Infiniti QX56 (Z62). Manual — part 693
EXL-64
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
B2503, B2504 SWIVEL ACTUATOR
7.
Stop the vehicle.
8.
Perform the self-diagnosis with CONSULT-III.
Is DTC “B2504” detected?
YES
>> Refer to
.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006213930
1.
CHECK SWIVEL POSITION SENSOR SIGNAL INPUT
1.
Turn ignition switch ON.
2.
Check voltage between AFS control unit harness connector and ground.
Is the measurement value within the standard value?
YES
>> GO TO 2.
Less than the standard value >>GO TO 6.
Higher than the standard value>>GO TO 9.
2.
CHECK SWIVEL MOTOR
Check swivel motor.
EXL-67, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace front combination lamp.
3.
CHECK SWIVEL MOTOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector and headlamp swivel actuator connector.
3.
Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harnesses.
4.
CHECK SWIVEL MOTOR SHORT CIRCUIT
Check continuity between AFS control unit harness connector and ground.
(+)
(
−
)
Voltage
(Approx.)
AFS control unit
Connector
Terminal
RH
M135
9
Ground
0.25 - 4.75 V
LH
29
AFS control unit
Headlamp swivel
actuator
Continuity
Connector
Terminal
Connector
Terminal
RH
M135
11
E123
8
Existed
13
7
32
3
34
4
LH
15
E122
3
17
4
36
8
38
7
B2503, B2504 SWIVEL ACTUATOR
EXL-65
< DTC/CIRCUIT DIAGNOSIS >
[XENON 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 5.
NO
>> Repair or replace harnesses.
5.
CHECK SWIVEL MOTOR CIRCUIT VOLTAGE OUTPUT
1.
Connect AFS control unit connector.
2.
Start the engine.
3.
Turn the headlamp ON.
4.
Select “LOW BEAM TEST RIGHT” or “LOW BEAM TEST LEFT” of ADAPTIVE LIGHT active test item.
5.
With operating the test item, check voltage between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace front combination lamp.
NO
>> Replace AFS control unit. Refer to
EXL-135, "Removal and Installation"
6.
CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT INPUT VOLTAGE
1.
Turn ignition switch OFF.
2.
Disconnect headlamp swivel actuator connector.
3.
Turn ignition switch ON.
4.
Check voltage between headlamp swivel actuator harness connector and ground.
AFS control unit
Ground
Continuity
Connector
Terminal
RH
M135
11
Not existed
13
32
34
LH
15
17
36
38
(+)
(
−
)
Condition
Voltage
(Approx.)
AFS control unit
Connector
Terminal
RH
M135
11
Ground
Swivel motor
Active
8 - 12 V
32
LH
15
36
RH
13
Stop
9.5 - 11.5 V
34
LH
17
38
SKIB2408J
(+)
(
−
)
Voltage
(Approx.)
Headlamp swivel actuator
Connector
Terminal
RH
E123
2
Ground
5 V
LH
E122
EXL-66
< DTC/CIRCUIT DIAGNOSIS >
[XENON TYPE]
B2503, B2504 SWIVEL ACTUATOR
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 8.
7.
CHECK SWIVEL POSITION SENSOR SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector.
3.
Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.
4.
Check continuity between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace front combination lamp.
NO
>> Repair or replace harnesses.
8.
CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector.
3.
Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.
4.
Check continuity between AFS control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace AFS control unit. Refer to
EXL-135, "Removal and Installation"
NO
>> Repair or replace harnesses.
9.
CHECK SWIVEL POSITION SENSOR GROUND CIRCUIT VOLTAGE OUTPUT
Check voltage between AFS control unit harness connector and ground.
AFS control unit
Headlamp swivel actuator
Continuity
Connector
Terminal
Connector
Terminal
RH
M135
9
E123
1
Existed
LH
29
E122
AFS control unit
Ground
Continuity
Connector
Terminal
RH
M135
9
Not existed
LH
29
AFS control unit
Headlamp swivel actuator
Continuity
Connector
Terminal
Connector
Terminal
RH
M135
4
E123
2
Existed
LH
24
E122
AFS control unit
Ground
Continuity
Connector
Terminal
RH
M135
4
Not existed
LH
24
(+)
(
−
)
Voltage
(Approx.)
AFS control unit
Connector
Terminal
RH
M135
2
Ground
0 V
LH
27
B2503, B2504 SWIVEL ACTUATOR
EXL-67
< DTC/CIRCUIT DIAGNOSIS >
[XENON 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 10.
NO
>> Replace AFS control unit. Refer to
EXL-135, "Removal and Installation"
10.
CHECK SWIVEL POSITION SENSOR GROUND OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector and headlamp swivel actuator connector.
3.
Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.
Is the inspection result normal?
YES
>> Replace front combination lamp.
NO
>> Repair or replace harnesses.
Component Inspection
INFOID:0000000006213931
1.
CHECK SWIVEL MOTOR SINGLE PART
1.
Disconnect swivel actuator connector.
2.
Check resistance among each swivel actuator connector terminals.
Is the inspection result normal?
YES
>> Swivel actuator is normal.
NO
>> Replace front combination lamp.
AFS control unit
Headlamp swivel actuator
Continuity
Connector
Terminal
Connector
Terminal
RH
M135
2
E123
6
Existed
LH
27
E122
Swivel actuator
Resistance
(Approx.)
Terminal
Terminal
3
7
7.2
Ω
4
8
3
4
10 M
Ω
or more
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