headlamp INFINITI FX35 2005 Owner's Guide

BASIC SERVICE PROCEDURE EC-777
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DETAILED PROCEDURE
1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.
2. Open engine hood and check the following:
–Harness connectors for improper connections
–Wiring harness for improper connections, pinches and cut
–Vacuum hoses for splits, kinks and improper connections
–Hoses and ducts for leaks
–Air cleaner clogging
–Gasket
3. Confirm that electrical or mechanical loads are not applied.
–Headlamp switch is OFF.
–Air conditioner switch is OFF.
–Rear window defogger switch is OFF.
–Steering wheel is in the straight-ahead position, etc.
4. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.
Ensure engine stays below 1,000 rpm.
5. Run engine at about 2,000 rpm for about 2 minutes under no load.
6. Make sure that no DTC is displayed with CONSULT-II or GST.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. REPAIR OR REPLACE
Repair or replace components as necessary according to corresponding Diagnostic Procedure.
>> GO TO 3.
SEF983U
SEF976U
SEF977U

BASIC SERVICE PROCEDURE EC-787
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OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds. Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.
Idle Air Volume LearningABS00E4I
DESCRIPTION
Idle Air Volume Learning is an operation to learn the idle air volume that keeps each engine within the specific
range. It must be performed under any of the following conditions:

Each time electric throttle control actuator or ECM is replaced.

Idle speed or ignition timing is out of specification.
PREPARATION
Before performing Idle Air Volume Learning, make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.

Battery voltage: More than 12.9V (At idle)

Engine coolant temperature: 70 - 99 °C (158 - 210 °F)

PNP switch: ON

Electric load switch: OFF
(Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime light systems, if the parking brake is applied before the engine
is started the headlamp will not be illuminated.

Steering wheel: Neutral (Straight-ahead position)

Vehicle speed: Stopped

Transmission: Warmed-up
For models with CONSULT-II, drive vehicle until “ATF TEMP SE 1” in “DATA MONITOR” mode of “A/T”
system indicates less than 0.9V.
For models without CONSULT-II, drive vehicle for 10 minutes.
OPERATION PROCEDURE
With CONSULT-II
1. Perform EC-786, "Accelerator Pedal Released Position Learning" .
2. Perform EC-786, "
Throttle Valve Closed Position Learning" .
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic PREPARATION (previously mentioned) are in good order.
5. Select “IDLE AIR VOL LEARN” in “WORK SUPPORT” mode.
SEF217Z

DTC P0441 EVAP CONTROL SYSTEM EC-1057
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WITH CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and let it idle for at least 70 seconds.
4. Select “PURG FLOW P0441” of “EVAPORATIVE SYSTEM” in “DTC CONFIRMATION” mode with CON- SULT-II.
5. Touch “START”. If “COMPLETED” is displayed, go to step 7.
6. When the following conditions are met, “TESTING” will be displayed on the CONSULT-II screen. Maintain the conditions continuously until “TESTING” changes to “COMPLETED”. (It will take at least 35 seconds.)
If “TESTING” is not changed for a long time, retry from step 2.
7. Make sure that “OK” is displayed after touching “SELF-DIAG RESULTS”. If “NG” is displayed, refer to EC-
1058, "Diagnostic Procedure" .
Overall Function CheckABS007NT
Use this procedure to check the overall monitoring function of the EVAP control system purge flow monitoring.
During this check, a 1st trip DTC might not be confirmed.
WITH GST
1. Lift up drive wheels.
2. Start engine (VDC switch OFF) and warm it up to normal operating temperature.
3. Turn ignition switch OFF, wait at least 10 seconds.
4. Start engine and wait at least 70 seconds.
5. Set voltmeter probes to ECM terminals 32 (EVAP control system pressure sensor signal) and ground.
6. Check EVAP control system pressure sensor value at idle speed and note it.
7. Establish and maintain the following conditions for at least 1 minute.
8. Verify that EVAP control system pressure sensor value stays 0.1V less than the value at idle speed (mea- sured at step 6) for at least 1 second.
Selector lever Suitable position
Vehicle speed 32 - 120 km/h (20 - 75 MPH)
ENG SPEED 500 - 3,000 rpm
B/FUEL SCHDL 1.0 - 10.0 msec
Engine coolant temperature 70 - 100 °C (158 - 212 °F)
PBIB0826E
Air conditioner switch ON
Headlamp switch ON
Rear window defogger switch ON
Engine speed Approx. 3,000 rpm
Gear position Any position other than P, N or R
PBIB1109E

