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LT


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K ELECTRICAL

                                                                                                                                                                   A




                                                                                                         SECTION
                                                                                                  LIGHTING SYSTEM
                                                                                                                                    LT                             B



                                                                                                                                                                   C



                                                                                                                                                                   D



                                                                                                                                                                   E
                                                                 CONTENTS
PRECAUTIONS ......................................................... 4 .           HEADLAMP (OUTER SIDE), FOR LOW BEAM... 30                                      F
 Precautions for Supplemental Restraint System                                      HEADLAMP (INNER SIDE), FOR HIGH BEAM... 30
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            TURN SIGNAL/PARKING LAMP (FRONT) ........ 31                         .
 SIONER" ................................................................. 4
                                                                        .           SIDE MARKER LAMP (FRONT) ........................ 31                 .        G
 General precautions for service operations ............ 4              .         Removal and Installation ....................................... 31    .
HEADLAMP (FOR USA) ........................................... 5        .           COMBINATION LAMP ASSEMBLY (FRONT) .... 31                            .
 Component Parts and Harness Connector Location 5                       .....       INSTALLATION .................................................. 31   .
                                                                                                                                                                   H
 System Description ................................................. 5 .         Disassembly and Assembly ................................... 32        .
   OUTLINE .............................................................. 5
                                                                        .           FRONT COMBINATION LAMP ASSEMBLY ...... 32                            .
   BATTERY SAVER CONTROL ............................. 6                .           DISASSEMBLY .................................................. 32    .
   AUTO LIGHT OPERATION .................................. 7            .           ASSEMBLY ........................................................ 32 .         I
   VEHICLE SECURITY SYSTEM (PANIC ALARM) 7                              .....    HEADLAMP (FOR CANADA) - DAYTIME LIGHT
 CAN Communication System Description ............... 7                 .        SYSTEM - ................................................................. 33
                                                                                                                                                         .
 Schematic ............................................................... 8
                                                                        .         Component Parts and Harness Connector Location 33                      ...       J
 Wiring Diagram -- H/LAMP -- ................................ 9         .         System Description ................................................ 34 .
 Terminals and Reference Values for BCM ............ 13                 .           OUTLINE ............................................................ 34
                                                                                                                                                         .
 Terminals and Reference Values for IPDM E/R .... 14                    .           DAYTIME LIGHT OPERATION .......................... 34                .
                                                                                                                                                                  LT
 How to Proceed With Trouble Diagnosis ............... 14               .           COMBINATION SWITCH READING FUNCTION 34                               ...
 Preliminary Check ................................................. 15 .           AUTO LIGHT OPERATION ................................ 34             .
   CHECK POWER SUPPLY AND GROUND CIR-                                             CAN Communication System Description ............. 35                  .
   CUIT ................................................................... 15
                                                                        .         Schematic .............................................................. 36
                                                                                                                                                         .         L
 CONSULT-II Function (BCM) ................................ 17          .         Wiring Diagram -- DTRL -- .................................. 37        .
   CONSULT-II OPERATION ................................. 17            .         Terminals and Reference Values for BCM ............. 41                .
   WORK SUPPORT .............................................. 18       .         How to Proceed With Trouble Diagnosis ............... 42               .        M
   DATA MONITOR ................................................ 18     .         Preliminary Check ................................................. 42 .
   ACTIVE TEST .................................................... 19  .           CHECK BCM CONFIGURATION ....................... 42                   .
   SELF-DIAGNOSTIC RESULTS ......................... 19                 .           INSPECTION FOR POWER SUPPLY AND
 CONSULT-II Function (IPDM E/R) ........................ 20             .           GROUND CIRCUIT ............................................ 42       .
   CONSULT-II OPERATION ................................. 20            .           INSPECTION PARKING BRAKE SWITCH CIR-
   DATA MONITOR ................................................ 21     .           CUIT ................................................................... 43
                                                                                                                                                         .
   ACTIVE TEST .................................................... 21  .         CONSULT-II Functions .......................................... 44     .
 Headlamp HI Does Not Illuminate (Both Sides) .... 22                   .         Daytime Light Control Does Not Operate Properly
 Headlamp HI Does Not Illuminate (One Side) ...... 24                   .         (Normal Headlamps Operate Properly) ................. 44               .
 High Beam Indicator Lamp Does Not Illuminate ... 25                              Aiming Adjustment ................................................. 46 .
 Headlamp LO Does Not Illuminate (Both Sides) ... 25                              Bulb Replacement ................................................. 46  .
 Headlamp LO Does Not Illuminate (One Side) ..... 27                    .         Removal and Installation ....................................... 46    .
 Headlamps Do Not Turn OFF ............................... 28           .         Disassembly and Assembly ................................... 46        .
 Aiming Adjustment ................................................ 29  .        AUTO LIGHT SYSTEM ............................................ 47       .
   HEADLAMP AIMING .......................................... 29        .         Component Parts and Harness Connector Location 47                      ...
 Bulb Replacement ................................................. 30  .         System Description ................................................ 48 .


