Mazda 6. Manual — part 321

T–44

EXTERIOR LIGHTING SYSTEM

BACK-UP LIGHT SWITCH INSPECTION

A6E811217640W02

1. Disconnect the back-up light switch connector.
2. Inspect for continuity between the back-up light

switch terminals using an ohmmeter.

• If not as specified, replace the back-up light

switch.

End Of Sie

FLASHER UNIT REMOVAL/INSTALLATION

A6E811266830W01

1. Disconnect the negative battery cable.
2. Remove the instrument cluster. (See

T–72 INSTRUMENT CLUSTER REMOVAL/INSTALLATION

)

3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.

End Of Sie

FLASHER UNIT INSPECTION

A6E811266830W02

1. Connect the connector to the flasher unit.
2. Connect the negative battery cable.
3. Measure the voltage at the flasher unit using voltmeter.

• When inspecting terminal F for continuity, disconnect the flasher unit connector.

4. If the value are not as specified in the Terminal Voltage List (Reference), inspect the parts under “Action” and

related wiring harnesses.

5. If the system does not work properly even though the parts or related wiring harnesses do not have any

malfunction, replace the flasher unit.

A6E8112W153

A6E8112W128

1

Connector

2

Screw

3

Flasher unit

A6E8112W114

EXTERIOR LIGHTING SYSTEM

T–45

T

Terminal Voltage List (Reference)

End Of Sie

RUNNING LIGHT UNIT REMOVAL/INSTALLATION

A6E811266731W01

1. Disconnect the negative battery cable.
2. Remove the glove compartment. (See

S–85 GLOVE COMPARTMENT REMOVAL/INSTALLATION

)

3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.

End Of Sie

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action

A

Power supply

HAZARD 10 A
fuse

Under any condition

B+

• Inspect HAZARD 10 A

fuse

• Inspect related harness

D

Turn signal
flasher (LH)

Turn signal light
(LH)

Turn signal light (LH) flashes

Alternates

below 1.0 and

B+

• Inspect turn signal light

(LH)

• Inspect related harness

Hazard warning switch at on
position

Other

Below 1.0

F

Flasher unit
ground

GND

Constant: inspect for
continuity to ground

Yes

• Inspect GND

G

Turn signal
flasher (RH)

Turn signal light
(RH)

Turn signal light (RH) flashes

Alternates

below 1.0 and

B+

• Inspect turn signal light

(RH)

• Inspect related harness

Hazard warning switch at on
position

Other

Below 1.0

H

Hazard warning
on

Hazard warning
switch

Hazard warning switch at on
position

Below 1.0

• Inspect hazard warning

switch

• Inspect related harness

Hazard warning switch at off
position

B+

I

Turn switch on/
off (RH)

Combination
switch

Ignition switch is at ON and
turn switch (RH) on

B+

• Inspect combination

switch

• Inspect related harness

Other

Below 1.0

J

Turn switch on/
off (LH)

Combination
switch

Ignition switch is at ON and
turn switch (LH) on

B+

• Inspect combination

switch

• Inspect related harness

Other

Below 1.0

A6E8112W154

1

Nut

2

Running light unit

3

Connector

A6E8112W126

T–46

EXTERIOR LIGHTING SYSTEM

RUNNING LIGHT UNIT INSPECTION

A6E811266731W02

1. Connect the connector to the running light unit.
2. Connect the negative battery cable.
3. Measure the voltage at the running light unit using voltmeter.

• When inspecting terminal D, H or P for continuity, disconnect the running light unit connector.

4. If the value are not as specified in the Terminal Voltage List (Reference), inspect the parts under “Action” and

related wiring harnesses.

5. If the system does not work properly even though the parts or related wiring harnesses do not have any

malfunction, replace the running light unit.

