bulb INFINITI M35 2006 Factory Service Manual

ON BOARD DIAGNOSTIC (OBD) SYSTEM
AT-43
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Revision: 2006 January2006 M35/M45
HOW TO ERASE DTC (WITH GST)
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10
seconds and then turn it ON (engine stopped) again.
2. Perform AT-103, "
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)" . (The engine warm-up step
can be skipped when performing the diagnosis only to erase the DTC.)
3. Select Mode 4 with GST (Generic Scan Tool). For details, refer to EC-146, "
Generic Scan Tool (GST)
Function" (for VQ35DE engine), EC-859, "Generic Scan Tool (GST) Function" (for VK45DE engine).
HOW TO ERASE DTC (NO TOOLS)
The A/T CHECK indicator lamp is located on the instrument panel.
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10
seconds and then turn it ON (engine stopped) again.
2. Perform AT-103, "
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" . (The engine warm-up step
can be skipped when performing the diagnosis only to erase the DTC.)
3. Perform “OBD-II SELF-DIAGNOSTIC PROCEDURE (No tools)”. Refer to EC-67, "
How to Erase DTC"
(for VQ35DE engine), EC-778, "How to Erase DTC" (for VK45DE engine).
Malfunction Indicator Lamp (MIL)NCS001K1
DESCRIPTION
The MIL is located on the combination meters.
1. The MIL will light up when the ignition switch is turned ON with-
out the engine running. This is a bulb check.
If the MIL does not light up, refer to DI-40, "WARNING LAMPS" ,
or see EC-722, "
MIL AND DATA LINK CONNECTOR" (for
VQ35DE engine), EC-1459, "
MIL AND DATA LINK CONNEC-
TOR" (for VK45DE engine).
2. When the engine is started, the MIL should go off.
If the MIL remains on, the on board diagnostic system has
detected an engine system malfunction.
SEF217U

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-69
[VQ35DE]
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Revision: 2006 January2006 M35/M45
–Te s t v a l u e s
Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all
of the data listed above, are cleared from the ECM memory during work procedures.
Malfunction Indicator Lamp (MIL)NBS004SO
DESCRIPTION
The MIL is located on the instrument panel.
1. The MIL will light up when the ignition switch is turned ON with-
out the engine running. This is a bulb check.
If the MIL does not light up, refer to DI-40, "
WARNING LAMPS" ,
or see EC-722, "
MIL AND DATA LINK CONNECTOR" .
2. When the engine is started, the MIL should go off.
If the MIL remains on, the on board diagnostic system has
detected an engine system malfunction.
ON BOARD DIAGNOSTIC SYSTEM FUNCTION
The on board diagnostic system has the following three functions.
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means
of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands the
driver to repair the malfunction.
SEF217U
Diagnostic Test
ModeKEY and ENG.
StatusFunction Explanation of Function
Mode I Ignition switch in
ON position
Engine stoppedBULB CHECK This function checks the MIL bulb for damage (blown,
open circuit, etc.).
If the MIL does not come on, check MIL circuit.
Engine running MALFUNCTION
WARNINGThis is a usual driving condition. When a malfunction is
detected twice in two consecutive driving cycles (two trip
detection logic), the MIL will light up to inform the driver
that a malfunction has been detected.
The following malfunctions will light up or blink the MIL in
the 1st trip.
Misfire (Possible three way catalyst damage)
One trip detection diagnoses
Mode II Ignition switch in
ON position
Engine stoppedSELF-DIAGNOSTIC
RESULTSThis function allows DTCs and 1st trip DTCs to be read.
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut

EC-70
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
MIL Flashing Without DTC
When any SRT codes are not set, MIL may flash without DTC. For the details, refer to EC-62, "How to Display
SRT Status" .
HOW TO SWITCH DIAGNOSTIC TEST MODE
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
Always ECM returns to Diagnostic Test Mode I after ignition switch is turned OFF.
How to Set Diagnostic Test Mode II (Self-diagnostic Results)
1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts
blinking.
NOTE:
Do not release the accelerator pedal for 10 seconds if MIL may start blinking on the halfway of this
10 seconds. This blinking is displaying SRT status and is continued for another 10 seconds. For
the details, refer to EC-62, "
How to Display SRT Status" .
4. Fully release the accelerator pedal.
ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).
