Thread Wiper Hook Does Not Operate - Toyota ESP9000 Service Manual

2.TROUBLESHOOTING
2-12 Thread wiper hook
does not operate
Thread wiper
mechanism
Thread wiper motor
(pulse motor)
Power circuit board
・ Thread wiper hook may need cleaning
(lint, dust, etc.)
・ Upper thread hook lever may be deformed
Item
Thread
wiper
hook return
Guide pin
Push the guide pin down as
far as it will go in the direction
of the arrow and check the
returning movement of the pin.
Connection
of power
connector
Connector
①－⑥
Resistance
Disconnect
connector
resistance between ① and
⑤, ② and ⑥, ③and ⑤, ④
and ⑥ with a circuit tester.
Connection
of
connector
CN 6
Check
condition visually.
-15-
Preliminary inspection
Method
the power
and check the
CN6
the connection
Standard Action
Must Adjust.
return See
smoothly P.28.
.
Must be Connect
connecte correctly.
d
correctly.
4.8～6.0 Replace.
Ω See
P.53.
Must be Replace.
connecte See
d P.45.
correctly.