2005 INFINITI QX4 Factory Service Manual

fuse diagram open hood width jacking points lock relay

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INFINITI QX4 2005 Factory Service Manual LT-58
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
4. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
WORK SUPPORT
Operation Procedure
1. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2. Touch

LT-58
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
4. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
WORK SUPPORT
Operation Procedure
1. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2. Touch "WORK SUPPORT" on "SELECT DIAG MODE" screen.
3. Touch "CUSTOM A/LIGHT SETTING" or "ILL DELAY SET" on "SELECT WORK ITEM" screen.
4. Touch "START".
5. Touch "MODE 1-4" of setting to be changed (CUSTOM A/LIGHT SETTING). Touch "MODE1-8" of setting
to be changed (ILL DELAY SET).
6. Touch "CHANGE SETT".
7. The setting will be changed and "CUSTOMIZING COMPLETED" will be displayed.
8. Touch "END".
Work Support Setting Item
Delay timer setting can be selected and set from eight modes.
Sensitivity of auto light can be selected and set from four modes.
DATA MONITOR
Operation Procedure
1. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2. Touch "DATA MONITOR" on "SELECT DIAG MODE" screen.
3. Touch either "ALL SIGNALS" or "SELECTION FROM MENU" on the "SELECT MONITOR ITEM" screen.
4. Touch "START".
5. When "SELECTION FROM MENU" is selected, touch individual items to be monitored. When "ALL SIG-
NALS" is selected, all the items will be monitored.
6. Touch "RECORD" while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch "STOP".
Display Item List
LKIA0183E
Work item Description
CUSTOM A/LIGHT SETTINGAuto light sensitivity can be changed in this mode. Sensitivity can be adjusted in four modes.
MODE 1 (Normal-default)/ MODE 2 (Desensitized)/MODE 3 (Sensitive)/MODE4 (Insensitive)
ILL DELAY SETAuto light delay off timer period can be changed in this mode. Selects auto light delay off timer
period among eight modes.
MODE 1 (45 sec.)/MODE 2 (OFF)/MODE 3 (30 sec.)/MODE 4 (60 sec.)/MODE 5 (90 sec.)/MODE
6 (120 sec.)/MODE 7 (150 sec.)/MODE 8 (180 sec.)
ALL SIGNALS Monitors all the signals.
SELECTION FROM MENU Selects and monitors individual signal.
Monitor item Contents
IGN ON SW "ON/OFF" Displays "IGN position (ON)/OFF, ACC position (OFF)" judged from the ignition switch signal.
ACC ON SW "ON/OFF" Displays "ACC (ON)/OFF, Ignition OFF (OFF)" status judged from ignition switch signal.

Page 2506 of 3419

INFINITI QX4 2005 Factory Service Manual AUTO LIGHT SYSTEM
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Revision: October 20052005 QX56ACTIVE TEST
Operation Procedure
1. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2. Touch "ACTIVE TEST" on "SELECT DI

AUTO LIGHT SYSTEM
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Revision: October 20052005 QX56ACTIVE TEST
Operation Procedure
1. Touch "HEAD LAMP" on "SELECT TEST ITEM" screen.
2. Touch "ACTIVE TEST" on "SELECT DIAG MODE" screen.
3. Touch item to be tested and check operation of the selected item.
4. During the operation check, touching "BACK" deactivates the operation.
Display Item List
SELF-DIAGNOSTIC RESULTS
Operation Procedure
1. Touch "BCM" on "SELECT TEST ITEM" screen.
2. Touch "SELF-DIAG RESULTS" on "SELECT DIAG MODE" screen.
3. Self-diagnostic results are displayed.
HI BEAM SW "ON/OFF"Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from lighting
switch signal.
HEAD LAMP SW 1 "ON/OFF"Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 2 judged from light-
ing switch signal.
HEAD LAMP SW 2 "ON/OFF"Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from light-
ing switch signal.
LIGHT SW 1ST "ON/OFF"Displays status (lighting switch 1st position: ON/Others: OFF) of lighting switch judged from
lighting switch signal.
AUTO LIGHT SW "ON/OFF"Displays status of the lighting switch as judged from the lighting switch signal. (AUTO position:
ON/Other than AUTO position: OFF)
PASSING SW "ON/OFF"Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged from
lighting switch signal.
FR FOG SW "ON/OFF"Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged from
lighting switch signal.
DOOR SW-DR "ON/OFF"Displays status of the front door LH as judged from the front door switch LH signal. (Door is
open: ON/Door is closed: OFF)
DOOR SW-AS "ON/OFF"Displays status of the front door RH as judged from the front door switch RH signal. (Door is
open: ON/Door is closed: OFF)
DOOR SW-RR "ON/OFF"Displays status of the rear door as judged from the rear door switch (RH) signal. (Door is
open: ON/Door is closed: OFF)
DOOR SW-RL "ON/OFF"Displays status of the rear door as judged from the rear door switch (LH) signal. (Door is open:
ON/Door is closed: OFF)
BACK DOOR SW "ON/OFF"Displays status of the back door as judged from the back door latch (door ajar switch) signal.
(Door is open: ON/Door is closed: OFF)
TURN SIGNAL R "ON/OFF" Displays status (Turn right: ON/Others: OFF) as judged from lighting switch signal.
TURN SIGNAL L "ON/OFF" Displays status (Turn left: ON/Others: OFF) as judged from lighting switch signal.
CARGO LAMP SW "ON/OFF" Displays status of cargo lamp.
OPTICAL SENSOR [0 - 5V] Displays "ambient light (close to 5V when dark/close to 0V when light)" judged from optical
sensor signal. Monitor item Contents
Te s t i t e m D e s c r i p t i o n
TAIL LAMP Allows tail lamp relay to operate by switching ON-OFF.
HEAD LAMP Allows headlamp relay (HI, LO) to operate by switching ON-OFF.
FR FOG LAMP Allows fog lamp relay to operate by switching ON-OFF.
CARGO LAMP Allows cargo lamp to operate by switching ON-OFF.

