Infiniti QX56 (Z62). Manual — part 705
EXL-112
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
LICENSE PLATE LAMP CIRCUIT
LICENSE PLATE LAMP CIRCUIT
Component Function Check
INFOID:0000000006213978
1.
CHECK TAIL LAMP OPERATION
Check that the tail lamp is turned ON.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
EXL-109, "BODY SIDE : Component Function Check"
2.
CHECK LICENSE PLATE LAMP OPERATION
CONSULT-III ACTIVE TEST
1.
Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2.
With operating the lighting switch, check that the license plate lamp is turned ON.
Is the inspection result normal?
YES
>> License plate lamp circuit is normal.
NO
>> Refer to
EXL-112, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006213979
1.
CHECK LICENSE PLATE LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace bulb.
2.
CHECK LICENSE PLATE LAMP OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and license plate lamp connector.
3.
Check continuity between IPDM E/R harness connector and license plate lamp harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK LICENSE PLATE LAMP GROUND OPEN CIRCUIT
Check continuity between license plate lamp harness connector and ground.
Is the inspection result normal?
YES
>> Check corresponding bulb socket and harness. Repair or replace if necessary.
NO
>> Repair or replace harness.
TAIL
: License plate lamp ON
Off
: License plate lamp OFF
IPDM E/R
License plate lamp
Continuity
Connector
Terminal
Connector
Terminal
LH
E14
44
D167
1
Existed
RH
D168
License plate lamp
Ground
Continuity
Connector
Terminal
LH
D167
2
Existed
RH
D168
EXTERIOR LIGHTING SYSTEM SYMPTOMS
EXL-113
< SYMPTOM DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000006213980
CAUTION:
Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.
Symptom
Possible cause
Inspection 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 solenoid)
• IPDM E/R
• Harness between the front com-
bination lamp and ground
Headlamp (HI) circuit
Refer to
.
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM”
Refer to
EXL-117, "Diagnosis Procedure"
High beam indicator lamp is not turned ON.
[Headlamp (HI) is turned ON.]
Combination meter
• 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 (High
beam solenoid)
—
Both sides
• Combination switch
• Harness between the combina-
tion switch and BCM
• BCM
Combination switch
Refer to
.
High beam request signal
• BCM
• IPDM E/R
IPDM E/R
Data monitor “HL HI REQ”
IPDM E/R
—
Headlamp is not turned
ON.
One side
• Fuse
• Xenon bulb
• Harness between IPDM E/R
and the front combination lamp
• Front combination lamp (xenon
headlamp)
• IPDM E/R
• Harness between the front com-
bination lamp and ground
Headlamp (LO) circuit
Refer to
.
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON”
Refer to
EXL-118, "Diagnosis Procedure"
Headlamp is not turned
OFF.
When the ignition
switch is turned ON
The ignition switch is
turned OFF (After acti-
vating the battery sav-
er).
IPDM E/R
—
EXL-114
< SYMPTOM DIAGNOSIS >
[XENON TYPE]
EXTERIOR LIGHTING SYSTEM SYMPTOMS
Each lamp is not turned ON/OFF with lighting switch
AUTO.
• Combination switch
• Harness between combination
switch and BCM
• BCM
Combination switch
Refer to
.
• Optical sensor
• Harness between optical sen-
sor and BCM
• BCM
Optical sensor
Refer to
.
Front fog lamp is not
turned ON.
One side
• Front fog lamp bulb
• Harness between IPDM E/R
and front fog lamp
• Front fog lamp
• IPDM E/R
Front fog lamp circuit
Refer to
.
Both sides
Symptom diagnosis
“BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON”
Refer to
EXL-120, "Diagnosis Procedure"
Parking lamp is not turned ON.
• Parking lamp bulb
• Harness between IPDM E/R
and front combination lamp
• Front combination lamp
• IPDM E/R
Parking lamp circuit
Refer to
.
Front side marker lamp is not turned ON.
• Front side marker lamp bulb
• Harness between IPDM E/R
and front combination lamp
• Front combination lamp
• IPDM E/R
Front side marker lamp circuit
Refer to
.
Tail lamp or rear side
marker lamp is not turned
ON.
Body side
• Harness between IPDM E/R
and rear combination lamp
• Rear combination lamp
Tail lamp circuit (body side)
Refer to
.
Back door side
• Harness between IPDM E/R
and tail lamp (back door side)
• Tail lamp (back door side)
Tail lamp circuit (back door side)
Refer to
SIDE : Component Function
Check"
License plate lamp is not turned ON.
• License plate lamp bulb
• Harness between IPDM E/R
and license plate lamp
• License plate lamp
License plate lamp circuit
Refer to
.
Tail lamp, rear side marker lamp and license plate
lamp are not turned ON.
• Fuse
• Harness between IPDM E/R
and rear combination lamp (LH)
• IPDM E/R
Tail lamp circuit (body side)
Refer to
.
• Parking lamp, side marker lamp, tail lamp and li-
cense plate lamp are not turned ON.
• Parking lamp, side marker lamp, tail lamp and li-
cense plate lamp are not turned OFF.
(Each illumination is turned ON/OFF.)
Symptom diagnosis
“PARKING, LICENSE PLATE, SIDE MARKER LAMP AND TAIL LAMPS
ARE NOT TURNED ON”
Refer to
EXL-119, "Diagnosis Procedure"
Tail lamp indicator is not turned ON.
(Parking, side marker lamp and tail lamps are turned
ON.)
Combination meter
• Combination meter
Data monitor “LIGHT IND”
• BCM (HEAD LAMP)
Active test “TAIL LAMP”
Turn signal lamp does not
blink.
Indicator lamp is nor-
mal.
(Applicable side per-
forms the high flasher
activation.)
• Harness between BCM and
each turn signal lamp
• Turn signal lamp bulb
Turn signal lamp circuit
Refer to
.
Indicator lamp is includ-
ed.
• Combination switch
• Harness between combination
switch and BCM
• BCM
Combination switch
Refer to
.
Symptom
Possible cause
Inspection item
EXTERIOR LIGHTING SYSTEM SYMPTOMS
EXL-115
< SYMPTOM DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Turn signal indicator lamp
does not blink.
(Turn signal i lamp is nor-
mal.)
One side
Combination meter
—
Both sides
(Always)
• Turn signal indicator lamp sig-
nal
- BCM
• Combination meter
• Combination meter
Data monitor “TURN IND”
• BCM (FLASHER)
Active test “FLASHER”
Both sides
(Only when activating
hazard warning lamp
with the ignition switch
OFF)
• Combination meter power sup-
ply and ground circuit
• Combination meter
Combination meter
Power supply and ground circuit
Refer to
• Hazard warning lamp does not activate.
• Hazard warning lamp continues activating.
(Turn signal is normal.)
• Hazard switch
• Harness between hazard
switch and BCM
• BCM
Hazard switch
Refer to
.
AFS control does not activate.
• Harness between AFS control
unit and AFS switch.
• AFS control unit
AFS switch
Refer to
.
Headlamp auto aiming does not activate.
(AFS is normal.)
• Harness between AFS control
unit and aiming motor
• Front combination lamp
(Aiming motor)
• AFS control unit
Headlamp levelizer circuit
Refer to
.
AFS OFF indicator lamp is not turned ON.
• AFS OFF indicator lamp signal
- Combination meter
- AFS control unit
• Combination meter
Combination meter
Data monitor “AFS OFF IND”
Symptom
Possible cause
Inspection item
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