Mazda 6. Manual - part 323

T–52

INTERIOR LIGHTING SYSTEM 

DOOR SWITCH REMOVAL/INSTALLATION

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Front

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

3. Install in the reverse order of removal.

Rear

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

3. Install in the reverse order of removal.

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DOOR SWITCH INSPECTION

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1. Remove the door switch. (See 

T–52 DOOR SWITCH REMOVAL/INSTALLATION

)

2. Inspect for continuity between the door switch 

terminal and a body ground using an ohmmeter.

• If not as specified, replace the door switch.

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ASHTRAY ILLUMINATION BULB REMOVAL/INSTALLATION

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

4. Install in the reverse order of removal.

1

Screw

2

Door switch

3

Connector

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1

Screw

2

Door switch

3

Connector

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1

Socket

2

Ashtray illumination bulb

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INTERIOR LIGHTING SYSTEM 

T–53

T

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IGNITION KEY ILLUMINATION BULB REMOVAL/INSTALLATION

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1. Disconnect the negative battery cable.
2. Remove the column cover. (See 

S–84 COLUMN COVER REMOVAL/INSTALLATION

)

3. Remove the ignition key illumination bulb.
4. Install in the reverse order of removal.

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GLOVE COMPARTMENT LIGHT BULB REMOVAL/INSTALLATION

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

3. Install in the reverse order of removal.

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PANEL LIGHT CONTROL SWITCH REMOVAL/INSTALLATION

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

3. Install in the reverse order of removal.

Panel Light Control Switch Removal Note

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

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1

Socket 

2

Glove compartment light bulb

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1

Panel light control switch (See 

T–53 Panel Light 

Control Switch Removal Note

)

2

Connector

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T–54

INTERIOR LIGHTING SYSTEM 

PANEL LIGHT CONTROL SWITCH INSPECTION

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1. Connect the connector to the panel light control switch.
2. Connect the negative battery cable.
3. Measure the voltage at the panel light control switch using voltmeter.

• When inspecting terminal B for continuity, disconnect the panel light control switch 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 panel light control switch.

Terminal Voltage Table (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action

A

TNS (Without 
running light 
system)

TNS relay

Headlight switch at TNS or headlight 
position

B+

• Inspect TNS 

relay (See 

T–24 

RELAY 
INSPECTION

)

• Inspect ILLUMI 

10A fuse

• Inspect related 

harness

Other

0

Running light 
(With running 
light system)

Running light unit

Headlight switch at TNS or headlight 
position

B+

• Inspect running 

light unit 
(See 

T–46 

RUNNING LIGHT 
UNIT 
INSPECTION

)

• Inspect related 

harness

Other

0

C

Illumination

Each illumination

Inspect using an oscilloscope (See 

T–

55 Terminal C inspection

)

—

• Inspect each 

illumination

• Inspect related 

harness

B

Ground

GND

Under any condition: inspect for 
continuity to ground

Yes

• Inspect GND

• Inspect related 

harness

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INTERIOR LIGHTING SYSTEM 

T–55

T

Terminal C inspection

1. Measure the wave pattern of the terminal C on 

the panel light control switch using an 
oscilloscope.

2. Set the headlight switch to either the TNS or 

headlight position.

3. Set the panel light control switch to the brightest 

position.

4. Verify that the pattern on the screen is as shown 

in the figure.

5. Verify that the pattern on the screen matches the 

pattern shown in the figure as the panel light 
control switch is gradually turned to the darkest 
position.

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