Infiniti M35/M45 Y50. Manual — part 871
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-29
C
D
E
F
G
H
I
J
L
M
A
B
LT
Headlamp High Beam Does Not Illuminate (One Side)
NKS003OB
1.
CHECK BULB
Check bulb of lamp which does not illuminate.
OK or NG
OK
>> GO TO 2.
NG
>> Replace headlamp bulb.
2.
CHECK HEADLAMP INPUT SIGNAL
With CONSULT-II
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp RH or LH connector.
3.
Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4.
Select “LAMPS” on “SELECT TEST ITEM” screen.
5.
Touch “HI” screen.
6.
When headlamp high beam is operating, check voltage between
front combination lamp RH or LH harness connector and
ground. (Headlamp high beam repeats ON-OFF every 1 sec-
ond.)
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp RH or LH connector.
3.
Start auto active test. Refer to
.
4.
When headlamp high beam is operating, check voltage between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
Terminal
Voltage
(Approx.)
(+)
(-)
Front combination lamp
connector
Terminal
RH
E47
6
Ground
Battery voltage
LH
E54
6
Terminal
Voltage
(Approx.)
(+)
(-)
Front combination lamp
connector
Terminal
RH
E47
6
Ground
Battery voltage
LH
E54
6
SKIB4749E
LT-30
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
3.
CHECK HEADLAMP GROUND
1.
Turn ignition switch OFF.
2.
Check continuity between front combination lamp RH or LH har-
ness connector and ground.
OK or NG
OK
>> Check connecting condition headlamp harness and con-
nector.
NG
>> Repair harness or connector.
4.
CHECK CIRCUIT BETWEEN IPDM E/R AND FRONT COMBINATION LAMP
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector and front combination lamp RH or LH connector.
3.
Check continuity between IPDM E/R harness connector (A) and
front combination lamp RH or LH harness connector (B).
4.
Check continuity between IPDM E/R harness connector (A) and
ground.
OK or NG
OK
PG-31, "Removal and Installation of IPDM E/R"
NG
>> Repair harness or connector.
High Beam Indicator Lamp Does Not Illuminate
NKS003OC
1.
CHECK UNIFIED METER AND A/C AMP.
1.
Select “METER A/C AMP” on CONSULT-II, and perform self-
diagnosis for “METER A/C AMP”.
2.
Check if malfunction is indicated.
Is malfunction indicated?
YES
>> Repair or replace malfunctioning parts.
NO
>> GO TO 2.
Front combination lamp
connector
Terminal
Ground
Continuity
RH
E47
2
Yes
LH
E54
2
SKIB4750E
Circuit
A
B
Continuity
Connector
Terminal
Connector
Terminal
RH
E7
27
E47
6
Yes
LH
28
E54
6
A
Ground
Continuity
Connector
Terminal
RH
E7
27
No
LH
28
SKIB4753E
PKIA6866E
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-31
C
D
E
F
G
H
I
J
L
M
A
B
LT
2.
CHECK COMBINATION METER INPUT SIGNAL
1.
Select “METER A/C AMP” on CONSULT-II.
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HI
−
BEAM IND” turns ON-OFF linked with oper-
ation of lighting switch.
OK or NG
OK
>> Replace combination meter. Refer to
and Installation of Combination Meter"
NG
>> Replace unified meter and A/C amp. Refer to
"Removal and Installation of Unified Meter and A/C
Amp."
Headlamp Low Beam Does Not Illuminate (Both Sides)
NKS003OD
1.
CHECK COMBINATION SWITCH INPUT SIGNAL
With CONSULT-II
1.
Select “BCM” on CONSULT-II. Select “HEAD LAMP” on
“SELECT TEST ITEM” screen.
2.
Select “DATA MONITOR” on “SELECT DIAG MODE” screen.
Make sure that “HEAD LAMP SW 1” and “HEAD LAMP SW 2”
turns ON-OFF linked with operation of lighting switch.
Without CONSULT-II
Refer to
LT-239, "Combination Switch Inspection"
OK or NG
OK
>> GO TO 2.
NG
>> Check combination switch (lighting switch). Refer to
LT-239, "Combination Switch Inspection"
2.
HEADLAMP ACTIVE TEST
With CONSULT-II
1.
Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on
“SELECT DIAG MODE” screen.
2.
Select “LAMPS” on “SELECT TEST ITEM” screen.
3.
Touch “LO” screen.
4.
Make sure headlamp low beam operation.
Without CONSULT-II
1.
Start auto active test. Refer to
.
2.
Make sure headlamp low beam operation.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
When lighting switch is in
the HIGH BEAM position
: HI
−
BEAM IND ON
PKID0081E
When lighting switch is 2ND
position
: HEAD LAMP SW 1 ON
: HEAD LAMP SW 2 ON
PKIA7586E
Headlamp low beam should operate.
Headlamp low beam should operate.
SKIA5774E
LT-32
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
3.
CHECK IPDM E/R
1.
Select “IPDM E/R” on CONSULT-II. Select “DATA MONITOR”
on “SELECT DIAG MODE” screen.
2.
Make sure “HL LO REQ” turns ON when lighting switch is in
2ND position.
OK or NG
OK
NG
>> Replace BCM. Refer to
BCS-15, "Removal and Installa-
4.
CHECK HEADLAMP INPUT SIGNAL
With CONSULT-II
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp RH and LH connector.
3.
Select “IPDM E/R” on CONSULT-II. Select “ACTIVE TEST” on “SELECT DIAG MODE” screen.
4.
Select “LAMPS” on “SELECT TEST ITEM” screen.
5.
Touch “LO” screen.
6.
When headlamp low beam is operating, check voltage between
front combination lamp (RH and LH) harness connector and
ground.
Without CONSULT-II
1.
Turn ignition switch OFF.
2.
Disconnect front combination lamp RH and LH connector.
3.
Start auto active test. Refer to
4.
When headlamp low beam is operating, check voltage between front combination lamp (RH and LH) har-
ness connector and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 6.
When lighting switch is 2ND
position
: HL LO REQ ON
PKIA7644E
Terminal
Voltage
(Approx.)
(+)
(-)
Front combination lamp
connector
terminal
RH
E47
8
Ground
Battery voltage
LH
E54
8
Terminal
Voltage
(Approx.)
(+)
(-)
Front combination lamp
connector
terminal
RH
E47
8
Ground
Battery voltage
LH
E54
8
SKIB4758E
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