Nissan Leaf. Manual — part 662
HAZARD SWITCH
EXL-249
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
HAZARD SWITCH
Component Function Check
INFOID:0000000010121468
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-249, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010121469
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
EXL-250
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
HAZARD SWITCH
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK HAZARD SWITCH GROUND OPEN CIRCUIT
Check continuity between hazard switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace hazard switch. Refer to
EXL-273, "Removal and Installation"
NO
>> Repair or replace harness.
Hazard switch
Ground
Continuity
Connector
Terminal
M45
1
Yes
EXTERIOR LIGHTING SYSTEM SYMPTOMS
EXL-251
< SYMPTOM DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
SYMPTOM DIAGNOSIS
EXTERIOR LIGHTING SYSTEM SYMPTOMS
WITHOUT DAYTIME RUNNING LIGHT SYSTEM
WITHOUT DAYTIME RUNNING LIGHT SYSTEM : Symptom Table
INFOID:0000000010121470
CAUTION:
Perform the “Self Diagnostic Result” with CONSULT before the symptom diagnosis. Perform the trou-
ble diagnosis if any DTC is detected.
Symptom
Possible cause
Inspection item
Headlamp (HI) is not
turned ON.
One side
• Fuse
• Halogen bulb (HI)
• Harness between IPDM E/R
and front combination lamp
• Harness between front combi-
nation lamp and ground
• IPDM E/R
Headlamp (HI) circuit
Refer to
TIME RUNNING LIGHT SYSTEM :
Component Function Check"
.
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON”
Refer to
EXL-256, "WITHOUT DAYTIME RUNNING LIGHT SYSTEM :
High beam indicator lamp is not turned ON.
[Headlamp (HI) is turned ON.]
Combination meter
• Combination meter
Data monitor “HI-BEAM IND”
• BCM (HEAD LAMP)
Active test “HEADLAMP”
Headlamp (LO) is not
turned ON.
[Headlamp warning lamp
is not turned ON.]
One side
• Fuse
• Harness between IPDM E/R
and front combination lamp
• IPDM E/R
Headlamp (LO) circuit
Refer to
.
Both sides
Symptom diagnosis
“BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON”
Refer to
EXL-258, "Diagnosis Procedure"
Each lamp is not turned ON/OFF using lighting
switch AUTO.
• Combination switch
• Harness between combination
switch and BCM
• BCM
Combination switch
Refer to
.
• Optical sensor
• Harness between optical sen-
sor and BCM
• BCM
Optical sensor
Refer to
.
Parking lamp is not turned ON.
• Fuse
• Parking lamp bulb
• Parking lamp bulb socket
• Harness between IPDM E/R
and front combination lamp
• Harness between front combi-
nation lamp and ground
• IPDM E/R
Parking lamp circuit
Refer to
.
Front side marker lamp is not turned ON.
• Fuse
• Front side marker lamp bulb
• Front side marker lamp bulb
socket
• Harness between IPDM E/R
and front side marker lamp
• Harness between front side
marker lamp and ground
Front side marker lamp circuit
Refer to
.
EXL-252
< SYMPTOM DIAGNOSIS >
[HALOGEN HEADLAMP]
EXTERIOR LIGHTING SYSTEM SYMPTOMS
WITH DAYTIME RUNNING LIGHT SYSTEM
WITH DAYTIME RUNNING LIGHT SYSTEM : Symptom Table
INFOID:0000000010121471
CAUTION:
Tail lamp and rear side marker lamp are not turned
ON.
• Fuse
• Harness between IPDM E/R
and rear combination lamp
• Harness between rear combi-
nation lamp and ground
• Rear combination lamp
Tail lamp circuit
Refer to
.
License plate lamp is not turned ON.
• License plate lamp bulb
• License plate lamp bulb socket
• Harness between IPDM E/R
and license plate lamp
• Harness between license plate
lamp and ground
License plate lamp circuit
Refer to
.
Parking lamp, side marker lamp, tail lamp and li-
cense plate lamp are not turned OFF.
Symptom diagnosis
“PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMPS ARE
NOT TURNED ON”
Refer to
EXL-259, "Diagnosis Procedure"
Tail lamp indicator lamp is not turned ON.
(Parking lamp, side marker lamp, tail lamp and li-
cense plate lamp are turned ON.)
Combination meter
• Combination meter
Data monitor “LIGHT IND”
• BCM (HEAD LAMP)
Active test “TAIL LAMP”
Turn signal lamp does not
blink.
Indicator lamp is nor-
mal.
(Applicable side per-
forms high flasher acti-
vation.)
• Turn signal lamp bulb
• Turn signal lamp bulb socket
• Harness between BCM and
each turn signal lamp
Turn signal lamp circuit
Refer to
.
Indicator lamp is includ-
ed.
• Combination switch
• Harness between combination
switch and BCM
• BCM
Combination switch
Refer to
.
Turn signal indicator lamp
does not blink.
(Turn signal lamp is nor-
mal.)
One side
Combination meter
—
Both sides
(Always)
• Turn signal indicator lamp sig-
nal
• BCM
• Combination meter
• Combination meter
Data monitor “TURN IND”
• BCM (FLASHER)
Active test “FLASHER”
Both sides
(Only when activating
hazard warning lamp
with power switch OFF)
• Combination meter power sup-
ply and ground circuit
• Combination meter
Combination meter
Power supply and ground circuit
Refer to
• Hazard warning lamp does not activate.
• Hazard warning lamp continues activating.
(Turn signal is normal.)
• Hazard switch
• Harness between hazard
switch and BCM
• BCM
Hazard switch
Refer to
.
Front fog lamp is not
turned ON.
One side
• Front fog lamp bulb
• Harness between IPDM E/R
and front fog lamp
• IPDM E/R
Front fog lamp circuit
Refer to
.
Both sides
Symptom diagnosis
“BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON”
Refer to
EXL-260, "Diagnosis Procedure"
Front fog lamp indicator is not turned ON.
(Front fog lamp is turned ON.)
Combination meter
• Combination meter
Data monitor “FR FOG IND”
• BCM (HEAD LAMP)
Active test “FR FOG LAMP”
Symptom
Possible cause
Inspection item
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