NOTE:
Wait until the same DTC (or 1st trip DTC) appears to confirm all DTCs certainly.
How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to EC-70, "How to Set Diagnostic Test
Mode II (Self-diagnostic Results)" .
2. Fully depress the accelerator pedal and keep it for more than 10 seconds.
The emission-related diagnostic information has been erased from the backup memory in the ECM.
3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.
DIAGNOSTIC TEST MODE I — BULB CHECK
In this mode, the MIL on the instrument panel should stay ON. If it remains OFF, check the bulb. Refer to DI-
40, "WARNING LAMPS" or see EC-722, "MIL AND DATA LINK CONNECTOR" .
DIAGNOSTIC TEST MODE I — MALFUNCTION WARNING
This DTC number is clarified in Diagnostic Test Mode II (SELF-DIAGNOSTIC RESULTS)
PBIB0092E
MIL Condition
ON When the malfunction is detected.
OFF No malfunction.

EC-780
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
–Test values
Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all
of the data listed above, are cleared from the ECM memory during work procedures.
Malfunction Indicator Lamp (MIL)NBS005A4
DESCRIPTION
The MIL is located on the instrument panel.
1. The MIL will light up when the ignition switch is turned ON with-
out the engine running. This is a bulb check.
If the MIL does not light up, refer to DI-40, "
WARNING LAMPS" ,
or see EC-1459, "
MIL AND DATA LINK CONNECTOR" .
2. When the engine is started, the MIL should go off.
If the MIL remains on, the on board diagnostic system has
detected an engine system malfunction.
ON BOARD DIAGNOSTIC SYSTEM FUNCTION
The on board diagnostic system has the following three functions.
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means
of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands the
driver to repair the malfunction.
SEF217U
Diagnostic Test
ModeKEY and ENG.
Sta tusFunction Explanation of Function
Mode I Ignition switch in
ON position
Engine stoppedBULB CHECK This function checks the MIL bulb for damage (blown,
open circuit, etc.).
If the MIL does not come on, check MIL circuit.
Engine running MALFUNCTION
WARNINGThis is a usual driving condition. When a malfunction is
detected twice in two consecutive driving cycles (two trip
detection logic), the MIL will light up to inform the driver
that a malfunction has been detected.
The following malfunctions will light up or blink the MIL in
the 1st trip.
Misfire (Possible three way catalyst damage)
One trip detection diagnoses
Mode II Ignition switch in
ON position
Engine stoppedSELF-DIAGNOSTIC
RESULTSThis function allows DTCs and 1st trip DTCs to be read.
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-781
[VK45DE]
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Revision: 2006 January2006 M35/M45
MIL Flashing Without DTC
When any SRT codes are not set, MIL may flash without DTC. For the details, refer to EC-773, "How to Dis-
play SRT Status" .
HOW TO SWITCH DIAGNOSTIC TEST MODE
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit
has a malfunction.
Always ECM returns to Diagnostic Test Mode I after ignition switch is turned OFF.
How to Set Diagnostic Test Mode II (Self-diagnostic Results)
1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts
blinking.
NOTE:
Do not release the accelerator pedal for 10 seconds if MIL may start blinking on the halfway of this
10 seconds. This blinking is displaying SRT status and is continued for another 10 seconds. For
the details, refer to EC-773, "
How to Display SRT Status" .
4. Fully release the accelerator pedal.
ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).
NOTE:
Wait until the same DTC (or 1st trip DTC) appears to confirm all DTCs certainly.
How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to EC-781, "How to Set Diagnostic
Test Mode II (Self-diagnostic Results)" .
2. Fully depress the accelerator pedal and keep it for more than 10 seconds.
The emission-related diagnostic information has been erased from the backup memory in the ECM.
3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.
DIAGNOSTIC TEST MODE I — BULB CHECK
In this mode, the MIL on the instrument panel should stay ON. If it remains OFF, check the bulb. Refer to DI-
40, "WARNING LAMPS" or see EC-1459, "MIL AND DATA LINK CONNECTOR" .
DIAGNOSTIC TEST MODE I — MALFUNCTION WARNING
This DTC number is clarified in Diagnostic Test Mode II (SELF-DIAGNOSTIC RESULTS)
DIAGNOSTIC TEST MODE II — SELF-DIAGNOSTIC RESULTS
In this mode, the DTC and 1st trip DTC are indicated by the number of blinks of the MIL as shown below.
