Mazda 6 Service Manual: Wiper and washer switch inspection
Windshield Wiper And Washer Switch
Without vehicle-speed sensing type wipers
1. Remove the wiper and washer switch. (See 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 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.
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. (See 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 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.
Wiper and washer switch removal/installation
1. Disconnect the negative battery cable.
2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of ...
Headlight cleaner motor removal/installation
1. Disconnect the negative battery cable.
2. Remove the washer tank. (See WASHER TANK REMOVAL/INSTALLATION)
3. Remove the washer fluid-level sensor. (See WASHER FLUID-LEVEL SENSOR
REMOVAL/INSTALLA ...
Other materials:
Mazda 6 Service Manual: Starter removal/installation
Warning
When the battery cables are connected, touching the vehicle body with starter
terminal B will generate sparks. This can cause personal injury, fire, and
damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
1. Di ...
Mazda 6 Service Manual: Foreword
Outline
There are two on-board diagnostic functions: Operation mode, which
inspects for and indicates correct operation of the input signals to the
control module, and condition detection mode, which indicates troubles in
the system.
The two functions can be done using either of the f ...