Mazda CX 7. Manual — part 418

LIGHTING SYSTEMS

09-18–7

09-18

DISCHARGE HEADLIGHT CONTROL MODULE REMOVAL/INSTALLATION

id091800805300

Warning

• 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 09-18-4
DISCHARGE HEADLIGHT SERVICE WARNINGS.)

1. Disconnect the negative battery cable.
2. Remove the front bumper. (See 09-10-2 FRONT BUMPER REMOVAL/INSTALLATION.)
3. Remove the front combination light. (See 09-18-5 FRONT COMBINATION LIGHT REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.

.

5. Install in the reverse order of removal.

End Of Sie

DISCHARGE HEADLIGHT SYSTEM INSPECTION

id091800805400

Discharge headlight inoperative

Warning

• 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 09-18-4
DISCHARGE HEADLIGHT SERVICE WARNINGS.)

Terminal layout

Inspection procedure

1

Screw

2

Discharge headlight control module

3

Connector

3

1

2

acxuuw00002287

STEP

INSPECTION

ACTION

1

INSPECT POWER SUPPLY CIRCUIT OF

DISCHARGE HEADLIGHT CONTROL
MODULE

• Disconnect the discharge headlight control

module connector.

• Turn the headlight switch to the HEADLIGHT

(LO) position.

• Measure the voltage at discharge headlight

control module terminal A (wiring harness-
side).

• Is the voltage approx. 12 V?

Yes

Go to Step 6.

No

Go to the next step.

MAIN FUSE BLOCK CONNECTOR

A

B

C

D

E

F

G

H

DISCHARGE

HEADLIGHT CONTROL

MODULE CONNECTOR

H/L LO RH 15 A
FUSE

H/L LO LH 15 A
FUSE

FRONT

NOTE:SEEN FROM TERMINAL SIDE

A

B

C

D

HEADLIGHT RELAY

acxuuw00002080

LIGHTING SYSTEMS

09-18–8

End Of Sie

WM: FRONT TURN LIGHT

2

INSPECT FUSE

• Turn the headlight switch to the OFF position.

• Remove the H/L LO RH 15 A fuse or H/L LO

LH 15 A fuse.

• Inspect the fuses.

• Are the fuses normal?

Yes

Go to the next step.

No

Replace the fuse.

3

INSPECT HEADLIGHT RELAY

• Inspect the headlight relay. (See 09-21-4

RELAY INSPECTION.)

• Is the headlight relay normal?

Yes

Go to the next step.

No

Replace the headlight relay.

4

INSPECT LIGHT SWITCH

• Inspect the light switch. (See 09-18-14

LIGHT SWITCH INSPECTION.)

• Is the light switch normal?

Yes

Go to the next step.

No

Replace the light switch. (See 09-18-13 LIGHT SWITCH
REMOVAL/INSTALLATION.)

5

INSPECT WIRING HARNESS BETWEEN

BATTERY AND DISCHARGE
HEADLIGHT CONTROL MODULE

• Disconnect the negative battery cable.

• Inspect for continuity between the following

terminals:
— Battery (positive terminal) and headlight

relay terminal C.

— H/L LO RH 15 A fuse and discharge

headlight control module terminal A

— H/L LO LH 15 A fuse and discharge

headlight control module terminal A

• Are the wiring harnesses normal?

Yes

Go to the next step.

No

Replace the related wiring harness.

6

INSPECT WIRING HARNESS BETWEEN

DISCHARGE HEADLIGHT CONTROL
MODULE AND GROUND

• Inspect the wiring harness between

discharge headlight control module terminal
B and ground for the following:
— Short to power supply

— Open circuit

• Is the wiring harness normal?

Yes

Go to the next step.

No

Replace the related wiring harness.

7

VERIFY WHETHER MALFUNCTION IS IN

DISCHARGE HEADLIGHT BULB OR
DISCHARGE HEADLIGHT CONTROL
MODULE

• Install the discharge headlight low bulb

(previously verified as illuminating normally).
(See 09-18-6 HEADLIGHT BULB
REMOVAL/INSTALLATION.)

• Connect the discharge headlight control

module connector.

• Turn the headlight switch to the HEADLIGHT

(LO) position.

• Does the headlight (low-beam) illuminate?

Yes

System inspection completed.

No

Replace the discharge headlight control module. (See 09-
18-7 DISCHARGE HEADLIGHT CONTROL MODULE
REMOVAL/INSTALLATION.)

STEP

INSPECTION

ACTION

LIGHTING SYSTEMS

09-18–9

09-18

PARKING/FRONT TURN LIGHT BULB REMOVAL/INSTALLATION

id091800804400

1. Disconnect the negative battery cable.
2. Remove the fasteners and slightly bend back the mudguard.
3. Remove the socket, then remove the parking/front

turn light bulb.

4. Install in the reverse order of removal.

End Of Sie

FRONT SIDE MARKER LIGHT BULB REMOVAL/INSTALLATION

id091800807000

1. Disconnect the negative battery cable.
2. Remove the fasteners and slightly bend back the mudguard.
3. Remove the socket, then remove the front side

marker light bulb.

4. Install in the reverse order of removal.

End Of Sie

WM: FRONT FOG LIGHT

FRONT FOG LIGHT REMOVAL/INSTALLATION

id091800802100

1. Disconnect the negative battery cable.
2. Slightly bend back the mudguard.
3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.
5. Adjust the front fog light aiming. (See 09-18-9

FRONT FOG LIGHT AIMING.)

End Of Sie

FRONT FOG LIGHT AIMING

id091800802200

1. Make a front fog light adjustment screen as

shown in the figure using double-weight, white
paper.

PARKING/FRONT
TURN LIGHT BULB

SOCKET

acxuuw00001704

FRONT SIDE
MARKER LIGHT
BULB

SOCKET

acxuuw00001703

1

Front fog light connector

2

Screw

3

Front fog light

3

1

2

acxuuw00001705

CENTER OF
FRONT FOG LIGHT

60 mm {2.4 in}

SAME FOR BOTH
RIGHT AND LEFT

BRIGHTNESS
BORDERLINE

acxuuw00001715

LIGHTING SYSTEMS

09-18–10

2. Remove the bolt and cut the plastic piece off at

the position shaded shown in the figure.

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

surface.

5. Seat one person in the driver's seat.

6. Line up the headlights with the white screen at a

distance of 3 m {9.8 ft} apart.

7. Place an object in front of the fog light not being

adjusted to block its light beam.

8. Start the engine so that the battery remains

charged.

9. Turn the front fog lights on.

10. Loosen the screw, move the front fog light in the

direction of the arrows, and adjust the center of
the front fog light to the position shown in the
figure.

11. Install the bolt and tighten the screw.

End Of Sie

CUT
LOCATION

BOLT

acxuuw00001716

3 m {9.8 ft}

acxuuw00001717

CENTER OF FOG LIGHT

BRIGHTNESS
BORDER LINE

COMMON TO BOTH
RIGHT AND LEFT

60 mm {2.4 in}

DOWNWARD

SCREW

ADJUSTING BOLT

UPWARD

acxuuw00001718