PBIB0092E
MIL Condition
ON When the malfunction is detected.
OFF No malfunction.

GI-34
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
Revision: 2006 January2006 M35/M45
If repairs are needed always use wire that is of the same or larger gauge.
MEASURING VOLTAGE DROP — ACCUMULATED METHOD
Connect the DMM across the connector or part of the circuit you want to check. The positive lead of the
DMM should be closer to power and the negative lead closer to ground.
Operate the circuit.
The DMM will indicate how many volts are being used to “push” current through that part of the circuit.
Note in the illustration that there is an excessive 4.1 volt drop between the battery and the bulb.
MEASURING VOLTAGE DROP — STEP-BY-STEP
The step-by-step method is most useful for isolating excessive drops in low voltage systems (such as those in
“Computer Controlled Systems”).
Circuits in the “Computer Controlled System” operate on very low amperage.
The (Computer Controlled) system operations can be adversely affected by any variation in resistance in the
system. Such resistance variation may be caused by poor connection, improper installation, improper wire
gauge or corrosion.
The step by step voltage drop test can identify a component or wire with too much resistance.
SGI974
SAIA0258E

IDX-2
ALPHABETICAL INDEX
A
A/C air flow ...................................................... ATC-37
A/C component layout ..................................... ATC-25
A/C compressor mounting ........... ATC-155, ATC-158,
ATC-159
, ATC-160, ATC-162, ATC-164, ATC-165,
ATC-167
, ATC-168, ATC-169
A/C compressor precaution ............................. ATC-12
A/C compressor special service tool ................ ATC-16
A/C control operation (auto A/C) ...................... ATC-33
A/C diagnostic work flow (auto A/C) .............. ATC-111
A/C evaporator ............................................... ATC-168
A/C HFC134a (R134a) system precaution ........ ATC-6
A/C HFC134a (R134a) system service procedure .......
ATC-151
A/C HFC134a (R134a) system service tools ... ATC-17
A/C HFC134a system service equipment precaution ...
ATC-13
A/C lubricant (R134a) ...................................... ATC-26
A/C lubrication oil ........................................... ATC-174
A/C operational check ...................................... ATC-64
A/C self-diagnoses (auto A/C) ........ ATC-55, ATC-111
A/C service data specification ........................ ATC-174
A/C system description (auto A/C) ................... ATC-29
A/C trouble diagnoses (auto A/C) .................... ATC-40
A/C, A - Wiring diagram ................................... ATC-46
A/T fluid checking ...................... AT-13, AT-53, MA-29
A/T fluid cooler cleaning .................................... AT-14
A/T fluid replacement ............................. AT-12, MA-31
A/T fluid temperature sensor ........................... AT-135
A/T IND - Wiring diagram .................................... DI-57
A/T self-diagnoses ............................... AT-92, AT-103
A/T shift lock system ........................................ AT-229
A/T shift lock system - Wiring diagram ............ AT-230
A/T trouble diagnoses ........................................ AT-44
Accelerator control system ............................... ACC-3
Accelerator pedal position (APP) sensor ........ EC-626,
EC-633
, EC-647, EC-1358, EC-1365, EC-1379
Accelerator pedal released position learning .... EC-95,
EC-806
AF1B1-Wiring diagram ...... EC-249, EC-258, EC-267,
EC-277
, EC-657, EC-972, EC-981, EC-990, EC-1000,
EC-1389
AF1B2-Wiring diagram ...... EC-251, EC-260, EC-269,
EC-279
, EC-659, EC-974, EC-983, EC-992, EC-1002,
EC-1391
AF1HB1-Wiring diagram .................... EC-183, EC-905
AF1HB2-Wiring diagram .................... EC-185, EC-907
Air bag .............................................................. SRS-3
Air bag precautions ........................................... SRS-3
Air cleaner and air duct(VK45DE) ................... EM-177
Air cleaner and air duct(VQ35DE) .................... EM-17
Air cleaner filter replacement ............................ MA-25
Air cleaner filter replacement(VQ35DE) ........... MA-18
Air cleaner filter(VQ35DE) ................................ EM-18
Air conditioner cut control .................... EC-35, EC-745
Air flow meter - See Mass air flow sensor ...... EC-205,
EC-214
, EC-927, EC-936
Air fuel ratio sensor 1 ......... EC-246, EC-256, EC-265, EC-274
, EC-655, EC-969, EC-979, EC-988, EC-997,
EC-1387
Air fuel ratio sensor 1 heater ............. EC-182, EC-904
Air mix. door motor ......................... ATC-83, ATC-141
