Nissan Quest E52. Instruction — part 647
EXL-192
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
FRONT FOG LAMP CIRCUIT
NO
>> Repair or replace harness.
4.
CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT
Check continuity between front fog lamp harness connector and ground.
Is the inspection result normal?
YES
>> Refer to
GI-42, "Intermittent Incident"
.
NO
>> Repair or replace harness.
Front fog lamp
Ground
Continuity
Connector
Terminal
RH
E402
2
Existed
LH
E331
OPTICAL SENSOR
EXL-193
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
OPTICAL SENSOR
Component Function Check
INFOID:0000000009653170
1.
CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT DATA MONITOR
1.
Turn ignition switch ON.
2.
Select “OPTISEN (DTCT)” of BCM (HEADLAMP) data monitor item.
3.
Turn lighting switch AUTO.
4.
With the optical sensor illuminating, check the monitor status.
*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.
Is the inspection result normal?
YES
>> Optical sensor is normal.
NO
>> Refer to
EXL-193, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000009653171
1.
CHECK OPTICAL SENSOR POWER SUPPLY INPUT
1.
Turn ignition switch ON.
2.
Turn lighting switch AUTO.
3.
Check voltage between optical sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK OPTICAL SENSOR GROUND INPUT
Check voltage between optical sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 6.
3.
CHECK OPTICAL SENSOR SIGNAL OUTPUT
With illuminating the optical sensor, check voltage between optical sensor harness connector and ground.
Monitor item
Condition
Voltage (Approx.)
OPTISEN (DTCT)
Optical sensor
When illuminating
3.1 V or more *
When shutting off light
0.6 V or less
(+)
(
−
)
Voltage
(Approx.)
Optical sensor
Connector
Terminal
M17
1
Ground
5 V
(+)
(
−
)
Voltage
(Approx.)
Optical sensor
Connector
Terminal
M17
3
Ground
0 V
EXL-194
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN TYPE]
OPTICAL SENSOR
*: Illuminate the optical sensor. The value may be less than the standard if brightness is weak.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace the optical sensor.
4.
CHECK OPTICAL SENSOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect optical sensor connector and BCM connector.
3.
Check continuity between optical sensor harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK OPTICAL SENSOR SHORT CIRCUIT
Check continuity between optical sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect optical sensor connector and BCM connector.
3.
Check continuity between optical sensor harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> Repair or replace harness.
7.
CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect optical sensor connector and BCM connector.
3.
Check continuity between optical sensor harness connector and BCM harness connector.
(+)
(
−
)
Condition
Voltage
(Approx.)
Optical sensor
Connector
Terminal
M17
2
Ground
Optical sensor
When illuminating
3.1 V or more *
When shutting off light
0.6 V or less
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
1
M121
17
Existed
Optical sensor
Ground
Continuity
Connector
Terminal
M17
1
Not existed
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
3
M121
18
Existed
OPTICAL SENSOR
EXL-195
< 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
>> GO TO 8.
NO
>> Repair or replace harness.
8.
CHECK OPTICAL SENSOR SHORT CIRCUIT
Check continuity between optical sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> Repair or replace harness.
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
2
M121
14
Existed
Optical sensor
Ground
Continuity
Connector
Terminal
M17
2
Not existed
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