Revision: October 2006                                                      LT-1                                                                2006 Titan
   OUTLINE ............................................................ 48
                                                                        .            OUTLINE ............................................................76.
   COMBINATION SWITCH READING FUNCTION 48                               ...          TURN SIGNAL OPERATION ..............................76                .
   EXTERIOR LAMP BATTERY SAVER CONTROL 48                               ...          HAZARD LAMP OPERATION ............................77                  .
   DELAY TIMER FUNCTION ................................ 48             .            REMOTE KEYLESS ENTRY SYSTEM OPERA-
 CAN Communication System Description ............. 48                  .            TION ...................................................................78
                                                                                                                                                           .
 Major Components and Functions ......................... 48            .            COMBINATION SWITCH READING FUNCTION                                   ...78
 Schematic .............................................................. 49
                                                                        .          CAN Communication System Description .............78                    .
 Wiring Diagram -- AUTO/L -- ............................... 50         .          Schematic ..............................................................79
                                                                                                                                                           .
 Terminals and Reference Values for BCM ............. 53                .          Wiring Diagram -- TURN -- ..................................80          .
 Terminals and Reference Values for IPDM E/R ..... 54                   .          Terminals and Reference Values for BCM .............83                  .
 How to Proceed With Trouble Diagnosis ............... 55               .          How to Proceed With Trouble Diagnosis ...............84                 .
 Preliminary Check ................................................. 55 .          Preliminary Check ..................................................85  .
   SETTING CHANGE FUNCTIONS ...................... 55                   .            CHECK POWER SUPPLY AND GROUND CIR-
   CHECK BCM CONFIGURATION ....................... 55                   .            CUIT ....................................................................85
                                                                                                                                                           .
   CHECK POWER SUPPLY AND GROUND CIR-                                              CONSULT-II Function (BCM) .................................86           .
   CUIT ................................................................... 55
                                                                        .            CONSULT-II OPERATION ..................................86             .
 CONSULT-II Function (BCM) ................................. 57         .            DATA MONITOR .................................................87      .
   CONSULT-II OPERATION .................................. 57           .            ACTIVE TEST .....................................................87   .
   WORK SUPPORT .............................................. 58       .          Front Turn Signal Lamp Does Not Operate ...........88                   .
   DATA MONITOR ................................................. 58    .          Door Mirror Turn Signal Lamp Does Not Operate ...89
   ACTIVE TEST .................................................... 59  .          Rear Turn Signal Lamp Does Not Operate ............90                   .
   SELF-DIAGNOSTIC RESULTS .......................... 59                .          Hazard Warning Lamp Does Not Operate But Turn
 CONSULT-II Function (IPDM E/R) ......................... 60            .          Signal Lamps Operate ...........................................91      .
   CONSULT-II OPERATION .................................. 60           .          Turn Signal Indicator Lamp Does Not Operate ......92                    .
   DATA MONITOR ................................................. 61    .          Bulb Replacement ..................................................93   .
   ACTIVE TEST .................................................... 61  .            TURN SIGNAL LAMP (FRONT) .........................93                  .
 Trouble Diagnosis Chart by Symptom ................... 62              .            TURN SIGNAL LAMP (REAR) ............................93                .
 Lighting Switch Inspection ..................................... 62    .          Removal and Installation ........................................93     .
 Optical Sensor System Inspection ......................... 63          .            TURN SIGNAL LAMP (FRONT) .........................93                  .
 Removal and Installation ....................................... 64    .            TURN SIGNAL LAMP (REAR) ............................93                .
   OPTICAL SENSOR ............................................ 64       .        LIGHTING AND TURN SIGNAL SWITCH ...............94                         .
FRONT FOG LAMP ................................................. 65     .          Removal and Installation ........................................94     .
