WASHER MOTOR

id091900001600

Purpose, Function

• The washer motor supplies washer fluid in the washer tank to the washer nozzles.

Construction

• The washer motor is located on the washer tank.

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Operation

Windshield washer

1. When the windshield washer switch is on (1), the start stop unit detects (2) a windshield washer switch on signal.

2. The start stop unit sends (3) the windshield washer switch on signal to the BCM via CAN communication.

3. When the BCM receives the windshield washer switch on signal, it sends (4) the windshield washer operation request signal to the electrical supply unit (ESU) via LIN communication.

4. When the electrical supply unit (ESU) receives the windshield washer operation request signal, the washer motor is driven (5) and washer fluid is ejected from the windshield washer nozzles.

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Rear washer

1. When the rear wiper and washer switch is in the rear washer position (1), the start stop unit detects (2) a the rear washer switch on signal.

2. The start stop unit sends (3) the rear washer switch on signal to the BCM via CAN communication.

3. When the BCM receives the rear washer switch on signal, it sends (4) the rear washer operation request signal to the electrical supply unit (ESU) via LIN communication.

4. When the electrical supply unit (ESU) receives the rear washer operation request signal, the washer motor is driven (5) and washer fluid is ejected from the rear washer nozzle.

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Fail-safe

• Not applicable