Infiniti Q45 (FY33). Manual — part 257

IGNITION POWER SUPPLY — IGNITION SW. IN “ON” AND/OR “START”

NOTE: For detailed ground distribution information, refer to “GROUND DISTRIBUTION”, EL-23.

TEL655B

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

POWER SUPPLY ROUTING

Wiring Diagram — POWER — (Cont’d)

EL-19

TEL718B

POWER SUPPLY ROUTING

Wiring Diagram — POWER — (Cont’d)

EL-20

TEL719B

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

POWER SUPPLY ROUTING

Wiring Diagram — POWER — (Cont’d)

EL-21

CEL083

Fuse

a.

If fuse is blown, be sure to eliminate cause of problem
before installing new fuse.

b.

Use fuse of specified rating. Never use fuse of more than
specified rating.

c.

Do not partially install fuse; always insert it into fuse
holder properly.

d.

Remove fuse for “ELECTRICAL PARTS (BAT)” if vehicle is
not used for a long period of time.

CEL403

CEL404

Fusible Link

A melted fusible link can be detected either by visual inspection or
by feeling with finger tip. If its condition is questionable, use circuit
tester or test lamp.

CAUTION:

a.

If fusible link should melt, it is possible that critical circuit
(power supply or large current carrying circuit) is shorted.
In such a case, carefully check and eliminate cause of
problem.

b.

Never wrap outside of fusible link with vinyl tape. Impor-
tant: Never let fusible link touch any other wiring harness,
vinyl or rubber parts.

SBF284E

Circuit Breaker Inspection

For example, when current is 30A, the circuit is broken within 8 to
20 seconds.

POWER SUPPLY ROUTING

EL-22