Nissan Leaf. Manual — part 627
OPTICAL SENSOR
EXL-109
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
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EXL
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OPTICAL SENSOR
Component Function Check
INFOID:0000000010121365
1.
CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT DATA MONITOR
1. Turn power switch ON.
2. Select “OPTISEN (DTCT)” in “Data Monitor” of “BCM (HEADLAMP)”.
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-109, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010121366
Regarding Wiring Diagram information. Refer to
1.
CHECK OPTICAL SENSOR POWER SUPPLY INPUT
1. Turn power 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
M16
1
Ground
5 V
(+)
(
−)
Voltage
(Approx.)
Optical sensor
Connector
Terminal
M16
3
Ground
0 V
EXL-110
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
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. Refer to
EXL-138, "Removal and Installation"
.
4.
CHECK OPTICAL SENSOR OPEN CIRCUIT
1. Turn power 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-72, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT
1. Turn power 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-72, "Removal and Installation"
NO
>> Repair or replace harness.
7.
CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT
1. Turn power 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
M16
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
M16
1
M24
17
Yes
Optical sensor
Ground
Continuity
Connector
Terminal
M16
1
No
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M16
3
M24
18
Yes
OPTICAL SENSOR
EXL-111
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
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EXL
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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-72, "Removal and Installation"
NO
>> Repair or replace harness.
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M16
2
M24
14
Yes
Optical sensor
Ground
Continuity
Connector
Terminal
M16
2
No
EXL-112
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
HAZARD SWITCH
HAZARD SWITCH
Component Function Check
INFOID:0000000010121367
1.
CHECK HAZARD SWITCH SIGNAL BY CONSULT
CONSULT DATA MONITOR
1. Turn power switch ON.
2. Select “HAZARD SW” in “Data Monitor” of “BCM (FLASHER)”.
3. While operating the hazard switch, check the monitor status.
Is the inspection result normal?
YES
>> Hazard switch circuit is normal.
NO
>> Refer to
EXL-112, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010121368
Regarding Wiring Diagram information. Refer to
1.
CHECK HAZARD SWITCH SIGNAL INPUT
1. Turn power switch OFF.
2. Disconnect hazard switch connector.
3. Check voltage between hazard switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between hazard switch harness connector and BCM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT
Check continuity between hazard switch harness connector and ground.
Monitor item
Condition
Monitor status
HAZARD SW
Hazard switch
ON
On
OFF
Off
(+)
(
−)
Voltage (Approx.)
Hazard switch
Connector
Terminal
M45
2
Ground
Battery voltage
Hazard switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M45
2
M24
29
Yes
Hazard switch
Ground
Continuity
Connector
Terminal
M45
2
No
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