Mazda 6. Manual — part 327

T–68

WIPER AND WASHER

WIPER AND WASHER SWITCH INSPECTION

A6E811666122W02

Windshield Wiper And Washer Switch
Without vehicle-speed sensing type wipers

1. Remove the wiper and washer switch. (See

T–67 WIPER AND WASHER SWITCH REMOVAL/INSTALLATION

)

2. Inspect for continuity between the wiper and

washer switch terminals using an ohmmeter.

• If not as specified, replace the wiper and

washer switch.

With vehicle-speed sensing type wipers

1. Remove the wiper and washer switch. (See

T–67 WIPER AND WASHER SWITCH REMOVAL/INSTALLATION

)

2. Inspect for continuity between the wiper and

washer switch terminals using an ohmmeter.

• If not as specified, replace the wiper and

washer switch.

3. Connect the negative battery cable.

A6E8116W135

A6E8116W146

A6E8116W145

A6E8116W146

WIPER AND WASHER

T–69

T

4. Inspect whether the vehicle speed signal to the wiper and washer switch terminal N (D) is input correctly using

an oscilloscope.

• Connect the oscilloscope probes to the wiper and washer switch terminal N (D) (+) and terminal M (C) (-).

• Set oscilloscope to 1V/DIV (Y), 5ms/DIV (X).

• Verify that the wave pattern below is displayed

while the vehicle is moving at 30 km/h {19
mph}.

Note

• As the vehicle speed increases, the

frequency shortens.

5. If the vehicle speed input signal and continuity for

the wiper and washer switch is correct, inspect
the windshield wiper motor.iSee

T–

56

WINDSHIELD WIPER MOTOR INSPECTION

)

• Even if the windshield wiper motor is normal,

if the vehicle-speed-sensing wipers do not
operate correctly, replace the wiper and washer switch.

Rear Wiper and Washer Switch

1. Remove the wiper and washer switch. (See

T–67 WIPER AND WASHER SWITCH REMOVAL/INSTALLATION

)

2. Inspect for continuity between the wiper and

washer switch terminals using an ohmmeter.

• If not as specified, replace the wiper and

washer switch.

End Of Sie

HEADLIGHT CLEANER MOTOR REMOVAL/INSTALLATION

A6E811651030W01

1. Disconnect the negative battery cable.
2. Remove the washer tank. (See

T–58 WASHER TANK REMOVAL/INSTALLATION

)

3. Remove the washer fluid-level sensor. (See

T–59 WASHER FLUID-LEVEL SENSOR REMOVAL/

INSTALLATION

)

4. Remove in the order indicated in the table.

5. Install in the reverse order of removal.

End Of Sie

A6E8116W147

A6E8116W136

A6E8116W121

1

Connector

2

Bolt

3

Bracket

4

Headlight cleaner motor

5

Grommet

A6E8116W113

T–70

WIPER AND WASHER

HEADLIGHT CLEANER MOTOR INSPECTION

A6E811651030W02

1. Disconnect the negative battery cable.
2. Remove the washer tank. (See

T–58 WASHER TANK REMOVAL/INSTALLATION

)

3. Connect battery positive voltage to terminal D and ground to terminal C of the motor.
4. Verify that the headlight cleaner motor operates.

• If the motor does not operate, replace the

headlight cleaner motor.

End Of Sie

HEADLIGHT CLEANER NOZZLE REMOVAL/INSTALLATION

A6E811651030W03

1. Remove the front bumper. (See

S–47 FRONT BUMPER REMOVAL/INSTALLATION

)

2. Disconnect the headlight cleaner hose. (See

T–71 HEADLIGHT CLEANER HOSE REMOVAL/INSTALLATION

)

3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.
5. Adjust the headlight cleaner nozzle. (See

T–70

HEADLIGHT CLEANER NOZZLE
ADJUSTMENT

.)

End Of Sie

HEADLIGHT CLEANER NOZZLE ADJUSTMENT

A6E811651030W04

1. Use a needle or equivalent to adjust the headlight

cleaner nozzle so that the center of fluid properly
sprays on the headlight as shown in the figure.

End Of Sie

HEADLIGHT CLEANER NOZZLE CLEANING

A6E811651030W05

1. Clean the rear washer nozzle. (See

T–60 WINDSHIELD WASHER NOZZLE CLEANING

.)

End Of Sie

A6E8116W137

1

Screw

2

Spacer

3

Headlight cleaner nozzle

A6E8116W142

A6E8116W115

WIPER AND WASHER

T–71

T

HEADLIGHT CLEANER HOSE REMOVAL/INSTALLATION

A6E811651030W06

1. Remove the front bumper. (See

S–47 FRONT BUMPER REMOVAL/INSTALLATION

)

2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.

End Of Sie

HEADLIGHT CLEANER SWITCH REMOVAL/INSTALLATION

A6E811651030W07

1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.

Headlight Cleaner Switch Removal Note

1. Insert your hand from the lower side of the dashboard and squeeze the tabs of the headlight cleaner switch.
2. Pull the headlight cleaner switch forward to remove it.

End Of Sie

HEADLIGHT CLEANER SWITCH INSPECTION

A6E811651030W08

1. Disconnect the negative battery cable.
2. Remove the headlight cleaner switch. (See

T–71 HEADLIGHT CLEANER SWITCH REMOVAL/

INSTALLATION

)

3. Inspect for continuity between the headlight

cleaner switch terminals using an ohmmeter.

• If not as specified, replace the light switch.

End Of Sie

1

Clip

2

Headlight cleaner hose

3

Check valve

A6E8116W118

1

Headlight cleaner switch (See

T–71 Headlight

Cleaner Switch Removal Note

)

2

Connector

A6E8116W125

A6E8116W138

A6E8116W139