Infiniti QX56 (Z62). Manual — part 699
EXL-88
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HEADLAMP (LO) CIRCUIT
HEADLAMP (LO) CIRCUIT
Component Function Check
INFOID:0000000006213957
1.
CHECK HEADLAMP (LO) OPERATION
CONSULT-III ACTIVE TEST
1.
Select “EXTERNAL LAMPS” of IPDM E/R active test item.
2.
With operating the test items, check that the headlamp (LO) is turned ON.
Is the inspection result normal?
YES
>> Headlamp (LO) is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006213958
1.
CHECK HEADLAMP (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp connector.
3.
Turn ignition switch ON.
4.
Select “EXTERNAL LAMPS” of IPDM E/R active test item.
5.
With operating the test items, check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK HEADLAMP (LO) OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector and front combination lamp harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
3.
CHECK HEADLAMP (LO) FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuses are not fusing.
Lo
: Headlamp (LO) ON
Off
: Headlamp (LO) OFF
(+)
(
−
)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E15
52
Ground
EXTERNAL
LAMPS
Lo
Battery voltage
Off
0 V
LH
51
Lo
Battery voltage
Off
0 V
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E15
52
E119
5
Existed
LH
51
E118
HEADLAMP (LO) CIRCUIT
EXL-89
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> GO TO 4.
4.
CHECK HEADLAMP (LO) SHORT CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace fuse. (Replace IPDM E/R if the fuse is fusing again.)
NO
>> Repair or replace harness. And then replace the fuse.
5.
CHECK HEADLAMP (LO) GROUND OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp connector.
3.
Check continuity between front combination lamp harness connector and ground.
Is the inspection result normal?
YES
>> Perform the xenon headlamp diagnosis. Refer to
.
NO
>> Repair or replace harness.
Unit
Lotion
Fuse No.
Capacity
Headlamp LO (RH)
IPDM E/R
#54
15 A
Headlamp LO (LH)
#53
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E15
52
Not existed
LH
51
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E119
1
Existed
LH
E118
EXL-90
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
XENON HEADLAMP
XENON HEADLAMP
Diagnosis Procedure
INFOID:0000000006213959
1.
CHECK XENON BULB
Install the normal bulb to the applicable headlamp. Turn the lighting switch ON.
Is the headlamp turned ON?
YES
>> Replace xenon bulb.
NO
>> GO TO 2.
2.
CHECK HID CONTROL UNIT
Install the normal HID control unit to the applicable headlamp. Turn the lighting switch ON
Is the headlamp turned ON?
YES
>> Replace HID control unit.
NO
>> Xenon headlamp is normal. Check headlamp control system.
HEADLAMP LEVELIZER CIRCUIT
EXL-91
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
HEADLAMP LEVELIZER CIRCUIT
Component Function Check
INFOID:0000000006213960
1.
CHECK AIMING MOTOR OPERATION
CONSULT-III ACTIVE TEST
1.
Start the engine.
2.
Turn the lighting switch 2ND.
3.
Select “LEVELIZER TEST” of ADAPTIVE LIGHT active test item.
4.
With operating the test item, check the operation.
Is the operation normal?
YES
>> Headlamp levelizer circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006213961
1.
CHECK AIMING MOTOR DRIVE SIGNAL OUTPUT
CONSULT-III ACTIVE TEST
1.
Start the engine.
2.
Turn light switch 2ND.
3.
Select “LEVELIZER TEST” of ADAPTIVE LIGHT active test item.
4.
With operating the test item, check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK AIMING MOTOR DRIVE SIGNAL OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector and headlamp aiming motor connector.
3.
Check continuity between AFS control unit harness connector and head lamp aiming motor harness con-
nector.
Is the inspection result normal?
YES
>> Replace front combination lamp.
NO
>> Repair or replace harness.
Test item
Optical axis
LEVELIZER TEST
Origin
Standard positon
Peak
Lowest position
(+)
(
−
)
Test item
Voltage
(Approx.)
AFS control unit
Connector
Terminal
RH
M135
19
Ground
LEVELIZER TEST
Origin
7.5 V
Peak
7.3 V
LH
40
Origin
7.5 V
Peak
7.3 V
AFS control unit
Headlamp aiming motor
Continuity
Connector
Terminal
Connector
Terminal
RH
M135
19
E121
1
Existed
LH
40
E120
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