Alternator ........................................................... SC-23
Ambient sensor ............................. ATC-113, ATC-126
Angular tightening application ............................. EM-6
Angular tightening application(VK45DE) ........ EM-164
APPS1 - Wiring diagram ................. EC-628, EC-1360
APPS2 - Wiring diagram ................. EC-635, EC-1367
APPS3 - Wiring diagram ................. EC-649, EC-1381
ASC/BS - Wiring diagram ............... EC-587, EC-1313
ASC/SW - Wiring diagram .............. EC-570, EC-1296
ASCBOF - Wiring diagram .............. EC-708, EC-1450
ASCD .................................................. EC-36, EC-746
ASCD (automatic speed control device) ........... ACS-3
ASCIND - Wiring diagram ............... EC-715, EC-1457
AT indicator lamp ................................................ DI-56
Auto air conditioner - Wiring diagram ............. ATC-46
Auto amp ...................................................... ATC-125
Auto anti-dazzling inside mirror .......... GW-71, GW-72
Automatic amplifier ........... ATC-53, ATC-66, ATC-125
Automatic transmission fluid replacement ........ MA-32
AWD - Wiring diagram ....................................... TF-17
Axle ................................................................... MA-37
B
Back-up lamp ................................................... LT-246
Basic inspection .................................. EC-77, EC-788
Battery ................................................................. SC-4
Battery current sensor ....... EC-537, EC-543, EC-549,
EC-555
, EC-1263, EC-1269, EC-1275, EC-1281
Battery/Starting/Charging System Tester .......... SC-28
Battery/Starting/Charging System Tester(Battery) SC-7
Battery/Starting/Charging System Tester(Starting
system) .............................................................. SC-13
BCM (Body control module) .............................. BCS-3
Block heater(VK45DE) .................................... EM-249
Block heater(VQ35DE) ................................... EM-123
Blower motor ................................... ATC-89, ATC-132
Blower unit .................................................... ATC-130
Brake fluid level ................................................ MA-35
Brake hydraulic line ........................................... BR-12
Brake inspection ............................................... MA-36
Brake lines and cables inspection .................... MA-35
Brake pedal .......................................................... BR-6
Brake switch ................................... EC-598, EC-1329
BRK/SW - Wiring diagram .............. EC-600, EC-1331
Bulb specifications ........................................... LT-315
Bumper, front ...................................................... EI-11
Bumper, rear ....................................................... EI-14
C
Camshaft inspection(VK45DE) ....................... EM-216
Camshaft inspection(VQ35DE) ......................... EM-86
Camshaft position sensor (PHASE) EC-383, EC-1106
Camshaft(VK45DE) ........................................ EM-215

LT-1
LIGHTING SYSTEM
K ELECTRICAL
CONTENTS
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SECTION LT
A
B
LT
Revision: 2006 January2006 M35/M45
LIGHTING SYSTEM
PRECAUTIONS .......................................................... 6
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 6
General Precautions for Service Operations ............ 7
HEADLAMP (FOR USA) - CONVENTIONAL TYPE - ..... 8
Component Parts and Harness Connector Location ..... 8
System Description .................................................. 8
OUTLINE ............................................................... 9
HEADLAMP OPERATION .................................. 10
COMBINATION SWITCH READING FUNCTION .... 11
EXTERIOR LAMP BATTERY SAVER CONTROL .... 11
AUTO LIGHT OPERATION .................................. 11
CAN Communication System Description ............... 11
CAN Communication Unit ....................................... 11
Schematic .............................................................. 12
Wiring Diagram — H/LAMP — ............................... 13
Terminals and Reference Values for BCM ............. 18
Terminals and Reference Values for IPDM E/R ..... 20
How to Perform Trouble Diagnoses ....................... 20
Preliminary Check .................................................. 20
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 20
CONSULT-II Functions (BCM) ............................... 22
CONSULT-II BASIC OPERATION ....................... 22
DATA MONITOR ................................................. 23
ACTIVE TEST ..................................................... 24
