Infiniti M35/M45 Y50. Manual — part 906
ACTIVE AFS
LT-169
C
D
E
F
G
H
I
J
L
M
A
B
LT
4.
CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp LH connector.
3.
Turn ignition switch ON.
4.
Check voltage between front combination lamp LH harness con-
nector and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness or connector.
5.
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
(A) and front combination lamp LH harness connector (B).
OK or NG
OK
>> Replace front combination lamp LH (swivel position sen-
sor malfunction). Refer to
lation of Front Combination Lamp"
.
NG
>> Repair harness or connector.
6.
CHECK SWIVEL POSITION SENSOR GROUND
Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK
>> GO TO 7.
NG
>> Check connector for connection, bend and loose fit. If it
is normal, replace AFS control unit. Refer to
LT-192, "Removal and Installation of AFS Control
Terminals
Voltage
(Approx.)
(+)
(-)
Front combination
lamp LH connector
Terminal
E53
15
Ground
4.0 - 6.0 V
PKIC0647E
A
B
Continuity
Connector
Terminal Connector
Terminal
F110
29
E53
14
Yes
PKIC0660E
Terminals
Voltage
(Approx.)
(+)
(-)
AFS control unit
connector
Terminal
F110
27
Ground
0 V
PKIC0661E
LT-170
ACTIVE AFS
7.
CHECK SWIVEL POSITION SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector and front combination lamp LH connector.
3.
Check continuity between AFS control unit harness connector
(A) and front combination lamp LH harness connector (B).
OK or NG
OK
>> Replace front combination lamp LH (swivel position sen-
lation of Front Combination Lamp"
NG
>> Repair harness or connector.
8.
CHECK DIAGNOSIS RESULT
Select “ADAPTIVE LIGHT” on CONSULT-II. Select “SELF-DIAG
RESULTS” on “SELECT DIAG MODE” screen.
Is DTC B2521 ECU CIRC detected?
YES
>> Refer to
NO
>> GO TO 9.
9.
CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp LH connector.
3.
Turn ignition switch ON.
4.
Check voltage between AFS control unit harness connector and
ground.
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 11.
A
B
Continuity
Connector
Terminal Connector
Terminal
F110
27
E53
19
Yes
PKIC0662E
SKIB4975E
Terminals
Voltage
(Approx.)
(+)
(-)
AFS control unit
connector
Terminal
F110
24
Ground
4.0 - 6.0 V
PKIC0663E
ACTIVE AFS
LT-171
C
D
E
F
G
H
I
J
L
M
A
B
LT
10.
CHECK SWIVEL POSITION SENSOR SIGNAL CIRCUIT (SHORT CIRCUIT)
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector.
3.
Check continuity between AFS control unit harness connector
and ground.
OK or NG
OK
>> Replace front combination lamp LH (swivel position sen-
sor malfunction). Refer to
lation of Front Combination Lamp"
.
NG
>> Repair harness or connector.
11.
CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT (SHORT CIRCUIT)
1.
Turn ignition switch OFF.
2.
Disconnect AFS control unit connector.
3.
Check continuity between AFS control unit harness connector
and ground.
OK or NG
OK
>> Replace AFS control unit. Refer to
and Installation of AFS Control Unit"
NG
>> Repair harness or connector.
AFS control unit
connector
Terminal
Ground
Continuity
F110
29
No
SKIB4969E
AFS control unit
connector
Terminal
Ground
Continuity
F110
24
No
PKIC0664E
LT-172
ACTIVE AFS
12.
CHECK SWIVEL MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp LH connector.
3.
Check continuity between front combination lamp LH connector
terminals.
4.
Check continuity between front combination lamp LH connector
terminals.
5.
Check continuity between front combination lamp LH connector
terminals (insulation resistance).
OK or NG
OK
>> GO TO 13.
NG
>> Replace front combination lamp LH (swivel motor mal-
function). Refer to
LT-191, "Removal and Installation of
Front combination lamp LH terminals (2 phase)
Resistance
16
20
Approx. 7.4
Ω
PKIC0655E
Front combination lamp LH terminals (1 phase)
Resistance
17
21
Approx. 7.4
Ω
PKIC0656E
Front combination lamp LH terminals
Resistance
16
17
Approx. 1 M
Ω
or more
PKIC0654E
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