Infiniti QX56 (Z62). Manual — part 703
EXL-104
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
OPTICAL SENSOR
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-81, "Removal and Installation"
NO
>> Repair or replace harness.
Optical sensor
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
2
M68
14
Existed
Optical sensor
Ground
Continuity
Connector
Terminal
M17
2
Not existed
HAZARD SWITCH
EXL-105
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
HAZARD SWITCH
Component Function Check
INFOID:0000000006213971
1.
CHECK HAZARD SWITCH SIGNAL BY CONSULT-III
CONSULT-III DATA MONITOR
1.
Turn ignition switch ON.
2.
Select “HAZARD SW” of BCM (FLASHER) data monitor item.
3.
With operating the hazard switch, check the monitor status.
Is the inspection result normal?
YES
>> Hazard switch circuit is normal.
NO
>> Refer to
EXL-105, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006213972
1.
CHECK HAZARD SWITCH SIGNAL INPUT
1.
Turn ignition switch OFF.
2.
Disconnect hazard switch connector.
3.
Check voltage between hazard switch harness 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.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
NO
>> Repair or replace harness.
Monitor item
Condition
Monitor status
HAZARD SW
Hazard switch
ON
On
OFF
Off
(+)
(
−
)
Voltage
(Approx.)
Hazard switch
Connector
Terminal
M45
2
Ground
12 V
Hazard switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M45
2
M68
29
Existed
Hazard switch
Ground
Continuity
Connector
Terminal
M45
2
Not existed
EXL-106
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
HAZARD SWITCH
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.
NO
>> Repair or replace harness.
Hazard switch
Ground
Continuity
Connector
Terminal
M45
1
Existed
AFS SWITCH
EXL-107
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
AFS SWITCH
Component Function Check
INFOID:0000000006213973
1.
CHECK AFS SWITCH SIGNAL BY CONSULT-III
CONSULT-III DATA MONITOR
1.
Turn ignition switch ON.
2.
Select “AFS SW” of ADAPTIVE LIGHT data monitor item.
3.
With operating the AFS switch, check the monitor status.
Is the inspection result normal?
YES
>> AFS switch circuit is normal.
NO
>> Refer to
EXL-107, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000006213974
1.
CHECK AFS SWITCH FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuses is not fusing.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the applicable. And then replace the fuse.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Disconnect triple switch connector.
2.
Check voltage between triple switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK AFS SWITCH CIRCUIT
1.
Disconnect AFS control unit connector.
2.
Check continuity between AFS control unit harness connector and triple switch harness connector.
3.
Check continuity between AFS control unit harness connector and ground.
Monitor item
Condition
Monitor status
AFS SW
AFS switch
ON
On
OFF
Off
Location
Fuse No.
Capacity
Fuse block (J/B)
#3
10 A
(+)
(–)
Voltage (V)
(Approx.)
Triple switch
Connector
Terminal
M126
3
Ground
Battery voltage
AFS control unit
Triple switch
Continuity
Connector
Terminal
Connector
Terminal
M135
3
M126
4
Existed
AFS control unit
Ground
Continuity
Connector
Terminal
M135
3
Not existed
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