ELECTRICAL LOAD SIGNAL EC-1369
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ELECTRICAL LOAD SIGNALPFP:25350
DescriptionABS007XB
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred
through the CAN communication line from BCM to ECM via IPDM E/R.
CONSULT-II Reference Value in Data Monitor ModeABS007XC
Specification data are reference values.
Diagnostic ProcedureABS007XD
1. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I
1. Turn ignition switch ON.
2. Connect CONSULT-II and select “DATA MONITOR” mode.
3. Select “LOAD SIGNAL” and check indication under the following conditions.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II
Check “LOAD SIGNAL” indication under the following conditions.
OK or NG
OK >> INSPECTION END
NG >> GO TO 4.
3. CHECK REAR WINDOW DEFOGGER SYSTEM
Refer to GW-86, "
REAR WINDOW DEFOGGER" .
>> INSPECTION END
4. CHECK HEADLAMP SYSTEM
Refer to LT- 7 , "
HEADLAMP - XENON TYPE -" .
>> INSPECTION END
MONITOR ITEM CONDITION SPECIFICATION
LOAD SIGNAL

Ignition switch: ON Rear window defogger switch: ON
and/or
Lighting switch: 2ND position ON
Rear window defogger switch and light-
ing switch: OFF OFF
Condition Indication
Rear window defogger switch: ON ON
Rear window defogger switch: OFF OFF
PBIB0103E
Condition Indication
Lighting switch: ON at 2nd position ON
Lighting switch: OFF OFF
PBIB0103E

IDX-5
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IDX
ALPHABETICAL INDEX
Hazard warning lamp ..........................................
LT-91
Headlamp aiming control .................................... LT-75
Headlamp leveler - See Headlamp aiming control .......
LT-75
Headlining - See Roof trim .................................. EI-41
Heated oxygen sensor 1 (bank 1) .... EC-935, EC-944,
EC-956
, EC-1174, EC-1180
Heated oxygen sensor 1 (bank 2) .... EC-935, EC-944,
EC-956
, EC-1174, EC-1180
Heated oxygen sensor 1 heater (bank 1) ........ EC-877
Heated oxygen sensor 1 heater (bank 2) ........ EC-877
Heated oxygen sensor 2 (bank 1) .... EC-228, EC-237,
EC-442
, EC-453, EC-966, EC-975, EC-1187, EC-1198
Heated oxygen sensor 2 (bank 2) .... EC-228, EC-237,
EC-442
, EC-453, EC-966, EC-975, EC-1187, EC-1198
Heated oxygen sensor 2 heater (bank 1) ....... EC-178,
EC-885
Heated oxygen sensor 2 heater (bank 2) ....... EC-178,
EC-885
Heated seat ....................................................... SE-97
Heater and cooling unit (Heater core) ........... ATC-126
HFC134a (R134a) system precaution ............... ATC-6
HFC134a (R134a) system service procedure ATC-138
HFC134a (R134a) system service tools .......... ATC-18
HFC134a system service equipment precaution ..........
ATC-13
High and low reverse clutch solenoid valve .... AT-162,
AT-164
Hood ................................................................... BL-13
Horn ................................................................. WW-59
HORN - Wiring diagram ................................... WW-59
HSEAT - Wiring diagram ................................... SE-98
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IATS - Wiring diagram ....................... EC-205
, EC-911
ICC - Wiring diagram ....................................... ACS-20
ICC/BS - Wiring diagram ................. EC-590, EC-1264
ICC/SW - Wiring diagram ................ EC-576, EC-1249
ICCBOF - Wiring diagram ................ EC-681, EC-1371
Idle air volume learning ....................... EC-97, EC-787
Idle mixture ratio .............................................. EC-775
Idle speed .......................................... EC-769, EC-774
Idle speed control (ISC) .... EC-393, EC-395, EC-1125,
EC-1127
Ignition coil ....................................... EC-648, EC-1339
Ignition coil(VK45DE) ...................................... EM-189
Ignition coil(VQ35DE) ........................................ EM-42
Ignition control system ..................... EC-648, EC-1339
Ignition key hole illumination ............................. LT-155
Ignition timing .................................... EC-769, EC-774
IGNSYS - Wiring diagram ................ EC-649, EC-1340
Illumination control ............................................ LT-202
In vehicle sensor ........................... ATC-107, ATC-118
INF/D - Wring diagram ....................................... AV-63
INJECT - Wiring diagram ................. EC-662, EC-1352
Injector ............................................. EC-661, EC-1351
Input clutch solenoid valve ................. AT-150, AT-152
Instrument panel .................................................. IP-10
Intake air temperature sensor ........... EC-203, EC-223,
EC-909
, EC-930
Intake door control linkage adjustment ............ ATC-78
Intake door motor ............................ ATC-76, ATC-124
Intake manifold collector(VQ35DE) .................. EM-19
Intake manifold(VK45DE) ............................... EM-178
Intake manifold(VQ35DE) ................................. EM-24
Intake sensor ................................ ATC-113, ATC-120
Intake valve timing control (Bank 1) ... EC-174, EC-865
Intake valve timing control (Bank 2) ... EC-174, EC-865
Intake valve timing control position sensor (Bank 1) ....
EC-1166
Intake valve timing control position sensor (Bank 2) ....
EC-1166
Intake valve timing control solenoid valve (Bank 1) ......
EC-417
, EC-1141
Intake valve timing control solenoid valve (Bank 2) ......
EC-417
, EC-1141
Integrated homelink transmitter ....................... BL-235
Intelligent cruise control (ICC) system .............. ACS-6
Interior ................................................................. EI-36
Interior lamp ...................................................... LT-159
IPDM (Intelligent power distribution module engine
room) ................................................................. PG-18
IVCB1 - Wiring diagram ................... EC-418, EC-1142
IVCB2 - Wiring diagram ................... EC-420, EC-1144
IVCSB1 - Wiring diagram ............................... EC-1167
IVCSB2 - Wiring diagram ............................... EC-1169
IVIS (Infiniti vehicle immobilizer system) precautions ...
GI-3
IVTB1 - Wiring diagram ................................... EC-868
IVTB2 - Wiring diagram ................................... EC-870
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Knock sensor (KS) ........................... EC-295
, EC-1031
KS - Wiring diagram ......................... EC-296, EC-1032
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LAN system circuit ........................................... ATC-66
Lane Departure Warning System ....................... DI-82
Laser beam aiming adjustment ....................... ACS-12
Latch (lower anchors and tether for children) system ...
SB-9
LDW .................................................................... DI-82
LDW - Wiring Diagram ........................................ DI-95
Line pressure solenoid valve ........................... AT-129
Line pressure test (A/T) ..................................... AT-54
Liquid gasket application ......................... EM-6, LU-21
Liquid gasket application(VQ35DE) ........... LU-3, CO-3
Location of electrical units ................................. PG-70
Low coast brake solenoid valve ......... AT-166, AT-168
Low tire pressure warning system ...................... WT-7
Lubricant (R134a) A/C ..................................... ATC-27
Lubrication circuit (engine)(VK45DE) ................ LU-23
Lubrication circuit (engine)(VQ35DE) .................. LU-5
Lubrication oil A/C .......................................... ATC-162

