Mazda 6. Manual — part 316

T–24

POWER SYSTEM

RELAY INSPECTION

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Relay Type

Four-terminal
Type A

1. Remove the relay.
2. Inspect for continuity between the relay terminals

using an ohmmeter.

• If not as specified, replace the relay.

Type B

1. Remove the relay.
2. Inspect for continuity between the relay terminals

using an ohmmeter.

• If not as specified, replace the relay.

Terminal type

Parts name

Four-terminal

Type A

• Main relay

• Fuel pump relay

• Stater relay

• TNS relay

• Front fog light relay

• Rear fog light relay

• Horn relay

• Headlight cleaner

relay

• Rear window

defroster relay

• Woofer relay

• A/C relay

• Blower relay

• Cooling fan relay No.1

(except L3 engine)

• Cooling fan relay No.2

• Cooling fan relay No.3

• Cooling fan relay No.4

Type B

• Headlight relay

Five-terminal

Type C

• Cooling fan relay No.1

(L3 engine only)

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POWER SYSTEM, EXTERIOR LIGHTING SYSTEM

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T

Type C

1. Remove the relay.
2. Inspect for continuity between the relay terminals

using an ohmmeter.

• If not as specified, replace the relay.

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DISCHARGE HEADLIGHT SERVICE WARNINGS

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Discharge headlight bulb service warnings

• To prevent electrical shock when replacing the discharge headlight bulb, dry hands thoroughly, and

carry out work in an area out of rain.

• When the light switch is on, approx. 25,000 V

of high voltage passes through the discharge
headlight bulb socket. Because of the danger
of electrical shock, do not insert fingers or a
circuit tester.

• When the headlights are on, high voltage

flows around the socket and bulb. When
turning on the discharge headlights while
working, always leave the headlights in the
vehicle-installed condition to prevent
electrical shock.

Discharge headlight control unit service warnings

• Because of the danger of electrical shock,

when inspecting with a circuit tester or similar
device, do not inspect the discharge headlight
control unit as a single unit or disassemble it.

• If there are scratches or damage to the

discharge headlight control unit, or it has
been impacted, there may be damage despite
apparent normal operation. Therefore, to
prevent electrical shock or operation error,
replace with new parts.

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EXTERIOR LIGHTING SYSTEM

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EXTERIOR LIGHTING SYSTEM

FRONT COMBINATION LIGHT REMOVAL/INSTALLATION

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Caution

• Incorrect servicing of the discharge headlights could result in electrical shock. Before servicing

the discharge headlights, always refer to the “Discharge headlight service warnings.” (See

T–25

DISCHARGE HEADLIGHT SERVICE WARNINGS

)

Note

• When the ignition switch is turned to ON, it is normal to hear the headlight leveling actuator operating for a

few second, as it verifies headlight auto leveling system operating condition.

1. Disconnect the negative battery cable.
2. Remove the front bumper. (See

S–47 FRONT BUMPER REMOVAL/INSTALLATION

)

3. Remove in the order indicated in the table.

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

T–26

HEADLIGHT AIMING

.)

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HEADLIGHT AIMING

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Low-beam

1. Set up a screen as shown in the figure below for

aiming the headlights.

2. Adjust the tire air pressure to the specification.
3. Position the unloaded vehicle on a flat, level

surface.

4. Seat one person in the driver's seat.
5. Position the vehicle straight ahead and

perpendicular to a wall.

1

Connector

2

Bolt

3

Clip

4

Cover

5

Front combination light

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EXTERIOR LIGHTING SYSTEM

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6. Set the headlights 3 m {10 ft} from the wall.
7. While adjusting one headlight, mask the other.
8. Start the engine to charge the battery.
9. Turn on the lower-beam headlight.

10. Set the headlight leveling switch to 0 position.
11. Adjust the headlights by turning the adjusting

screws as shown in the figure. Loosen the screws
first, then tighten them.

Note

• If the adjusting screws are tightened first,

then loosened, they will continue to loosen
when the vehicle is in motion and may cause
the headlights to become misaligned.

12. Turn the adjusting screws and adjust the

headlight so that the elbow point in the shaded
area in the figure.

High-beam

1. Adjust the tire air pressure to the specification.
2. Position the unloaded vehicle on a flat, level surface.
3. Seat one person in the driver's seat.
4. Position the vehicle straight ahead and perpendicular to a wall.

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