Mazda Protege 5. Manual - part 341

LIGHTING SYSTEMS 

09–18–17

09–18

End Of Sie

DAYTIME RUNNING LIGHT (DRL) SYSTEM WIRING DIAGRAM

A3U091867750W01

End Of Sie

A3U0918W105

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LIGHTING SYSTEMS 

09–18–18

DRL CONTROL MODULE REMOVAL/INSTALLATION (CANADA)

A3U091867750W02

Note

•

Because the lock section of the control module is damaged easily, do not remove the control module from 
the bracket unless replacement is necessary. Always perform an inspection of the DRL control module 
before removal.

1. Remove the negative battery cable.
2. Remove the bracket.
3. Disconnect the DRL control module connector.
4. Remove the DRL control module by prying the 

lock section of the side part with a flathead 
screwdriver.

5. Install in the reverse order of removal.

End Of Sie

DRL CONTROL MODULE INSPECTION (CANADA)

A3U091867750W03

1. Remove the bracket and pull it toward you.
2. Measure the voltage at the DRL control module terminals as indicated below.
3. Disconnect the DRL control module connector before inspecting for continuity at terminal 1E.

•

If not as specified, inspect the parts listed under “Action.”

•

If the parts and wiring harnesses are okay but the system still does not work properly, replace the DRL 
control module.

Terminal Voltage List (Reference)

X3U918WAL

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action

1A

RH headlight 
operation (low 
beam)

RH headlight 
(low beam)

Headlight 
switch at 
headlight 
position

Dimmer 
switch at high 
beam position

4SD

B+

•

Inspect HEAD R 15 A 
fuse

•

Inspect RH headlight

•

Inspect related harness

5HB

Below 1.5

Dimmer switch at low 
beam position

Below 1.5

Headlight switch at OFF or TNS 
position

Below 1.5

1B

IG1

METER 10 A 
fuse

Ignition switch at ON position

B+

•

Inspect METER 10 A 
fuse

•

Inspect related harness

Ignition switch at LOCK or ACC 
position

Below 1.0

1C

LH headlight 
operation (low 
beam)

LH headlight 
(low beam)

Headlight 
switch at 
headlight 
position

Dimmer 
switch at high 
beam position

4SD

B+

•

Inspect HEAD L 15 A 
fuse

•

Inspect LH headlight

•

Inspect related harness

5HB

Below 1.5

Dimmer switch at low 
beam position

Below 1.5

Headlight switch at OFF or TNS 
position

Below 1.5

1D

Power supply

HEAD C/U 7.5 
A fuse

Under any condition

B+

•

Inspect HEAD C/U 7.5 
A fuse

•

Inspect related harness

1E

DRL control 
module 
ground

GND

Constant: inspect for continuity to 
ground

Yes

•

Inspect related harness

Y3U918WA7

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LIGHTING SYSTEMS 

09–18–19

09–18

End Of Sie

1F

Headlight 
operation 
(high beam)

Headlight 
(high beam)

Headlight 
switch at 
headlight 
position

Dimmer switch at high 
beam position

Below 1.0

•

Inspect headlight

•

Inspect HEAD R 15 A 
fuse

•

Inspect HEAD L 15 A 
fuse

•

Inspect related harness

Dimmer switch at low 
beam position

B+

Headlight switch at OFF or TNS 
position

Below 1.0

2A

Headlight 
relay 
operation

Headlight 
relay

Headlight switch at headlight position

Below 1.0

•

Inspect headlight relay
(See 09–21–5 RELAY 
INSPECTION)

•

Inspect related harness

Headlight switch at OFF or TNS 
position

B+

2B

Flash-to-pass 
on/off

Headlight 
switch

Flash-to-pass activated

Below 1.0

•

Inspect combination 
switch

•

Inspect related harness

Flash-to-pass not activated

B+

2C

—

—

—

—

—

2D

Brake system 
warning light 
operation

•

Brake 
system 
warning 
light

•

Brake fluid 
level 
sensor

Ignition switch 
at ON position

Brake fluid level is 
below MIN.

Below 1.0

•

Inspect METER 10 A 
fuse

•

Inspect instrument 
cluster
(See 09–22–4 
INSTRUMENT 
CLUSTER 
INSPECTION)

•

Inspect brake fluid level 
sensor
(See 04–11–9 FLUID 
LEVEL SENSOR 
INSPECTION)

•

Inspect related harness

Brake fluid level is 
above MIN.

B+

Ignition switch at LOCK or ACC 
position

Below 1.0

2E

Front fog light 
relay 
operation

Front fog light 
switch

•

Headlight 
switch at 
headlight 
position

•

Front fog 
light switch 
on

Dimmer switch at high 
beam position

B+

•

Inspect front fog light 
relay
(See 09–21–5 RELAY 
INSPECTION)

•

Inspect related harness

Dimmer switch at low 
beam position

Below 1.5

2F

Parking brake 
lever pulled/
released

Parking brake 
switch

Parking brake lever pulled

Below 1.0

•

Inspect parking brake 
switch

•

Inspect related harness

Parking brake lever released

B+

2G

High beam 
on/off

Headlight 
switch

Dimmer switch at high beam position

Below 1.0

•

Inspect combination 
switch

•

Inspect related harness

Dimmer switch at low beam position

B+

2H

Headlight 
switch on/off

Headlight 
switch

Headlight switch at headlight position

Below 1.0

•

Inspect combination 
switch

•

Inspect related harness

Headlight switch at OFF or TNS 
position

B+

Terminal

Signal

Connected to

Test condition

Voltage (V)/

Continuity

Action

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LIGHTING SYSTEMS 

09–18–20

INTERIOR AND MAP LIGHT REMOVAL/INSTALLATION

A3U091851310W01

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

3. Install in the reverse order of removal.

Lens Removal Note

1. Insert a tape-wrapped, flathead screwdriver into 

the service hole.

2. Twist the flathead screwdriver in the direction 

indicated by the arrow to remove the lens.

End Of Sie

INTERIOR AND MAP LIGHT INSPECTION

A3U091851310W02

1. Remove the interior and map light. (See 09–18–20 INTERIOR AND MAP LIGHT REMOVAL/INSTALLATION.)
2. Inspect for continuity between the interior and map light terminals using an ohmmeter.

•

If not as specified, replace the interior and map light.

End Of Sie

1

Lens
(See 09–18–20 Lens Removal Note)

2

Interior light bulb

3

Map light bulb

4

Screw

5

Interior and map light

6

Connector

X3U918WAW

X3U918WAX

Z3U0918W004

Y3U918WAK

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