Nissan Leaf. Instruction — part 626
FRONT FOG LAMP CIRCUIT
EXL-105
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
FRONT FOG LAMP CIRCUIT
Component Function Check
INFOID:0000000010121361
1.
CHECK FRONT FOG LAMP OPERATION
CONSULT ACTIVE TEST
1. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”.
2. While operating the test items, check that the front fog lamp is turned ON.
Is the measurement normal?
YES
>> Front fog lamp circuit is normal.
NO
>> Refer to
EXL-105, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010121362
Regarding Wiring Diagram information. Refer to
1.
CHECK FRONT FOG LAMP FUSE
1. Turn power switch OFF.
2. Check that the following fuse is not blown:
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK FRONT FOG LAMP SHORT CIRCUIT
1. Disconnect front fog connector and 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 blown again.)
NO
>> Replace the blown fuse after repairing the affected circuit.
3.
CHECK FRONT FOG LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace bulb.
4.
CHECK FRONT FOG LAMP OUTPUT VOLTAGE
CONSULT ACTIVE TEST
1. Disconnect front fog lamp connector.
2. Turn power switch ON.
3. Select “EXTERNAL LAMPS” in “Active Test” of “IPDM E/R”.
Fog
: Front fog lamp ON
Off
: Front fog lamp OFF
Unit
Location
Fuse No.
Capacity
Front fog lamp
IPDM E/R
50
15 A
IPDM E/R
Ground
Continuity
Connector
Terminal
RH
E12
19
No
LH
20
EXL-106
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
FRONT FOG LAMP CIRCUIT
4. While operating the test items, check the voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
5.
CHECK FRONT FOG LAMP OPEN CIRCUIT
1. Turn power switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and front fog lamp harness connector.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
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-53, "Intermittent Incident"
.
NO
>> Repair or replace harness.
(+)
(
−)
Test item
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
RH
E12
19
Ground
EXTERNAL
LAMPS
Fog
Battery voltage
Off
0 V
LH
20
Fog
Battery voltage
Off
0 V
IPDM E/R
Front fog lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E12
19
E48
1
Yes
LH
20
E30
Front fog lamp
Ground
Continuity
Connector
Terminal
RH
E48
2
Yes
LH
E30
TURN SIGNAL LAMP CIRCUIT
EXL-107
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
TURN SIGNAL LAMP CIRCUIT
Component Function Check
INFOID:0000000010121363
1.
CHECK TURN SIGNAL LAMP
CONSULT ACTIVE TEST
1. Select “FLASHER” in “Active Test” of “BCM (FLASHER)”.
2. While operating the test items, check that the turn signal lamps is turned ON.
Is the inspection result normal?
YES
>> Turn signal lamp circuit is normal.
NO
>> Refer to
EXL-107, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010121364
Regarding Wiring Diagram information. Refer to
1.
CHECK TURN SIGNAL LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace bulb.
2.
CHECK TURN SIGNAL LAMP OUTPUT VOLTAGE
1. Turn power switch OFF.
2. Disconnect front combination lamp connector and rear combination lamp connector.
3. Turn power switch ON.
4. While operating the turn signal switch, check voltage between BCM harness connector and ground.
LH
: Turn signal lamps (LH) ON
RH
: Turn signal lamps (RH) ON
Off
: Turn signal lamps OFF
(+)
(–)
Condition
Voltage
(Approx.)
BCM
Connector
Terminal
LH
M25
60
Ground
Turn signal
switch
LH
OFF
0 V
RH
61
RH
OFF
0 V
PKID0926E
PKID0926E
EXL-108
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
TURN SIGNAL LAMP CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK TURN SIGNAL LAMP OPEN CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and front combination lamp, side turn signal lamp or
rear combination lamp harness connector.
Front turn signal lamp
Rear turn signal lamp
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
4.
CHECK TURN SIGNAL LAMP SHORT CIRCUIT
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Check each bulb socket for internal short circuit, and if check result is normal, replace BCM. Refer
to
BCS-72, "Removal and Installation"
.
NO
>> Repair or replace harness.
5.
CHECK TURN SIGNAL LAMP GROUND OPEN CIRCUIT
Check continuity between BCM harness connector and front combination lamp or rear combination lamp and
ground.
Front turn signal lamp
Rear turn signal lamp
Is the inspection result normal?
YES
>> Check corresponding bulb socket and harness. Repair or replace if necessary.
NO
>> Repair or replace harness.
BCM
Front combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
M25
61
E86
8
Yes
LH
60
E85
BCM
Rear combination lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
M25
61
B59
4
Yes
LH
60
B80
BCM
Ground
Continuity
Connector
Terminal
RH
M25
61
No
LH
60
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E86
7
Yes
LH
E85
Rear combination lamp
Ground
Continuity
Connector
Terminal
RH
B59
7
Yes
LH
B80
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