headlamp INFINITI QX56 2008 Factory Workshop Manual

HEADLAMPEXL-43
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
HEADLAMP
Wiring Diagram INFOID:0000000001547143
AALWA0085GB
Revision: March 2010 2008 QX56

EXL-44
< COMPONENT DIAGNOSIS >
HEADLAMP
AWLIA0153GB
Revision: March 20102008 QX56

HEADLAMPEXL-45
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
AALIA0182GB
Revision: March 2010 2008 QX56

EXL-46
< COMPONENT DIAGNOSIS >
HEADLAMP
AALIA0183GB
Revision: March 20102008 QX56

HEADLAMP AIMING SYSTEM (MANUAL)EXL-61
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
HEADLAMP AIMING SYSTEM (MANUAL)
Wiring DiagramINFOID:0000000001806207
AALWA0087GB
Revision: March 2010 2008 QX56

EXL-62
< COMPONENT DIAGNOSIS >
HEADLAMP AIMING SYSTEM (MANUAL)
AALIA0188GB
Revision: March 20102008 QX56

HEADLAMP AIMING SYSTEM (MANUAL)EXL-63
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
AWLIA0190GB
Revision: March 2010 2008 QX56

EXL-64
< COMPONENT DIAGNOSIS >
HEADLAMP AIMING SYSTEM (MANUAL)
AWLIA0191GB
Revision: March 20102008 QX56

EXTERIOR LIGHTING SYSTEM SYMPTOMSEXL-101
< SYMPTOM DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000001547153
CAUTION:
Perform the self-diagnosis with CONS ULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.
Symptom Possible causeInspection item
Headlamp does not
switch to the high beam. One side•Fuse
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp
(High beam relay)
• IPDM E/R Headlamp (HI) circuit
Refer to
EXL-28
.
Both sides Symptom diagnosis
"BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM"
Refer to EXL-104
.
High beam indicator lamp is not turned ON.
(Headlamp switches to the high beam.) • Combination meter
•BCM• Combination meter.
Data monitor "HI-BEAM IND"
• BCM (HEAD LAMP) Active test "HEADLAMP"
Headlamp does not
switch to the low beam. One side
Front combination lamp (Low
beam relay)
—
Both sides • Combination switch
• Harness between the combina-
tion switch and BCM
•BCM Combination switch
Refer to
BCS-36
.
High beam request signal
•BCM
• IPDM E/R IPDM E/R
Data monitor "HL HI REQ"
IPDM E/R —
Headlamp does not turn
ON. One side•Fuse
•Bulb
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp
• IPDM E/R Headlamp (LO) circuit
Refer to
EXL-30
.
Both sides Symptom diagnosis
"BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON"
Refer to EXL-105, "
Description".
Headlamp does not turn
OFF. When the ignition
switch is turned ON
•BCM
• Combination switch Combination switch
Refer to
BCS-36
.
The ignition switch is
turned OFF (After acti-
vating the battery sav-
er). IPDM E/R
—
Headlamp is not turned ON/OFF with the lighting
switch AUTO. • Combination switch
• Harness between the combina-
tion switch and BCM
•BCM Combination switch
Refer to
BCS-36
.
• Optical sensor
• Harness between the optical sensor and BCM
•BCM Optical sensor
Refer to
EXL-40
.
Revision: March 2010 2008 QX56

NORMAL OPERATING CONDITIONEXL-103
< SYMPTOM DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000001547154
XENON HEADLAMPS
The brightness and color of the light may vary slightly immediately after turning the headlamp ON. This condi-
tionwill remain until the xenon bulb becomes stable. This is normal.
• Illumination time lag may occur between right and left. This is normal.
AUTO LIGHT SYSTEM
The auto light system may not turn the headlamp ON/O FF immediately after passing a dark area or a bright
area (short tunnel, sky bridge, shadowed area etc.). This is normal.
Revision: March 2010 2008 QX56