Toyota 62-8FDU15, Руководство по ремонту

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8-175 8 TROUBLESHOOTING
Control type
Phenomenon on
vehicle Malfunction area
and mode
Checking method Corrective action
Active steering con-
trol
Knob moves out of
alignment into a cer-
tain position.
(More than 10° off
the straight ahead
position)
▪ Tire angle
sensor unit:
Sensor defect
▪ Tire angle
sensor installa-
tion:
Looseness of
the attachment
part, damage,
bearing housing
damage
Tire angle sensor
voltage check: Oper-
ate the steering and
check the change in
voltage.
If there is no
change, perform an
installation check or
replace the sensor.
▪ Tire angle
sensor matching
value:
Does not match
actual status (re-
match)
-
Follow matching pro-
cedure to rematch.
▪ Steering angle
sensor unit:
Sensor defect
▪ Steering angle
sensor installa-
tion:
Cam or steering
wheel defect
ON/OFF check with
analyzer Harness check or re-
place sensor
▪ Knob compensa-
tion valve unit:
Leak, stuck, (in-
ternal damage)
Using an active test,
turn the knob com-
pensation SOL ON
and OFF and oper-
ate the steering at
the tire end.
SOL ON: check that
the steering wheel
can be turned freely.
SOL OFF: Check
that the steering
wheel cannot be
turned freely (steer-
ing is heavy).
Replace
▪ SAS/OPS con-
troller:
Controller defect
- Replace
8