Backward Tilt Automatic Fork Leveling Does Not Stop - Toyota 8FGU15 Repair Manual

8 TROUBLESHOOTING
Phenomenon on
Control type
vehicle
Mini lever, joystick
lever vehicles:
Backward tilt auto-
matic fork leveling
does not stop. (Con-
tinues to tilt to back-
ward most tilt posi-
tion without stopping
at the level position)
Mini lever function
Mini lever, joystick
lever vehicles
Backward tilt auto-
matic fork leveling
does not stop.
(Stops at a position
slightly off the level
position)
Malfunction area
Checking method
and mode
▪ Tilt angle sensor
unit:
Tilt angle sensor
Sensor defect voltage check:
▪ Tilt angle sensor Tilt to forward and
installation: backward tilt posi-
tions and check the
Link, installation
voltage change.
part destroyed,
damaged
▪ Horizontal
matching value
for tilt angle
sensor:
-
Does not match
actual status (re-
match)
▪ Automatic fork
leveling switch
unit:
Open fault (in-
ternal damage)
▪ Automatic fork
leveling switch
detection mech-
anism (mini
lever, joystick
lever)
ON/OFF check with
analyzer
Detection part
gap adjustment
defect
▪ Automatic fork
leveling switch
line (Power sup-
ply, signal,
ground):
Disconnection
fault (Harness,
connector)
▪ Display setting:
Backward tilt
Check the option set
automatic fork
content
leveling is deac-
tivated
▪ SAS/OPS con-
troller:
-
Controller defect
Refer to forward tilt
automatic fork level-
ing does not stop
(stops at the position -
where the automatic
leveling switch is
pressed).
8-173
Corrective action
If there is no
change, perform an
installation check or
replace the sensor.
Follow matching pro-
cedure to rematch.
Harness check or re-
place switch
Change
Replace
-
8