2005 INFINITI QX4 Factory Service Manual

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Page 2569 of 3419

INFINITI QX4 2005 Factory Service Manual LT-122
REAR COMBINATION LAMP
Revision: October 20052005 QX56
REAR COMBINATION LAMPPFP:26554
Bulb Replacement (Turn Signal)EKS00BAZ
NOTE:
The tail/stop lamp bulbs are LEDs and are not serviceable separ

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INFINITI QX4 2005 Factory Service Manual TRAILER TOW
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Revision: October 20052005 QX56
TRAILER TOWPFP:93020
Component Parts and Harness Connector LocationEKS00BB1
System DescriptionEKS00BB2
Power is supplied at

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INFINITI QX4 2005 Factory Service Manual LT-124
TRAILER TOW
Revision: October 20052005 QX56
With the ignition switch in the ON or START position, power is supplied
to ignition relay, located in the IPDM E/R, and
through 10A fuse (No. 59, l

LT-124
TRAILER TOW
Revision: October 20052005 QX56
With the ignition switch in the ON or START position, power is supplied
to ignition relay, located in the IPDM E/R, and
through 10A fuse (No. 59, located in the fuse and relay box)
to BCM terminal 38, and
through 10A fuse (No. 51, located in the IPDM E/R)
to trailer tow relay 2 terminal 1.
Ground is supplied
to BCM terminal 67, and
to electric brake (pre-wiring) terminal 1
through grounds M57, M61 and M79, and
to IPDM E/R terminals 38 and 59
to trailer tow relay 1 terminal 2
to trailer tow relay 2 terminal 2, and
to trailer connector terminal 2
through grounds E9, E15 and E24.
TRAILER TAIL LAMP OPERATION
The trailer tail lamps are controlled by the trailer tow relay 1.
With the lighting switch in the parking and tail lamp ON (1ST) position, AUTO position (and the auto light sys-
tem is activated) or headlamp ON (2ND) position, power is supplied
through the tail lamp relay, located in the IPDM E/R
through 10A fuse (No. 36, located in the IPDM E/R)
through IPDM E/R terminal 49
to trailer tow relay 1 terminal 1.
When energized, trailer tow relay 1 supplies tail lamp power to trailer connector terminal 6.
TRAILER TURN SIGNAL AND HAZARD LAMP OPERATION
The trailer turn signal and hazard lamps are controlled by the BCM. If either turn signal or the hazard lamps
are turned on, the BCM supplies voltage to the trailer lamps to make them flash.
Left turn signal and hazard lamp output is supplied
through BCM terminal 52
to trailer connector terminal 1.
Right turn signal and hazard lamp output is supplied
through BCM terminal 51
to trailer connector terminal 4.
TRAILER STOP LAMP OPERATION
The trailer stop lamps are controlled by the electric brake. The electric brake receives stop lamp switch signal
when the brake pedal is pressed.
When the brake pedal is pressed, power is supplied
through electric brake (pre-wiring) terminal 3
to trailer connector terminal 3.
TRAILER POWER SUPPLY OPERATION
The trailer power supply is controlled by the trailer tow relay 2.
When the ignition switch is in the ON or START position, power is supplied
through 10A fuse (No. 51, located in the IPDM E/R)
through IPDM E/R terminal 16
to trailer tow relay 2 terminal 1.
When energized, the trailer tow relay 2 supplies power
through trailer tow relay 2 terminals 5 and 7
to trailer connector terminal 5.

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INFINITI QX4 2005 Factory Service Manual TRAILER TOW
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SchematicEKS00BB3
WKWA2417E

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INFINITI QX4 2005 Factory Service Manual LT-126
TRAILER TOW
Revision: October 20052005 QX56
Wiring Diagram — T/TOW —EKS00BB4
WKWA2418E

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INFINITI QX4 2005 Factory Service Manual TRAILER TOW
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Revision: October 20052005 QX56
WKWA2419E

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INFINITI QX4 2005 Factory Service Manual LT-128
TRAILER TOW
Revision: October 20052005 QX56
WKWA2420E

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INFINITI QX4 2005 Factory Service Manual INTERIOR ROOM LAMP
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Revision: October 20052005 QX56
INTERIOR ROOM LAMPPFP:26410
Component Parts and Harness Connector LocationEKS00BB5
WKIA3555E

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