CONSULT-II Functions (IPDM E/R) ....................... 25
CONSULT-II BASIC OPERATION ....................... 25
DATA MONITOR ................................................. 26
ACTIVE TEST ..................................................... 26
Headlamp High Beam Does Not Illuminate (Both
Sides) ..................................................................... 27
Headlamp High Beam Does Not Illuminate (One
Side) ....................................................................... 30
High Beam Indicator Lamp Does Not Illuminate .... 31
Headlamp Low Beam Does Not Illuminate (Both
Sides) ..................................................................... 32
Headlamp Low Beam Does Not Illuminate (One
Side) ....................................................................... 35Headlamps Do Not Turn OFF ................................. 37
Aiming Adjustment .................................................. 38
PREPARATION BEFORE ADJUSTING .............. 38
LOW BEAM AND HIGH BEAM ........................... 38
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ............ 39
Bulb Replacement .................................................. 39
HEADLAMP (INNER) HIGH BEAM ..................... 39
HEADLAMP (OUTER) LOW BEAM .................... 40
PARKING LAMP (CLEARANCE) LAMP .............. 40
FRONT TURN SIGNAL LAMP ............................ 40
FRONT SIDE MARKER LAMP ........................... 40
Removal and Installation ........................................ 41
REMOVAL ........................................................
... 41
INSTALLATION ................................................... 41
Disassembly and Assembly .................................... 42
DISASSEMBLY ................................................... 42
ASSEMBLY ......................................................... 42
HEADLAMP (FOR USA) - XENON TYPE - .............. 43
Component Parts and Harness Connector Location ... 43
System Description ................................................. 43
OUTLINE ............................................................. 44
HEADLAMP OPERATION ................................... 45
COMBINATION SWITCH READING FUNCTION ... 46
EXTERIOR LAMP BATTERY SAVER CONTROL ... 46
AUTO LIGHT OPERATION ................................. 46
XENON HEADLAMP ........................................... 46
CAN Communication System Description .............. 46
CAN Communication Unit ....................................... 46
Schematic ............................................................... 47
Wiring Diagram — H/LAMP — ............................... 48
Terminals and Reference Values for BCM .............. 53
Terminals and Reference Values for IPDM E/R ...... 55
How to Perform Trouble Diagnoses ....................... 55
Preliminary Check .................................................. 55
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 55
CONSULT-II Functions (BCM) ................................ 57
CONSULT-II BASIC OPERATION ....................... 57
DATA MONITOR ................................................. 58

LT-2Revision: 2006 January2006 M35/M45 ACTIVE TEST ..................................................... 59
CONSULT-II Functions (IPDM E/R) ........................ 60
CONSULT-II BASIC OPERATION ....................... 60
DATA MONITOR .................................................. 61
ACTIVE TEST ..................................................... 61
Headlamp High Beam Does Not Illuminate (Both
Sides) ..................................................................... 62
Headlamp High Beam Does Not Illuminate (One
Side) ....................................................................... 65
High Beam Indicator Lamp Does Not Illuminate ..... 66
Headlamp Low Beam Does Not Illuminate (Both
Sides) ..................................................................... 67
Headlamp Low Beam Does Not Illuminate (One
Side) ....................................................................... 70
Headlamps Do Not Turn OFF ................................. 72
General Information for Xenon Headlamp Trouble
Diagnosis ................................................................ 73
Caution: .................................................................. 73
Xenon Headlamp Trouble Diagnosis ...................... 73
Aiming Adjustment .................................................. 74
PREPARATION BEFORE ADJUSTING .............. 74
LOW BEAM AND HIGH BEAM ........................... 74
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ............ 75
Bulb Replacement ...............................................
