON
and perform lift rais-
ing operation using
an active test.
For mini lever, joy-
stick lever vehicles:
Turn the unload
valve solenoid OFF
and perform lift rais-
ing operation using
an active test.
If raising can be per-
formed, replace the
C/V unload valve.
▪ Seat switch unit:
Short fault (in-
ternal damage)
▪ Seat switch line
(Signal, ground):
Disconnection
fault (Harness,
connector)
ON/OFF check with
analyzer
Harness check or re-
place switch
▪ SAS/OPS con-
troller, OPS con-
troller:
Controller defect
- Replace

Toyota 8FGU15 Specifications

General

Model	8FGU15
Category	Forklifts
Engine Type	Internal Combustion
Load Capacity	3000 lbs
Lift Height	189 inches
Tire Type	Pneumatic
Engine	Toyota 4Y
Power Source	Gasoline