TSRM/MK3 Supra/Repair Manual
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BE/Body Electrical System, page 33

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Body Electrical System — MK3 Supra Body Electrical System, page 33
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Page text (OCR transcript)
Front Wiper Motor

INSPECT MOTOR

1. INSPECT MOTOR OPERATES AT LOW SPEED
(a) Disconnect the connector from the wiper motor.
(b) Connect the positive (+) lead from the battery to terminal 2 and the negative (—) lead to the motor body.
(c) Check that the motor operates at low speed.

2. INSPECT MOTOR OPERATES AT HIGH SPEED
(a) Connect the positive (+) lead from the battery to terminal 1 and the negative (—) lead to the motor body.
(b) Check that the motor operates at high speed.

3. INSPECT MOTOR OPERATES, STOPPING AT STOP POSITION
(a) Operate the motor at low speed.
(b) Stop motor operation anywhere except at the off position by disconnecting terminal 2.
(c) Connect terminals 2 and 3.
(d) Connect the positive (+) lead from the battery to terminal 4.
(e) Check that the motor stops running at the stop position after the motor operates again.
If operation is not as specified, replace the motor.

Front Washer Motor

INSPECT MOTOR

INSPECT WASHER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and negative (—) lead to terminal 1, check that the motor operates.
NOTICE: These tests must be performed quickly (Within 20 seconds) to prevent the coil from burning out.
If operation is not as specified, replace the motor.