LT-1
LIGHTING SYSTEM
K ELECTRICAL
CONTENTS
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LIGHTING SYSTEM
PRECAUTIONS .......................................................... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 5
General Precautions for Service Operations ....... ..... 6
HEADLAMP - XENON TYPE - .............................. ..... 7
Component Parts and Harness Connector Location ..... 7
System Description ............................................. ..... 7
OUTLINE .......................................................... ..... 7
HEADLAMP OPERATION ............................... ..... 8
COMBINATION SWITCH READING FUNCTION ..... 9
EXTERIOR LAMP BATTERY SAVER CONTROL ..... 9
AUTO LIGHT OPERATION (IF EQUIPPED) .... ..... 9
VEHICLE SECURITY SYSTEM ....................... ..... 9
XENON HEADLAMP ........................................ ..... 9
CAN Communication System Description ........... ..... 9
CAN Communication Unit ................................... ..... 9
Schematic ........................................................... ... 10
Wiring Diagram — H/LAMP — ............................ .... 11
Terminals and Reference Values for BCM .......... ... 15
Terminals and Reference Values for IPDM E/R .. ... 15
How to Proceed With Trouble Diagnosis ............. ... 16
Preliminary Check ............................................... ... 16
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 16
CONSULT-II Functions (BCM) ............................ ... 18
CONSULT-II BASIC OPERATION .................... ... 18
WORK SUPPORT ............................................ ... 19
DATA MONITOR .............................................. ... 19
ACTIVE TEST .................................................. ... 20
CONSULT-II Functions (IPDM E/R) .................... ... 20
CONSULT-II BASIC OPERATION .................... ... 21
DATA MONITOR .............................................. ... 22
ACTIVE TEST .................................................. ... 23
Headlamp Does Not Change To High Beam (Both
Sides) .................................................................. ... 23
Headlamp Does Not Change To High Beam (One
Side) .................................................................... ... 25
High Beam Indicator Lamp Does Not Illuminate . ... 26
Headlamp Low Beam Does Not Illuminate (Both Sides) ..................................................................
... 26
Headlamp Low Beam Does Not Illuminate (One
Side) .................................................................... ... 29
Headlamp RH Low Beam and High Beam Does Not
Illuminate ............................................................. ... 30
Headlamp LH Low Beam and High Beam Does Not
Illuminate ............................................................. ... 31
Headlamps Do Not Turn OFF .............................. ... 32
General Information for Xenon Headlamp Trouble
Diagnosis ............................................................. ... 34
Caution: ............................................................... ... 34
Xenon Headlamp Trouble Diagnosis ................... ... 34
Aiming Adjustment ............................................... ... 35
PREPARATION BEFORE ADJUSTING ........... ... 35
LOW BEAM AND HIGH BEAM ........................ ... 35
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ......... ... 36
Bulb Replacement ............................................... ... 36
HEADLAMP HIGH/LOW BEAM ....................... ... 36
DAYTIME/PARKING LAMP .............................. ... 37
FRONT TURN SIGNAL LAMP ......................... ... 37
FRONT SIDE MARKER LAMP ........................ ... 37
Removal and Installation ..................................... ... 37
REMOVAL ........................................................ ... 37
INSTALLATION ................................................ ... 38
Disassembly and Assembly ................................. ... 38
DISASSEMBLY ................................................ ... 38
ASSEMBLY ...................................................... ... 38
DAYTIME LIGHT SYSTEM .................................... ... 39
Component Parts and Harness Connector Location ... 39
System Description .............................................. ... 39
OUTLINE .......................................................... ... 39
DAYTIME LIGHT OPERATION ........................ ... 40
COMBINATION SWITCH READING FUNCTION ... 40
AUTO LIGHT OPERATION .............................. ... 40
CAN Communication System Description ........... ... 40
CAN Communication Unit .................................... ... 40
Schematic ............................................................ ... 41
Wiring Diagram — DTRL — ................................ ... 42
Terminals and Reference Values for BCM ........... ... 46

