2007 INFINITI QX56 Factory Service Manual

air condition seat memory jump cable climate control width catalytic converter

Page 2249 of 3061

INFINITI QX56 2007 Factory Service Manual LT-42
< SERVICE INFORMATION >
AUTO LIGHT SYSTEM
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct.
ACTIVE TEST

LT-42
< SERVICE INFORMATION >
AUTO LIGHT SYSTEM
NOTE:
Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is at ACC, the dis-
play may not be correct.
ACTIVE TEST
Trouble Diagnosis Chart by SymptomINFOID:0000000003533380
Lighting Switch InspectionINFOID:0000000003533381
1.CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
Item nameCONSULT-II
screen displayDisplay or
unitMonitor item selection
Description
ALL
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
Parking, license plate
and tail lamps requestTAIL&CLR REQ ON/OFF×× ×Signal status input from BCM
Headlamp low beam re-
questHL LO REQ ON/OFF×× ×Signal status input from BCM
Headlamp high beam re-
questHL HI REQ ON/OFF×× ×Signal status input from BCM
Front fog lamps request FR FOG REQ ON/OFF×× ×Signal status input from BCM
Test item CONSULT-II screen display Description
Tail lamp relay output TAIL LAMPAllows tail lamp relay to operate by switching operation ON-OFF at your
option.
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.
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- 4 0 , "
CONSULT-II Function (BCM)" .
•Refer to LT- 7 3 , "
Combination Switch Inspection" .
•Refer to LT- 4 3 , "
Optical Sensor System Inspection" .
If above systems are normal, replace BCM. Refer to BCS-24, "
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- 4 0 , "
CONSULT-II Function (BCM)" .
•Refer to LT- 4 3 , "
Optical Sensor System Inspection" .
If above systems are normal, replace BCM. Refer to BCS-24, "
BCM" .
Auto light adjustment system will not operate. (Lighting switch
AUTO, 1st position and 2nd position operate normally.)•Refer to LT- 4 3 , "
Optical Sensor System Inspection" .
If above system is normal, replace BCM. Refer to BCS-24, "
BCM" .
Auto light adjustment system will not operate.• CAN communication line to BCM inspection. Refer to BCS-18,
"CAN Communication Inspection Using CONSULT-II (Self-Diagno-
sis)" .
Shut off delay feature will not operate.• CAN communication line inspection between BCM and combination
meter. Refer to BCS-18, "
CAN Communication Inspection Using
CONSULT-II (Self-Diagnosis)" .
•Refer toBL-25, "
Door Switch Check" .
If above system is normal, replace BCM. Refer to BCS-24, "
BCM" .

Page 2250 of 3061

INFINITI QX56 2007 Factory Service Manual AUTO LIGHT SYSTEM
LT-43
< SERVICE INFORMATION >
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Select "BCM" on CONSULT-II. With "HEAD LAMP" data monitor,
make sure "AUTO LIGHT SW" turns ON-OFF linked with operation

Page 2251 of 3061

INFINITI QX56 2007 Factory Service Manual LT-44
< SERVICE INFORMATION >
AUTO LIGHT SYSTEM
1. Check continuity (open circuit) between BCM harness connector
M20 terminal 58 and optical sensor harness connector M402
terminal 4.
2. Check continui

Page 2252 of 3061

INFINITI QX56 2007 Factory Service Manual HEADLAMP AIMING CONTROL
LT-45
< SERVICE INFORMATION >
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HEADLAMP AIMING CONTROL
System DescriptionINFOID:0000000003533384
The headlamp aiming system is controlled by the

Page 2253 of 3061

INFINITI QX56 2007 Factory Service Manual LT-46
< SERVICE INFORMATION >
HEADLAMP AIMING CONTROL
Wiring Diagram - H/AIM -
INFOID:0000000003533385
WKWA3650E

Page 2254 of 3061

INFINITI QX56 2007 Factory Service Manual HEADLAMP AIMING CONTROL
LT-47
< SERVICE INFORMATION >
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Headlamp Aiming SwitchINFOID:0000000003533386
REMOVAL AND INSTALLATION
Removal
1. Remove cluster lid A. Refer to

Page 2255 of 3061

INFINITI QX56 2007 Factory Service Manual LT-48
< SERVICE INFORMATION >
HEADLAMP AIMING CONTROL
2. Carefully release the headlamp aiming switch retaining pawls
and remove the switch.
Installation
Installation is in the reverse order of remova

Page 2256 of 3061

INFINITI QX56 2007 Factory Service Manual FRONT FOG LAMP
LT-49
< SERVICE INFORMATION >
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FRONT FOG LAMP
Component Parts and Harness Connector LocationINFOID:0000000003533388
System DescriptionINFOID:0000000003533

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