Mazda 6 manuals

Mazda 6 Service Manual: Generator inspection

Generator Warning Light

1. Verify that the battery is fully charged.

2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT INSPECTION.)

3. Turn the ignition switch to ON and verify that the generator warning light illuminates.

4. Verify that the generator warning light turns off after the engine is started.

Generator

Voltage

1. Verify that the battery is fully charged.

2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT INSPECTION.)

3. Turn off all electrical loads.

4. Turn the engine switch to start the engine and verify that the generator rotates smoothly without any noise while the engine is running.

5. Measure the voltage at the terminals shown in the table.


Standard voltage


* : Turn the following electrical loads on and verify that the voltage reading increases.

- Headlights

- Blower motor

- Rear window defroster

Current

1. Verify that the battery is fully charged.

2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT INSPECTION.)

3. Disconnect the negative battery cable.

4. Connect an ammeter, capable of reading 120 A or above, between generator terminal B and the wiring harness.

5. Connect the negative battery cable.

6. Turn off all electrical loards.

7. Start the engine and increase the engine speed to 2,000-2,500 rpm.

8. Turn the following electrical loads on and verify that the current reading increases.

- If generator terminal B current will not increase, repair or replace the generator as necessary.

Note

Standard current (Reference)

Measuring conditions Room temperature: 20 °C {68 ° F} Voltage: 13.5 V
Engine hot


* : Must not be 0 A

Generator removal/installation
Warning When the battery cables are connected, touching the vehicle body with generator terminal B will generate sparks. This can cause personal injury, fire, and damage to the electrical comp ...

Ignition system
...

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