Infiniti FX35, FX50 (S51). Manual — part 1018
EXL-68
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HEADLAMP (HI) CIRCUIT
Is the measurement value normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK HEADLAMP (HI) OPEN CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between the IPDM E/R harness connector and the front combination lamp harness con-
nector.
Does continuity exist?
YES
>> GO TO 5.
NO
>> Repair the harnesses or connectors.
3.
CHECK HEADLAMP (HI) FUSE
1.
Turn the ignition switch OFF.
2.
Check that the following fuses are not fusing.
Is the fuse fusing?
YES
>> GO TO 4.
NO
>> Replace IPDM E/R.
4.
CHECK FRONT COMBINATION LAMP (HI) SHORT CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between the IPDM E/R harness connector terminal and the ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors. And then replace the fuse.
NO
>> Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)
Terminals
Test item
Voltage
(Approx.)
(+)
(
−
)
IPDM E/R
Ground
EXTERNAL
LAMPS
Connector
Terminal
RH
E8
89
Hi
Battery
voltage
Off
0 V
LH
90
Hi
Battery
voltage
Off
0 V
IPDM E/R
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E8
89
E28
1
Existed
LH
90
E58
1
Unit
Location
Fuse No.
Capacity
Headlamp HI (RH)
IPDM E/R
#55
10 A
Headlamp HI (LH)
IPDM E/R
#54
10 A
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E8
89
Not existed
LH
90
HEADLAMP (HI) CIRCUIT
EXL-69
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
5.
CHECK HEADLAMP (HI) GROUND OPEN CIRCUIT
Check continuity between the front combination lamp harness connector and the ground.
Does continuity exist?
YES
>> Replace the front combination lamp.
NO
>> Repair the harnesses or connectors.
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E28
3
Existed
LH
E58
3
EXL-70
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HEADLAMP (LO) CIRCUIT
HEADLAMP (LO) CIRCUIT
Description
INFOID:0000000005244733
Headlamp (LO) circuit is connected to HID control unit integrated in the headlamp. Headlamp (LO) circuit turns
xenon headlamp ON.
For the details of HID control unit and the xenon headlamp, refer to
.
Component Function Check
INFOID:0000000005244734
1.
CHECK HEADLAMP (LO) OPERATION
IPDM E/R AUTO ACTIVE TEST
1.
Activate IPDM E/R auto active test. Refer to
PCS-11, "Diagnosis Description"
.
2.
Check that the headlamp is turned ON.
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 is turned ON.
Is the headlamp turned ON?
YES
>> Headlamp (LO) is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005244735
1.
CHECK HEADLAMP (LO) OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1.
Turn the ignition switch OFF.
2.
Disconnect the headlamp connector.
3.
Turn the ignition switch ON.
4.
Select "EXTERNAL LAMPS" of IPDM E/R active test item.
5.
With operating the test items, check the voltage between the IPDM E/R harness connector and the
ground.
Is the measurement value normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK HEADLAMP (LO) OPEN CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between the IPDM E/R harness connector and the headlamp harness connector.
Low
: Headlamp ON
Off
: Headlamp OFF
Terminals
Test item
Voltage
(Approx.)
(+)
(
−
)
IPDM E/R
Ground
EXTERNAL
LAMPS
Connector
Terminal
RH
E8
83
Low
Battery
voltage
Off
0 V
LH
84
Low
Battery
voltage
Off
0 V
HEADLAMP (LO) CIRCUIT
EXL-71
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Does continuity exist?
YES
>> GO TO 5.
NO
>> Repair the harnesses or connectors.
3.
CHECK HEADLAMP (LO) FUSE
1.
Turn the ignition switch OFF.
2.
Check that the following fuses are not fusing.
Is the fuse fusing?
YES
>> GO TO 4.
NO
>> Replace IPDM E/R.
4.
CHECK HEADLAMP (LO) SHORT CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between the IPDM E/R harness connector and the ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors. And then replace the fuse.
NO
>> Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)
5.
CHECK HEADLAMP (LO) GROUND OPEN CIRCUIT
Check continuity between the headlamp harness connector and the ground.
Does continuity exist?
YES
>> Perform the xenon headlamp diagnosis. Refer to
.
NO
>> Repair the harnesses or connectors.
IPDM E/R
Headlamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E8
83
E25
1
Existed
LH
84
E55
1
Unit
Lotion
Fuse No.
Capacity
Headlamp LO (RH)
IPDM E/R
#57
15 A
Headlamp LO (LH)
IPDM E/R
#56
15 A
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E8
83
Not existed
LH
84
Headlamp
Ground
Continuity
Connector
Terminal
RH
E25
2
Existed
LH
E55
2
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