LT-2Revision: 2005 July 2005 FX
How to Proceed With Trouble Diagnosis .............
... 46
Preliminary Check ............................................... ... 47
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 47
INSPECTION PARKING BRAKE SWITCH CIR-
CUIT ................................................................. ... 48
CONSULT-II Functions (BCM) ............................. ... 49
CONSULT-II BASIC OPERATION .................... ... 49
DATA MONITOR ............................................... ... 50
ACTIVE TEST .................................................. ... 51
Daytime Light Control Does Not Operate Properly ... 52
Aiming Adjustment ............................................... ... 54
Bulb Replacement ............................................... ... 54
Removal and Installation ..................................... ... 54
Disassembly and Assembly ................................. ... 54
AUTO LIGHT SYSTEM .......................................... ... 55
Component Parts and Harness Connector Location ... 55
System Description .............................................. ... 55
OUTLINE .......................................................... ... 55
COMBINATION SWITCH READING FUNCTION ... 56
EXTERIOR LAMP BATTERY SAVER CONTROL ... 56
DELAY TIMER FUNCTION .............................. ... 56
CAN Communication System Description ........... ... 56
CAN Communication Unit .................................... ... 56
Major Components and Functions ....................... ... 56
Schematic ............................................................ ... 57
Wiring Diagram — AUTO/L — ............................. ... 58
Terminals and Reference Values for BCM ........... ... 61
Terminals and Reference Values for IPDM E/R ... ... 62
How to Proceed With Trouble Diagnosis ............. ... 62
Preliminary Check ............................................... ... 63
SETTING CHANGE FUNCTIONS .................... ... 63
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 63
CONSULT-II Functions (BCM) ............................. ... 65
CONSULT-II BASIC OPERATION .................... ... 65
WORK SUPPORT ............................................ ... 66
DATA MONITOR ............................................... ... 66
ACTIVE TEST .................................................. ... 67
CONSULT-II Functions (IPDM E/R) ..................... ... 68
CONSULT-II BASIC OPERATION .................... ... 68
DATA MONITOR ............................................... ... 69
ACTIVE TEST .................................................. ... 69
Symptom Chart .................................................... ... 70
Lighting Switch Inspection ................................... ... 70
Optical sensor System Inspection ....................... ... 71
Removal and Installation of Optical Sensor ......... ... 73
REMOVAL ........................................................ ... 73
INSTALLATION ................................................. ... 73
HEADLAMP AIMING CONTROL ........................... ... 74
Schematic ............................................................ ... 74
Wiring Diagram — H/AIM — ................................ ... 75
Removal and Installation ..................................... ... 78
REMOVAL ........................................................ ... 78
INSTALLATION ................................................. ... 78
Switch Circuit Inspection ..................................... ... 78
FRONT FOG LAMP ............................................... ... 79
Component Parts and Harness Connector Location ... 79 System Description ..............................................
... 79
OUTLINE .......................................................... ... 79
FRONT FOG LAMP OPERATION .................... ... 80
COMBINATION SWITCH READING FUNCTION ... 80
EXTERIOR LAMP BATTERY SAVER CONTROL ... 80
CAN Communication System Description ........... ... 80
CAN Communication Unit .................................... ... 80
Wiring Diagram — F/FOG — ............................... ... 81
Terminals and Reference Values for BCM ........... ... 83
Terminals and Reference Values for IPDM E/R ... ... 83
How to Proceed With Trouble Diagnosis ............. ... 84
Preliminary Check ................................................ ... 84
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................. ... 84
CONSULT-II Functions (BCM) ............................. ... 85
CONSULT-II Functions (IPDM E/R) ..................... ... 85
Front Fog Lamp Does Not Illuminate (Both Sides) ... 86
Front Fog Lamp Does Not Illuminate (One Side) . ... 88
Aiming Adjustment ............................................... ... 89
Bulb Replacement ................................................ ... 90
Removal and Installation ...................................... ... 90
REMOVAL ......................................................... ... 90
INSTALLATION ................................................. ... 90
TURN SIGNAL AND HAZARD WARNING LAMPS ... 91
Component Parts and Harness Connector Location ... 91
System Description .............................................. ... 91
TURN SIGNAL OPERATION ............................ ... 91
HAZARD LAMP OPERATION .......................... ... 92
REMOTE CONTROL ENTRY SYSTEM OPER-
ATION ............................................................... ... 93
COMBINATION SWITCH READING FUNCTION ... 94
CAN Communication System Description ........... ... 94
CAN Communication Unit .................................... ... 94
Schematic ............................................................ ... 95
Wiring Diagram — TURN — ................................ ... 96
Terminals and Reference Values for BCM ........... ... 99
How to Proceed With Trouble Diagnosis ............. .100
Preliminary Check ................................................ .100
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................. .100
CONSULT-II Functions (BCM) ............................. .102
CONSULT-II BASIC OPERATION .................... .102
DATA MONITOR ............................................... .103
ACTIVE TEST ................................................... .103
Turn Signal Lamp Does Not Operate ................... .103
Rear Turn Signal Lamp Does Not Operate .......... .105
Hazard Warning Lamp Does Not Operate But Turn
Signal Lamp Operate ........................................... .107
Turn Signal Indicator Lamp Does Not Operate .... .108
Bulb Replacement (Front Turn Signal Lamp) ....... .108
Bulb Replacement (Rear Turn Signal Lamp) ....... .108
Removal and Installation of Front Turn Signal Lamp .108
Removal and Installation of Rear Turn Signal Lamp .108
Removal and Installation of Rear Combination
Lamp Control Unit ................................................ .109
REMOVAL ......................................................... .109
INSTALLATION ................................................. .109