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INFINITI QX4 2005 Factory Service Manual LT-60
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
Display Item List
CONSULT-II Function (IPDM E/R)EKS00B92
CONSULT-II can display each diagnostic item using the diagnostic test modes shown follo

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INFINITI QX4 2005 Factory Service Manual AUTO LIGHT SYSTEM
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Revision: October 20052005 QX56
4. Select the desired part to be diagnosed on the "SELECT DIAG
MODE" screen.
DATA MONITOR
Operation Procedure
1. Touch

Page 2509 of 3419

INFINITI QX4 2005 Factory Service Manual LT-62
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
Trouble Diagnosis Chart by SymptomEKS00B93
Lighting Switch InspectionEKS00B94
1. CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
Select "BCM

LT-62
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
Trouble Diagnosis Chart by SymptomEKS00B93
Lighting Switch InspectionEKS00B94
1. CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor,
make sure "AUTO LIGHT SW" turns ON-OFF linked with operation
of lighting switch.
Without CONSULT-II
Refer to LT- 1 0 0 , "
Combination Switch Inspection" .
OK or NG
OK >> Inspection End.
NG >> Check lighting switch. Refer to LT-100, "
Combination
Switch Inspection" .
Headlamp relay (HI, LO) out-
put
LAMPSAllows headlamp relay (HI, LO) to operate by switching operation
(OFF, HI, LO) at your option (Headlamp high beam repeats ON-OFF
every 1 second).
Front fog lamp relay outputAllows fog lamp relay to operate by switching operation ON-OFF at
your option. Test item CONSULT-II screen display Description
Trouble phenomenon Malfunction system and reference
Parking lamps and headlamps will not illuminate when out-
side of the vehicle becomes dark. (Lighting switch 1st posi-
tion and 2nd position operate normally.)
Parking lamps and headlamp will not go out when outside of
the vehicle becomes light. (Lighting switch 1st position and
2nd position operate normally.)
Headlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.
Refer to LT- 5 8 , "WORK SUPPORT" .
Refer to LT- 6 2 , "Lighting Switch Inspection" .
Refer to LT- 6 3 , "Optical Sensor System Inspection" .
If above systems are normal, replace BCM. Refer to BCS-20,
"Removal and Installation of BCM" .
Parking lamps illuminate when outside of the vehicle becomes
dark, but headlamps stay off. (Lighting switch 1st position and
2nd position operate normally.)
Refer to LT- 5 8 , "WORK SUPPORT" .
Refer to LT- 6 3 , "Optical Sensor System Inspection" .
If above systems are normal, replace BCM. Refer to BCS-20,
"Removal and Installation of BCM" .
Auto light adjustment system will not operate. (Lighting switch
AUTO, 1st position and 2nd position operate normally.)
Refer to LT- 6 3 , "Optical Sensor System Inspection" .
If above system is normal, replace BCM. Refer to BCS-20, "
Removal
and Installation of BCM" .
Auto light adjustment system will not operate.
CAN communication line to BCM inspection. Refer to BCS-13,
"CAN Communication Inspection Using CONSULT-II (Self-Diagno-
sis)" .
Shut off delay feature will not operate.
CAN communication line inspection between BCM and combina-
tion meter. Refer to BCS-13, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .
Refer to BL-31, "Door Switch Check" .
If above system is normal, replace BCM. Refer to BCS-20, "
Removal
and Installation of BCM" .
When lighting switch is in
AUTO position: AUTO LIGHT SW ON
SKIA4196E

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INFINITI QX4 2005 Factory Service Manual AUTO LIGHT SYSTEM
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Revision: October 20052005 QX56
Optical Sensor System InspectionEKS00B95
1. CHECK OPTICAL SENSOR INPUT SIGNAL
With CONSULT-II
Select "BCM" on CONSULT-

Page 2511 of 3419

INFINITI QX4 2005 Factory Service Manual LT-64
AUTO LIGHT SYSTEM
Revision: October 20052005 QX56
Removal and Installation of Optical SensorEKS00B96
REMOVAL
1. Remove defrost grille. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Disconnect

Page 2512 of 3419

INFINITI QX4 2005 Factory Service Manual HEADLAMP AIMING CONTROL
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Revision: October 20052005 QX56
HEADLAMP AIMING CONTROLPFP:26010
System DescriptionEKS00B97
The headlamp aiming system is controlled by the head

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