Infiniti QX56 (Z62). Manual — part 698
EXL-84
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AFS CONTROL UNIT
AFS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006213953
1.
FUSE INSPECTION
Check that the following fuses are not fusing.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the applicable circuit. And then replace the fuse.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between AFS control unit harness connectors and ground.
Is the inspection result normal?
YES
>> Power supply and ground circuit are normal.
NO
>> Repair harness or connector.
Signal name
Connection position
Fuse No.
Capacity
Ignition power supply
FUSE BLOCK (J/B)
3
10 A
(+)
(
−
)
Voltage
(Approx.)
AFS control unit
Connector
Terminal
M135
1
Ground
Battery voltage
AFS control unit
Ground
Continuity
Connector
Terminal
M135
25
Existed
EXTERIOR LAMP FUSE
EXL-85
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
EXTERIOR LAMP FUSE
Diagnosis Procedure
INFOID:0000000006213954
1.
CHECK FUSE
Check that the following fuses are not fusing.
Is the inspection result normal?
YES
>> The fuse is normal.
NO
>> Repair the applicable circuit. And then replace the fuse.
Unit
Location
Fuse No.
Capacity
Headlamp HI (LH)
IPDM E/R
#52
10 A
Headlamp HI (RH)
IPDM E/R
#51
10 A
Headlamp LO (LH)
IPDM E/R
#53
15 A
Headlamp LO (RH)
IPDM E/R
#54
15 A
Front fog lamp
IPDM E/R
#50
15 A
• Parking lamp (LH)
• Front side marker lamp (LH)
IPDM E/R
#46
10 A
• Parking lamp (RH)
• Front side marker lamp (RH)
IPDM E/R
#47
10 A
• Tail lamp (Back door side LH/RH)
• Tail lamp (Body side LH)
• License plate lamp
• Rear side marker lamp (LH)
IPDM E/R
#46
10 A
• Tail lamp (Body side RH)
• Rear side marker lamp (RH)
IPDM E/R
#47
10 A
Stop lamp
FUSE BLOCK (J/B)
#7
10 A
Back-up lamp
IPDM E/R
#55
10 A
EXL-86
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HEADLAMP (HI) CIRCUIT
HEADLAMP (HI) CIRCUIT
Component Function Check
INFOID:0000000006213955
1.
CHECK HEADLAMP (HI) 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 (HI) is turned ON.
NOTE:
ON/OFF is repeated 1 second each.
Is the inspection result normal?
YES
>> Headlamp (HI) circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006213956
1.
CHECK HEADLAMP (HI) 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 (HI) 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 (HI) FUSE
1.
Turn ignition switch OFF.
Hi
: Headlamp (HI) ON
Off
: Headlamp (HI) OFF
(+)
(
−
)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E15
49
Ground
EXTERNAL
LAMPS
Hi
Battery voltage
Off
0 V
LH
50
Hi
Battery voltage
Off
0 V
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E15
49
E119
6
Existed
LH
50
E118
HEADLAMP (HI) CIRCUIT
EXL-87
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
2.
Check that the following fuses are not fusing.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> GO TO 4.
4.
CHECK HEADLAMP HIGH (HI) 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 (HI) 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
>> Replace front combination lamp.
NO
>> Repair or replace harness.
Unit
Location
Fuse No.
Capacity
Headlamp HI (RH)
IPDM E/R
#51
10 A
Headlamp HI (LH)
#52
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E15
49
Not existed
LH
50
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E119
2
Existed
LH
E118
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