Page 4462 of 5621

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-35
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Revision: 2006 January2006 M35/M45
Headlamp Low Beam Does Not Illuminate (One Side)NKS003OE
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 “LO” screen.
6. When headlamp low beam is operating, check voltage between
headlamp RH or LH harness connector and ground.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect front combination lamp RH or LH connector.
3. Start auto active test. Refer to PG-24, "
Auto Active Test" .
4. When headlamp low beam is operating, check voltage between headlamp RH or LH harness connector
and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.
Te r m i n a l
Voltage (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
Terminal
Voltag e (+)
(-)
Front combination lamp
connectorterminal
RH E47 8
Ground Battery voltage
LH E54 8
SKIB4758E
Page 4463 of 5621

LT-36
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2006 January2006 M35/M45
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 headlamp harness and connectors.
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.
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 >> Replace IPDM E/R. Refer to PG-31, "Removal and Installation of IPDM E/R" .
NG >> Repair harness or connector.
Front combination lamp
connectorTerminal
GroundContinuity
RH E47 4
Ye s
LH E54 4
SKIB4759E
CircuitAB
Continuity
Connector Terminal Connector Terminal
RH
E720 E47 8
Ye s
LH 30 E54 8
A
GroundContinuity
Connector Terminal
RH
E720
No
LH 30
SKIB4760E
Page 4464 of 5621

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-37
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Headlamps Do Not Turn OFFNKS003OF
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-31, "Removal and
Installation of IPDM E/R" .
NG >> Check combination switch (lighting switch). Refer to LT-
240, "Combination Switch Inspection" .
3. CHECK 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-31, "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
Page 4465 of 5621
LT-38
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2006 January2006 M35/M45
Aiming AdjustmentNKS003OG
PREPARATION BEFORE ADJUSTING
For details, refer to the regulations in your own country.
Before performing aiming adjustment, check the following.
1. Keep all tires inflated to correct pressures.
2. Place vehicle on flat surface.
3. Set that there is no-load in vehicle other than the driver (or equivalent weight placed in driver's position).
Coolant, engine oil filled up to correct level and full fuel tank.
LOW BEAM AND HIGH BEAM
1. Turn headlamp low beam ON.
2. Use adjusting screws to perform aiming adjustment.
SKIB4157E
Page 4466 of 5621

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-39
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Revision: 2006 January2006 M35/M45
ADJUSTMENT USING AN ADJUSTMENT SCREEN (LIGHT/DARK BORDERLINE)
If the vehicle front body has been repaired and/or the headlamp assembly has been replaced, check aiming.
Use the aiming chart shown in the figure.
Basic illumination area for adjustment should be within the range shown on the aiming chart.
Adjust headlamp accordingly.
Bulb ReplacementNKS003OH
HEADLAMP (INNER) HIGH BEAM
1. Turn lighting switch OFF.
2. Disconnect negative battery cable or remove circuit fuse.
3. Remove air cleaner case when replacing bulb LH. Refer to EM-17, "
Removal and Installation" (VQ35) or
EM-177, "
Removal and Installation" (VK45).
4. Remove washer tank inlet when replacing bulb RH. Refer to WW-47, "
Removal and Installation of Washer
Ta n k" .
5. Turn plastic cap counterclockwise and unlock it.
6. Turn bulb socket counterclockwise and unlock it.
7. Disconnect connector, and remove bulb.
SKIB4153E
Headlamp (inner) high beam : 12V - 60W (HB3)
Page 4480 of 5621

HEADLAMP (FOR USA) - XENON TYPE -
LT-53
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Revision: 2006 January2006 M35/M45
Terminals and Reference Values for BCMNKS003OQ
CAUTION:
Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to LT-239, "
DATA MONITOR" .
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
2L/RCombination
switch input 5ONLighting, turn, wiper
switch
(Wiper dial position 4)Lighting switch HI beam
(Operates only HI beam
switch)
Approx. 1.0V
Lighting switch 2ND
Approx. 2.0V
OFF Approx. 0V
3O/LCombination
switch input 4ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below
Lighting switch 2ND
Lighting switch
PASSING (Operates
only PASSING switch)
Approx. 1.0V
OFF Approx. 0V
11 VIgnition switch
(ACC)ACC — Battery voltage
PKIB4957J
PKIB4953J
PKIB4957J
Page 4482 of 5621

HEADLAMP (FOR USA) - XENON TYPE -
LT-55
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Terminals and Reference Values for IPDM E/RNKS003OR
How to Perform Trouble DiagnosesNKS003OS
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 4 3 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT-55, "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the headlamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
Preliminary CheckNKS003OT
CHECK POWER SUPPLY AND GROUND CIRCUIT
1. CHECK FUSE
Check for blown fuses
Refer to LT-48, "Wiring Diagram — H/LAMP —" .
OK or NG
OK >> GO TO 2.
NG >> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse
or fusible link. Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
20 R Headlamp low (RH) ONLighting switch 2ND
positionOFF Approx. 0V
ON Battery voltage
27 BR Headlamp high (RH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0V
ON Battery voltage
28 R/Y Headlamp high (LH) ONLighting switch HIGH
or PASSING positionOFF Approx. 0V
ON Battery voltage
30 R/B Headlamp low (LH) ONLighting switch 2ND
positionOFF Approx. 0V
ON Battery voltage
38 B Ground ON — Approx. 0V
49 L CAN
H — — —
50 P CAN
L — — —
51 B Ground ON — Approx. 0V
Unit Power source Fuse and fusible link No.
BCMBatteryF
21
Ignition switch ON or START position 1
Ignition switch ACC or ON position 6
IPDM E/R Battery71
72
74
76
78
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Page 4483 of 5621
LT-56
HEADLAMP (FOR USA) - XENON TYPE -
Revision: 2006 January2006 M35/M45
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between BCM and
fuse.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Check harness ground circuit.
Terminal Ignition switch position
(+)
(
)OFFACCON
BCM
connectorTerminal
M111
GroundApprox. 0VBattery
voltageBattery
voltage
38 Approx. 0V Approx. 0VBattery
voltage
M242Battery
voltageBattery
voltageBattery
voltage
55Battery
voltageBattery
voltageBattery
voltage
PKIA5204E
BCM connector Terminal
GroundContinuity
M2 52 Yes
SKIB5125E