Infiniti Q45 (FY33). Manual — part 275

Low beam operation

When the lighting switch is turned to 2ND and LOW (“B”) positions, ground is supplied

I

to terminal

q

1

of the LH headlamp

I

through daytime light control unit terminals

q

11

and

q

12

I

through lighting switch terminals

q

10

and

q

8

I

through body grounds

E22

and

E36

.

Ground is also supplied

I

to terminal

q

1

of the RH headlamp

I

through daytime light control unit terminals

q

8

and

q

15

I

through lighting switch terminals

q

7

and

q

5

I

through body grounds

E22

and

E36

.

With power and ground supplied, the low beam headlamps illuminate.

High beam operation/flash-to-pass operation

When the lighting switch is turned to 2ND and HIGH (“A”) or PASS (“C”) positions, ground is supplied

I

to terminal

q

3

of LH headlamp and combination meter terminal

q

23

for the HIGH BEAM indicator

I

through daytime light control unit terminals

q

10

and

q

13

I

through lighting switch terminals

q

9

and

q

8

I

through body grounds

E22

and

E36

.

Ground is also supplied

I

to terminal

q

3

of RH headlamp

I

through daytime light control unit terminals

q

9

and

q

14

I

through lighting switch terminals

q

6

and

q

5

I

through body grounds

E22

and

E36

.

With power and ground supplied, the high beam headlamps illuminate.

AUTO LIGHT OPERATION

For auto light operation, refer to EL-63.

DAYTIME LIGHT OPERATION

With the engine running, the lighting switch in the OFF or 1ST position and parking brake released, power is
supplied

I

through daytime light control unit terminal

q

7

I

to terminal

q

2

of RH headlamp

I

through terminal

q

3

of RH headlamp

I

to daytime light control unit terminal

q

9

I

through daytime light control unit terminal

q

6

I

to terminal

q

2

of LH headlamp.

Ground is supplied to terminal

q

3

of LH headlamp.

I

through daytime light control unit terminals

q

10

and

q

16

I

through body grounds

E22

and

E36

.

Because the high beam headlamps are now wired in series, they operate at half illumination.

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

HEADLAMP (FOR CANADA) — CONVENTIONAL TYPE —

Daytime Light System/System Description
(Cont’d)

EL-91

Operation (Daytime light system with
conventional headlamp)

After starting the engine with the lighting switch in the “OFF” or
“1ST” position, the headlamp high beam automatically turns on.
Lighting switch operations other than the above are the same as
conventional light systems.

Engine

With engine stopped

With engine running

Lighting switch

OFF

1ST

2ND

OFF

1ST

2ND

A

B

C

A

B

C

A

B

C

A

B

C

A

B

C

A

B

C

Headlamp

High beam

X

X

q

X

X

q q

X

q g

*

g

*

q g

*

g

*

q q

X

q

Low beam

X

X

X

X

X

X

X

q

X

X

X

X

X

X

X

X

q

X

Parking and tail lamp

X

X

X

q q q q q q

X

X

X

q q q q q q

License and instrument illumination lamp

X

X

X

q q q q q q

X

X

X

q q q q q q

q

: Lamp “ON”

X : Lamp “OFF”

g

: Lamp dims.

: Added functions

*: When starting the engine with the parking brake released, the daytime light will come ON.

When starting the engine with the parking brake pulled, the daytime light won’t come ON.

HEADLAMP (FOR CANADA) — CONVENTIONAL TYPE —

EL-92

Schematic

TEL828B

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

HEADLAMP (FOR CANADA) — CONVENTIONAL TYPE —

EL-93

Wiring Diagram — DTRL —

TEL726B

HEADLAMP (FOR CANADA) — CONVENTIONAL TYPE —

EL-94