... 75
HEADLAMP (INNER) HIGH BEAM ..................... 75
HEADLAMP (OUTER) LOW BEAM .................... 76
PARKING LAMP (CLEARANCE LAMP) .............. 76
FRONT TURN SIGNAL LAMP ............................ 76
FRONT SIDE MARKER LAMP ............................ 76
Removal and Installation ........................................ 76
Disassembly and Assembly .................................... 77
DISASSEMBLY ................................................... 77
ASSEMBLY ......................................................... 78
HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - .................................................................. 79
Component Parts and Harness Connector Location ... 79
System Description ................................................. 79
OUTLINE ............................................................. 80
HEADLAMP OPERATION ................................... 81
DAYTIME LIGHT OPERATION ........................... 82
COMBINATION SWITCH READING FUNCTION ... 82
AUTO LIGHT OPERATION ................................. 82
CAN Communication System Description .............. 82
Schematic ............................................................... 83
Wiring Diagram — DTRL — ................................... 84
Terminals and Reference Values for BCM .............. 89
Terminals and Reference Values for IPDM E/R ...... 91
How to Perform Trouble Diagnosis ......................... 91
Preliminary Check .................................................. 92
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT ............................................. 92
INSPECTION FOR PARKING BRAKE SWITCH
CIRCUIT .............................................................. 93
CONSULT-II Functions (BCM) ................................ 94
CONSULT-II BASIC OPERATION ....................... 94
DATA MONITOR .................................................. 95
ACTIVE TEST ..................................................... 96
CONSULT-II Functions (IPDM E/R) ........................ 97CONSULT-II BASIC OPERATION ....................... 97
DATA MONITOR .................................................. 98
ACTIVE TEST ...................................................... 98
Daytime Light Control Does Not Operate Properly
(Normal Headlamps Operate Properly) .................. 99
Headlamp High Beam Does Not Illuminate (Both
Sides) ....................................................................102
RH High Beam Does Not Illuminate But LH High
Beam Illuminates ..................................................105
LH High Beam Does Not Illuminate But RH High
Beam Illuminates ..................................................107
Headlamp Low Beam Does Not Illuminate (Both
Sides) ....................................................................109
Headlamp Low Beam Does Not Illuminate (One
Side) ......................................................................112
Headlamps Do Not Turn OFF ...............................114
General Information for Xenon Headlamp Trouble
Diagnosis ..............................................................115
CAUTION: .............................................................115
Xenon Headlamp Trouble Diagnosis ....................115
Aiming Adjustment ................................................115
Bulb Replacement .................................................115
Removal and Installation .......................................115
Disassembly and Assembly ..................................115
AUTO LIGHT SYSTEM ...........................................116
Component Parts and Harness Connector Location .116
System Description ...............................................116
OUTLINE ...........................................................116
COMBINATION SWITCH READING FUNCTION .117
EXTERIOR LAMP BATTERY SAVER CONTROL .117
DELAY TIMER FUNCTION ................................117
CAN Communication System Description ............117
CAN Communication Unit .....................................117
Major Components and Functions ........................117
Schematic .............................................................118
Wiring Diagram — AUTO/L — ..............................119
Terminals and Reference Values for BCM ............123
Terminals and Reference Values for IPDM E/R ....125
How to Perform Trouble Diagnoses ......................125
Preliminary Check .................................................126
SETTING CHANGE FUNCTIONS .....................126
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ...................................................................126
CONSULT-II Functions (BCM) .............................
.127
CONSULT-II BASIC OPERATION .....................127
WORK SUPPORT .............................................128
DATA MONITOR ................................................129
ACTIVE TEST ....................................................130
Symptom Chart .....................................................130
Lighting Switch Inspection ....................................131
Optical Sensor System Inspection ........................131
Removal and Installation for Optical Sensor .........133
REMOVAL ..........................................................133
INSTALLATION ..................................................133
ACTIVE AFS ............................................................134
Component Parts and Harness Connector Location .134
System Description ...............................................135
AFS (ADAPTIVE FRONT-LIGHTING SYSTEM) .135
HEADLAMP AUTO AIMING ..............................136

LT-3
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LT
Revision: 2006 January2006 M35/M45 OUTLINE ...........................................................136
AFS OPERATION .............................................137
HEADLAMP AUTO AIMING OPERATION ........139
CAN COMMUNICATION SYSTEM DESCRIP-
TION ..................................................................139
CAN COMMUNICATION UNIT .........................139
Component Parts Description ..............................140
AFS CONTROL UNIT .......................................140
SWIVEL ACTUATOR ........................................140
AIMING MOTOR ...............................................140
AFS SWITCH ....................................................141
HEIGHT SENSOR ............................................141
STEERING ANGLE SENSOR ..........................141
IPDM E/R ..........................................................141
ECM ..................................................................141
TCM ..................................................................141
UNIFIED METER AND A/C AMP. .....................141
COMBINATION METER ...................................141
Schematic ............................................................142
Wiring Diagram — AFS — ...................................143
Terminals and Reference Values for AFS Control
Unit .......................................................................149
How to Proceed with Trouble Diagnosis ..............151
Preliminary Check ................................................151
CONSULT-II Function (ADAPTIVE LIGHT) ..........152
CONSULT-II BASIC OPERATION .....................152
WORK SUPPORT (STEERING ANGLE SEN-
SOR ADJUSTMENT) ........................................153
WORK SUPPORT (LEVELIZER ADJUSTMENT)
.153
SELF-DIAG RESULTS ......................................154
DATA MONITOR ...............................................158
ACTIVE TEST ...................................................160
Symptom Chart ....................................................161
DTC B2503 SWIVEL ACTUATOR RH .................162
DTC B2504 SWIVEL ACTUATOR LH ..................168
DTC B2514 HI SEN UNUSUAL RR .....................174
DTC B2521 ECU CIRC ........................................178
AFS Operation Check (Function Test) .................181
Auto Aiming Operation Check (Function Test) .....183
AFS Switch Does Not Operate .............................185
Auto Aiming Does Not Operate (Check Aiming
Motor System Circuit) ..........................................