Terminal Voltage List (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action

A

Illumination
light on/off

TNS relay

Ignition switch at ON position

B+

• Inspect ILLUMI 10 A

fuse

• Inspect TNS relay (See

T–24 RELAY
INSPECTION

)

• Inspect related harness

Ignition switch
at LOCK or
ACC position

Headlight switch
(light) at TNS or
headlight
position

Below 1.0

Headlight switch
(light) at OFF
position

B+

B

Illumination
light operation

• Instrument

cluster

• Panel control

switch

Headlight switch (light) at TNS or
headlight position

B+

—

Headlight switch (light) at OFF
position

Below 1.0

C

Headlight
relay (high-
beam) on/off

Headlight relay

Ignition switch at ON position

B+

• Inspect headlight relay

(See

T–24 RELAY

INSPECTION

)

• Inspect related harness

Headliht switch
(light) at
headlight
position

Headlight switch
(dimmer) at LO
position

B+

Headlight switch
(dimmer) at HI
position

B+

Flash-to-pass on

B+

D

Running light
unit ground

GND

Under any condition: inspect for
continuity to ground

Yes

• Inspect GND

E

IG1

METER IG 15 A
fuse

Ignition switch at ON position

B+

• Inspect METER IG

15 A fuse

• Inspect related harness

Ignition switch at LOCK or ACC
position

Below 1.0

F

Front fog light
relay on/off

Front fog light
relay

Front fog light
switch at ON
position

Headlight switch
(light) at TNS or
headlight
position

Below 1.0

• Inspect TNS relay (See

T–24 RELAY
INSPECTION

)

• Inspect front fog light

relay (See

T–24

RELAY INSPECTION

)

• Inspect related harness

Headlight switch
(light) at OFF
position

B+

G

TNS relay on/
off

TNS relay

Ignition switch at ON position

Below 1.0

• Inspect TNS relay (See

T–24 RELAY
INSPECTION

)

• Inspect related harness

Ignition switch at LOCK or ACC
position and headlight switch
(light) at OFF position

B+

A6E8112W155

EXTERIOR LIGHTING SYSTEM

T–47

T

End Of Sie

H

Front fog light
on/off

Front and rear
fog light switch

Front and rear fog light switch at
OFF position: inspect for continuity
to ground

No

• Inspect front and rear

fog light switch (See

T–

42 FRONT AND REAR
FOG LIGHT SWITCH
INSPECTION

)

• Inspect related harness

Front and rear fog light switch at
ON position: inspect for continuity
to ground

Yes

I

TNS on/off

Headlight switch

Headlight switch (light) at OFF
position

No

• Inspect headlight

switch (See

T–40

LIGHT SWITCH
INSPECTION

)

• Inspect related harness

Headlight switch (light) at TNS or
headlight position

Yes

K

Headlight
relay on/off

Headlight relay

Ignition switch at ON position

Below 1.0

• Inspect headlight relay

(See

T–24 RELAY

INSPECTION

)

• Inspect related harness

Ignition switch at LOCK or ACC
and headlight switch (light) at OFF
position

B+

M

Flash-to-pass
on/off

Headlight switch
(dimmer switch)

Headlight switch (light) at OFF or
TNS position

No

• Inspect headlight

switch (See

T–40

LIGHT SWITCH
INSPECTION

)

• Inspect related harness

Headlight switch (light) at headlight
position

Yes

Flash-to-pass on

Yes

O

Headlight
high
operation

Headlight switch
(dimmer switch:
HI position)

Ignition switch at ON position

B+

• Inspect headlight

switch (See

T–40

LIGHT SWITCH
INSPECTION

)

• Inspect related harness

Headlight switch (light) at headlight
position and headlight switch
(dimmer) at LO position

B+

Headlight switch (light) at headlight
position and headlight switch
(dimmer) at HI position

Below 1.0

Flash-to-pass on

Below 1.0

P

Headlight
(high-beam)
on/off

Headlight switch

Headlight switch (dimmer) at LO
position: inspect for continuity to
ground

No

• Inspect headlight

switch (See

T–40

LIGHT SWITCH
INSPECTION

)

• Inspect related harness

Headlight switch (dimmer) at HI
position: inspect for continuity to
ground

Yes

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action