LT-4Revision: 2005 July 2005 FX
POWER SUPPLY AND GROUND ....................
.160
SWITCH OPERATION ..................................... .161
ROOM LAMP TIMER OPERATION .................. .162
INTERIOR LAMP BATTERY SAVER CONTROL .163
Schematic ............................................................ .165
Wiring Diagram — ROOM/L — ............................ .167
Terminals and Reference Values for BCM ........... .175
How to Proceed With Trouble Diagnosis ............. .176
Preliminary Check ............................................... .176
CHECK FOR POWER SUPPLY AND GROUND
CIRCUIT ........................................................... .176
CONSULT-II Functions (BCM) ............................. .177
CONSULT-II BASIC OPERATION .................... .177
WORK SUPPORT ............................................ .178
DATA MONITOR ............................................... .178
ACTIVE TEST .................................................. .179
Interior Room Lamp Control Does Not Operate .. .180
Map Lamp Control Does Not Operate ................. .181
Personal Lamp Control Does Not Operate .......... .183
Ignition Key Hole Illumination Control Does Not
Operate ................................................................ .184
All Step Lamps Do Not Operate ........................... .186
All Interior Room Lamps Do Not Operate ............ .187
Bulb Replacement ............................................... .187 INTERIOR ROOM LAMP ..................................
.187
MAP LAMP ....................................................... .187
PERSONAL LAMP ............................................ .187
Removal and Installation ...................................... .188
INTERIOR ROOM LAMP .................................. .188
MAP LAMP ....................................................... .188
PERSONAL LAMP ............................................ .188
ILLUMINATION ....................................................... .189
System Description .............................................. .189
ILLUMINATION OPERATION BY LIGHTING
SWITCH ............................................................ .189
EXTERIOR LAMP BATTERY SAVER CONTROL .190
CAN Communication System Description ........... .190
CAN Communication Unit .................................... .191
Schematic ............................................................ .192
Wiring Diagram — ILL — ..................................... .194
Removal and Installation ...................................... .202
ILLUMINATION CONTROL SWITCH ............... .202
GLOVE BOX LAMP .......................................... .202
FRONT DOOR INSIDE ILLUMINATION ........... .202
BULB SPECIFICATIONS ....................................... .203
Headlamp ............................................................. .203
Exterior Lamp ....................................................... .203
Interior Lamp/Illumination ..................................... .203

