Nissan Quest E52. Instruction — part 643
EXL-176
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
HEADLAMP (HI) CIRCUIT
WITH DAYTIME RUNNING LIGHT SYSTEM : Diagnosis Procedure
INFOID:0000000009653152
1.
CHECK HEADLAMP (HI) OUTPUT VOLTAGE
CONSULT ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Disconnect headlamp high 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 headlamp high 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.
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 (HI) SHORT CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and ground.
(+)
(
−
)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E345
89
Ground
EXTERNAL
LAMPS
Hi
Battery voltage
Off
0 V
LH
90
Hi
Battery voltage
Off
0 V
IPDM E/R
Headlamp high
Continuity
Connector
Terminal
Connector
Terminal
RH
E345
89
E326
1
Existed
LH
90
E325
Unit
Location
Fuse No.
Capacity
Headlamp HI (RH)
IPDM E/R
#55
10 A
Headlamp HI (LH)
#54
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E345
89
Not existed
LH
90
HEADLAMP (HI) CIRCUIT
EXL-177
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
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 ILLUMINATION STATUS OF HEADLAMPS
Check illumination status of headlamps.
Which headlamp does not turn ON?
RH
>> GO TO 6.
LH
>> GO TO 8.
6.
CHECK HEADLAMP HI (RH) GROUND OPEN CIRCUIT-1
1.
Remove daytime running light relay.
2.
Check continuity between daytime running light relay harness connector and headlamp high RH harness
connector.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness.
7.
CHECK HEADLAMP HI (RH) GROUND OPEN CIRCUIT-2
Check continuity between daytime running light relay harness connector and ground.
Is the inspection result normal?
YES
>> Replace headlamp (HI) bulb. (Bulb socket is abnormal.)
NO
>> Repair or replace harness.
8.
CHECK HEADLAMP HI (LH) GROUND OPEN CIRCUIT
Check continuity between headlamp high LH harness connector and ground.
Is the inspection result normal?
YES
>> Replace headlamp (HI) bulb. (Bulb socket is abnormal.)
NO
>> Repair or replace harness.
Daytime running light relay
Headlamp high RH
Continuity
Connector
Terminal
Connector
Terminal
E17
3
E326
2
Existed
Daytime running light relay
Ground
Continuity
Connector
Terminal
E17
4
Existed
Headlamp high LH
Ground
Continuity
Connector
Terminal
E325
2
Existed
EXL-178
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
HEADLAMP (LO) CIRCUIT
HEADLAMP (LO) CIRCUIT
Component Function Check
INFOID:0000000009653153
1.
CHECK HEADLAMP (LO) OPERATION
CONSULT 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
EXL-178, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009653154
1.
CHECK HEADLAMP (LO) OUTPUT VOLTAGE
CONSULT ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Disconnect headlamp low 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 headlamp low 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
E345
83
Ground
EXTERNAL
LAMPS
Lo
Battery voltage
Off
0 V
LH
84
Lo
Battery voltage
Off
0 V
IPDM E/R
Headlamp low
Continuity
Connector
Terminal
Connector
Terminal
RH
E345
83
E351
1
Existed
LH
84
E350
HEADLAMP (LO) CIRCUIT
EXL-179
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN 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 headlamp low connector.
3.
Check continuity between headlamp low harness connector and ground.
Is the inspection result normal?
YES
>> Replace headlamp (LO) bulb. (Bulb socket is abnormal.)
NO
>> Repair or replace harness.
Unit
Lotion
Fuse No.
Capacity
Headlamp LO (RH)
IPDM E/R
#57
15 A
Headlamp LO (LH)
#56
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E345
83
Not existed
LH
84
Headlamp low
Ground
Continuity
Connector
Terminal
RH
E351
2
Existed
LH
E350
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