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(3) Solenoid
(4) Clutch
Step Check Result Remedy
1
Does the output signal of the master board change from H to
L when the solenoid is turned on?
NO
Replace the master
board.
YES
Replace the sole-
noid.
Step Check Result Remedy
1
Does the output signal of the master board change from H to
L when the clutch is activated?
NO
Replace the master
board.
YES Replace the clutch.
1
2
2
1
2
1
4025T522AA
4025T528AA