LT-6
PRECAUTIONS
Revision: 2005 July 2005 FX
General Precautions for Service OperationsAKS004ZU

Never work with wet hands.

Xenon headlamp includes high voltage generating part. Be sure
to disconnect battery negative cable (negative terminal) or
power fuse before removing, installing, or touching the xenon
headlamp (including lamp bulb).

Turn the lighting switch OFF before disconnecting and connect-
ing the connector.

When turning the xenon headlamp on and while it is illuminated,
never touch the harness, bulb, and socket of the headlamp.

When checking the headlamp on/off operation, check it on vehi-
cle and with the power connected to the vehicle-side connector.

Do not touch the headlamp bulb glass surface with bare hands or allow oil or grease to get on it. Do not
touch the headlamp bulb just after the headlamp is turned off, because it is very hot.

Install the xenon headlamp bulb socket correctly. If it is installed
improperly, high-voltage leak or corona discharge may occur
that can melt the bulb, connector, and housing. Do not illuminate
the xenon headlamp bulb out of the headlamp housing. Doing
so can cause fire and harm your eyes.

When the bulb has burned out, wrap it in a thick vinyl bag and
discard. Do not break the bulb.

Leaving the bulb removed from the headlamp housing for a long
period of time can deteriorate the performance of the lens and
reflector (dirt, clouding). Always prepare a new bulb and have it
on hand when replacing the bulb.

When adjusting the headlamp aiming, turn the aiming adjust-
ment screw only in the tightening direction. (If it is necessary to loosen the screw, first fully loosen the
screw, and then turn it in the tightening direction.)

Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.
PKIA0183E
EL-3422D

HEADLAMP - XENON TYPE - LT-7
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HEADLAMP - XENON TYPE -PFP:26010
Component Parts and Harness Connector LocationAKS007M9
System DescriptionAKS007MA
Control of the headlamp system operation is dependent upon the position of the combination switch (lighting
switch). When the lighting switch is placed in the 2ND position, the BCM (body control module) receives input
signal requesting the headlamps (and tail lamps) illuminate. This input signal is communicated to the IPDM E/
R (intelligent power distribution module engine room) across the CAN communication lines. The CPU (central
processing unit) located in the IPDM E/R controls the headlamp high and headlamp low relay coils. These
relays, when energized, direct power to the respective headlamps, which then illuminate.
If voltage is applied to a high beam solenoid, the bulb shade will move, even a xenon head lamp bulb comes
out, and a high beam and a low beam are changed.
OUTLINE
Power is supplied at all times

to headlamp high relay, located in IPDM E/R,

to headlamp low relay, located in IPDM E/R, and

to ignition relay, located in IPDM E/R, from battery direct,

through 10A fuse (No. 71, located in IPDM E/R)

to CPU located in IPDM E/R,

through 15A fuse (No. 78, located in IPDM E/R)

to CPU located in IPDM E/R,

through 50A fusible link (letter M, located in fuse, fusible link and relay box)

to BCM terminal 55,

through 15A fuse [No. 22, located in fuse block (J/B)]

to BCM terminal 42,

through 10A fuse [No. 19, located in fuse block (J/B)]

to combination meter terminal 8.
PKIB3472E