Toyota Celica Supra 1986 Service And Repair Manual page 572

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BODY ELECTRICAL SYSTEM - Wipers and Washers
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Front Wiper Motor
INSPECTION OF FR ONT WIPER MOTOR
1. INSPECT THAT MOTOR OPERATES AT LOW SPEED
(a) Disconnect the connector from the wiper motor.
(b) Connect the positive
(+)
lead from the battery to
terminal 2. Connect the negative (-) lead to the
motor body.
(c) Check that the motor operates at low speed.
2. INSPECT THAT MOTOR OPERATES AT HIGH SPEED
(a) Disconnect the connector from the wiper motor.
(b) Connect the positive
(+)
lead from the battery to
terminal 1. Connect the negative (- ) lead to
the
motor body.
(c) Check that the motor operates at high speed.
3. INSPECT THAT MOTOR OPERATES, STOPPING AT
RAISED POSITION
(a) Connect the positive
(+)
lead from the battery to
terminal 2. Connect the negative (- ) lead to the
motor body.
(b) Operates the motor at low
speed.
(c) Stop the motor operation to d isconnect the battery
terminals except at the raised position.
(d) Connect terminals 2 and 3.
(e) Connect the positive
(+)
lead from the battery to
terminal 4. Connect the negative(-) lead to terminal
7.
(f) Inspect that the motor stops running at raised posi·
tion after the motor operate a9Bin.
If operation is not as specified, replace the motor.