.187
AFS OFF Indicator Does Not Operate .................190
Removal and Installation of Steering Angle Sensor .190
Removal and Installation of Front Combination
Lamp ....................................................................190
Removal and Installation of AFS Control Unit ......191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of AFS Switch ..............191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of Height Sensor ..........192
REMOVAL ........................................................
.192
INSTALLATION .................................................192
FRONT FOG LAMP ................................................193
Component Parts and Harness Connector Location .193
System Description ..............................................193OUTLINE ...........................................................194
COMBINATION SWITCH READING FUNCTION .195
EXTERIOR LAMP BATTERY SAVER CONTROL .195
CAN Communication System Description ............195
CAN Communication Unit .....................................195
Schematic .............................................................196
Wiring Diagram — F/FOG — ................................197
Terminals and Reference Values for BCM ............201
Terminals and Reference Values for IPDM E/R ....202
How to Perform Trouble Diagnoses .....................202
Preliminary Check ................................................202
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................202
CONSULT-II Functions (BCM) ..............................203
CONSULT-II Functions (IPDM E/R) ......................203
Front Fog Lamps Do Not Illuminate (Both Sides) . 204
Front Fog Lamp Does Not Illuminate (One Side) . 207
Front Fog Lamps Do Not Turn OFF ......................208
Aiming Adjustment ................................................209
Bulb Replacement ................................................210
Removal and Installation ......................................210
REMOVAL ........................................................
.210
INSTALLATION .................................................210
TURN SIGNAL AND HAZARD WARNING LAMPS .211
Component Parts and Harness Connector Location .211
System Description ...............................................211
TURN SIGNAL OPERATION ............................211
HAZARD LAMP OPERATION ...........................212
COMBINATION SWITCH READING FUNCTION .213
CAN Communication System Description ............213
CAN Communication Unit .....................................213
Schematic .............................................................214
Wiring Diagram — TURN — .................................215
Terminals and Reference Values for BCM ............219
How to Perform Trouble Diagnoses .....................220
Preliminary Check ................................................221
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................221
CONSULT-II Functions (BCM) ..............................223
CONSULT-II BASIC OPERATION .....................223
DATA MONITOR ...............................................224
ACTIVE TEST ...................................................224
Turn Signal Lamp Does Not Operate ...................225
H a z a r d W a r n i n g L a m p D o e s N o t O p e r a t e B u t T u r n
Signal Lamp Operate ............................................227
Turn Signal Indicator Lamp Does Not Operate ....228
Bulb Replacement/Removal and Installation of Side
Turn Signal Lamp .................................................229
REMOVAL ........................................................
.229
INSTALLATION .................................................229
Bulb Replacement (Front Turn Signal Lamp) .......229
Bulb Replacement (Rear Turn Signal Lamp) ........229
Removal and Installation of Front Turn Signal Lamp .229
Removal and Installation of Rear Turn Signal Lamp .229
LIGHTING AND TURN SIGNAL SWITCH ..............230
Removal and Installation ......................................230
REMOVAL ........................................................
.230
INSTALLATION .................................................230
Switch Circuit Inspection ......................................230