No Material Handling Can Be Performed (Ops) - Toyota 8FGU15 Repair Manual

8 TROUBLESHOOTING
Phenomenon on
Control type
vehicle
Cowl lever, mini
lever, joystick lever
vehicles:
OPS
No material handling
can be performed.
Malfunction area
Checking method
and mode
▪ Seat switch unit:
Open fault (in-
ternal damage)
ON/OFF check with
▪ Seat switch line
analyzer
(Signal, ground):
Disconnection
fault (Harness,
connector)
For cowl lever
vehicles:
Turn the unload
valve solenoid OFF
and perform lift rais-
▪ C/V unload ing operation using
valve: an active test.
Stuck (internal For mini lever, joy-
damage) stick lever vehicles:
Turn the unload
valve solenoid ON
and perform lift rais-
ing operation using
an active test.
▪ SAS/OPS con-
troller, OPS con-
-
troller:
Controller defect
8-183
Corrective action
Harness check or re-
place switch
If raising cannot be
performed, replace
the C/V unload
valve.
Replace
8