Infiniti G35 (V35). Manual - part 586

LT-24

HEADLAMP - XENON TYPE -

3. 

CHECK IPDM E/R

1.

Select “IPDM E/R” on CONSULT-II, and select “DATA MONI-
TOR” on “SELECT DIAG MODE” screen.

2.

Make sure “HL LO REQ” turns ON when lighting switch is in
2ND position.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-27, "Removal and

Installation of IPDM E/R"

 .

NG

>> Replace BCM. Refer to 

BCS-16, "Removal and Installa-

tion of BCM"

 .

4. 

CHECK HEADLAMP INPUT SIGNAL 

With CONSULT-II

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp RH and LH connectors.

3.

Select “IPDM E/R” on CONSULT-II, and select “ACTIVE TEST”
on “SELECT DIAG MODE” screen.

4.

Select “LAMPS” on “SELECT TEST ITEM” screen. 

5.

Touch “LO” screen.

6.

When headlamp low relay is operating, check voltage between
front combination lamp harness connector and ground.

Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp RH and LH connectors.

3.

Start auto active test. Refer to 

PG-21, "Auto Active Test"

 . 

4.

When headlamp low relay is operating, check voltage between front combination lamp harness connector
and ground.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 5.

When lighting switch is 2ND 
position

: HL LO REQ ON

SKIA5780E

(+)

(

−

) Voltage

Front combination 

lamp connector

Terminal

RH

E24

3

Ground Battery 

voltage

LH

E41

3

(+)

(

−

) Voltage

Front combination 

lamp connector

Terminal 

RH

E24

3 

Ground Battery 

voltage

LH

E41

3

PKIA4575E

HEADLAMP - XENON TYPE -

LT-25

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5. 

CHECK HEADLAMP CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector E7 ter-
minal 20 and front combination lamp RH harness connector E24
terminal 3.

4.

Check continuity between IPDM E/R harness connector E7 ter-
minal 30 and front combination lamp LH harness connector E41
terminal 3.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-27, "Removal and Installation of IPDM E/R"

 .

NG

>> Repair harness or connector.

6. 

CHECK HEADLAMP GROUND 

1.

Turn ignition switch OFF.

2.

Check continuity between front combination lamp RH harness
connector E24 terminal 4 and ground.

3.

Check continuity between front combination lamp LH harness
connector E41 terminal 4 and ground.

OK or NG

OK

>> Check headlamp harness and connectors, ballasts (HID

control unit), and xenon bulbs. Refer to 

LT-28, "Xenon Headlamp Trouble Diagnosis"

 .

NG

>> Repair harness or connector.

Headlamp Does Not Illuminate (One Side)

NKS002NT

1. 

CHECK BULB

Check ballast (HID control unit) and xenon bulb of lamp which does not illuminate. Refer to 

LT-28, "Xenon

Headlamp Trouble Diagnosis"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Replace malfunctioning part.

20 – 3

: Continuity should exist.

30 – 3

: Continuity should exist.

PKIA4903E

4 – Ground

: Continuity should exist.

4 – Ground

: Continuity should exist.

PKIA4907E

LT-26

HEADLAMP - XENON TYPE -

2. 

CHECK HEADLAMP INPUT SIGNAL 

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp RH or LH connectors.

3.

Turn ignition switch ON.

4.

Lighting switch is turned 2ND position. 

5.

Check voltage between front combination lamp harness connec-
tor and ground.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 3.

3. 

CHECK HEADLAMP CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector E7 ter-
minal 20 and front combination lamp RH harness connector E24
terminal 3.

4.

Check continuity between IPDM E/R harness connector E7 ter-
minal 30 and front combination lamp LH harness connector E41
terminal 3.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-27, "Removal and Installation of IPDM E/R"

 .

NG

>> Repair harness or connector.

4. 

CHECK HEADLAMP GROUND 

1.

Check continuity between front combination lamp RH harness
connector E24 terminal 4 and ground.

2.

Check continuity between front combination lamp LH harness
connector E41 terminal 4 and ground.

OK or NG

OK

>> Check headlamp harness and connector.

NG

>> Repair harness or connector.

(+)

(

−

) Voltage

Front combination 

lamp connector

Terminal 

RH

E24

3

Ground Battery 

voltage

LH

E41

3 

PKIA4575E

20 – 3

: Continuity should exist.

30 – 3

: Continuity should exist.

PKIA4903E

4 – Ground

: Continuity should exist.

4 – Ground

: Continuity should exist.

PKIA4907E

HEADLAMP - XENON TYPE -

LT-27

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Headlamps Do Not Turn OFF

NKS002NW

1. 

CHECK HEADLAMP TURN OFF

Make sure that lighting switch is OFF. And make sure headlamp turns off when ignition switch is turned OFF.
OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

2. 

CHECK COMBINATION SWITCH INPUT SIGNAL 

Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “HEAD LAMP SW 1” and “HEAD LAMP SW 2” turns ON-
OFF linked with operation of lighting switch.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-27, "Removal and

Installation of IPDM E/R"

 .

NG

>> Check combination switch (lighting switch). Refer to 

LT-

100, "Combination Switch Inspection"

 .

3. 

CHECKING CAN COMMUNICATIONS BETWEEN BCM AND IPDM E/R

Select “BCM” on CONSULT-II, and perform self-diagnosis for
“BCM”.

Display of self-diagnosis results

NO DTC>> Replace IPDM E/R. Refer to 

PG-27, "Removal and

Installation of IPDM E/R"

 .

CAN COMM CIRCUIT>>  Refer  to 

BCS-15, "CAN Communication

Inspection Using CONSULT-II (Self-Diagnosis)"

 .

When lighting switch is OFF 
position

: HEAD LAMP SW 1 OFF
: HEAD LAMP SW 2 OFF

PKIA7588E

PKIA7627E