Infiniti F50. Manual — part 643

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

LT-39

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●

to combination meter terminal 48 for the HIGH BEAM indicator.

Ground is supplied

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to terminal 14 of each headlamp

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through daytime light control unit terminals 9 and 10, and

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to daytime light control unit terminals 6 and 7

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through terminals 13 of each headlamp.

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to daytime light control unit terminal 13

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through combination meter terminal 47 for the HIGH BEAM indicator

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to daytime light control unit terminals 13 and 14

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through lighting switch terminals 6 and 9

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to lighting switch terminals 5 and 8

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through body grounds M25 and M115.

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

BATTERY SAVER CONTROL

When the ignition switch is turned from ON (or START) to OFF (or ACC) positions while headlamps are illumi-
nated, The RAP signal is supplied to terminal 10 of the headlamp battery saver control unit from BCM terminal
135.
After counting 45 seconds by the RAP signal from the BCM to headlamp battery saver control unit, the ground
supply to terminals 1 of headlamp relay-1 and 2 from headlamp battery saver control unit terminals 2 and 8 is
terminated.
Then headlamps are turned off.
The headlamps are turned off when driver or passenger door is opened even if 45 seconds have not passed
after the ignition switch is turned from ON (or START) to OFF (or ACC) positions while headlamps are illumi-
nated.
When the lighting switch is turned from OFF to 2ND after headlamps are turned to off by the battery saver con-
trol, ground is supplied

●

to headlamp battery saver control unit terminals 5 and 13 from lighting switch terminal 11, and then

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to headlamp relay-1 and 2 terminals 1 from headlamp battery saver control unit terminals 2 and 8

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through headlamp battery saver control unit terminals 3 and 9, and

●

through lighting switch terminal 12.

Then headlamps illuminate again.

AUTO LIGHT OPERATION

For auto light operation, refer to

LT-8, "AUTO LIGHT OPERATION"

in “HEADLAMP (USA)”.

DAYTIME LIGHT OPERATION

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

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through daytime light control unit terminal 7

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to terminal 13 of RH headlamp

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through terminal 14 of RH headlamp

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to daytime light control unit terminal 9

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through daytime light control unit terminal 6

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to terminal 13 of LH headlamp.

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through terminal 14 of LH headlamp to daytime light control unit terminal 10

Ground is supplied

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to daytime light control unit terminal 16

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through body grounds E42and E62.

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

OPERATION

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

LT-40

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

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Hi: “HIGH BEAM” position

●

Lo: “LOW BEAM” position

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P: “FLASH TO PASS” position

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×

: Lamp “ON”

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–: Lamp “OFF”

●

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: 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.

Engine

With engine stopped

With engine running

Lighting switch

OFF 1ST 2ND OFF 1ST 2ND

Hi

Lo

P

Hi

Lo

P

Hi

Lo

P

Hi

Lo

P

Hi

Lo

P

Hi

Lo

P

Headlamp

High beam

–

–

–

–

–

×

×

–

×

●

*

●

*

×

●

*

●

*

×

×

–

×

Low beam

–

–

–

–

–

×

×

×

×

–

–

×

–

–

×

×

×

×

Parking (clearance), side marker
and tail lamp

–

–

–

×

×

×

×

×

×

–

–

–

×

×

×

×

×

×

License and instrument illumina-
tion lamp

–

–

–

×

×

×

×

×

×

–

–

–

×

×

×

×

×

×

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

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Schematic

EKS000SM

TKWM0336E

LT-42

HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM -

Wiring Diagram — DTRL —

EKS000SN

TKWM0538E