 Component Parts and Harness Connector Location 65                      ...          REMOVAL ...........................................................94 .
 System Description ................................................ 65 .            INSTALLATION ...................................................94    .
   OUTLINE ............................................................ 65
                                                                        .        HAZARD SWITCH ....................................................95      .
   COMBINATION SWITCH READING FUNCTION 66                               ...        Removal and Installation ........................................95     .
   EXTERIOR LAMP BATTERY SAVER CONTROL 66                               ...          REMOVAL ..........................................................95  .
 CAN Communication System Description ............. 66                  .            INSTALLATION ..................................................95     .
 Wiring Diagram -- F/FOG -- ................................. 67        .        COMBINATION SWITCH .........................................96            .
 Terminals and Reference Values for BCM ............. 69                .          Wiring Diagram -- COMBSW -- ...........................96               .
 Terminals and Reference Values for IPDM E/R ..... 70                   .          Combination Switch Reading Function ..................97                .
 How to Proceed With Trouble Diagnosis ............... 70               .          CONSULT-II Function (BCM) .................................97           .
 Preliminary Check ................................................. 71 .            CONSULT-II OPERATION ..................................97             .
   CHECK BCM CONFIGURATION ....................... 71                   .            DATA MONITOR .................................................98      .
   CHECK POWER SUPPLY AND GROUND CIR-                                              Combination Switch Inspection ..............................99          .
   CUIT ................................................................... 71
                                                                        .          Removal and Installation ...................................... 101     .
 CONSULT-II Functions .......................................... 72     .          Switch Circuit Inspection ...................................... 101    .
 Front Fog Lamps Do Not Illuminate (Both Sides) ... 72                           STOP LAMP ........................................................... 102 .
 Front Fog Lamp Does Not Illuminate (One Side) ... 73                              System Description .............................................. 102   .
 Aiming Adjustment ................................................. 74 .          Wiring Diagram -- STOP/L -- ............................. 103           .
 Bulb Replacement ................................................. 75  .          Bulb Replacement ................................................ 105   .
   REMOVAL .......................................................... 75.            HIGH-MOUNTED STOP LAMP ........................ 105                   .
   INSTALLATION .................................................. 75   .            STOP LAMP ..................................................... 105   .
 Removal and Installation ....................................... 75    .          Removal and Installation ...................................... 105     .
   REMOVAL .......................................................... 75.            HIGH-MOUNTED STOP LAMP ........................ 105                   .
   INSTALLATION .................................................. 75   .            STOP LAMP ..................................................... 105   .
TURN SIGNAL AND HAZARD WARNING LAMPS... 76                                       BACK-UP LAMP .................................................... 106     .
 Component Parts and Harness Connector Location 76                      ...        Wiring Diagram -- BACK/L -- ............................. 106           .
 System Description ................................................ 76 .

Revision: October 2006                                                      LT-2                                                                 2006 Titan
 Bulb Replacement ............................................... 107    .           TRAILER POWER SUPPLY OPERATION ....... 125                           .
 Removal and Installation ..................................... 107      .         Schematic ............................................................ 126
                                                                                                                                                          .        A
PARKING, LICENSE PLATE AND TAIL LAMPS .. 108                             .         Wiring Diagram -- T/TOW -- .............................. 127          .
 Component Parts and Harness Connector Location 108                      .       INTERIOR ROOM LAMP ....................................... 131           .
 System Description ............................................. 108    .         Component Parts and Harness Connector Location 131                     .        B
    OPERATION BY LIGHTING SWITCH ............. 109                       .         System Description .............................................. 132  .
    COMBINATION SWITCH READING FUNCTION 109                              .           POWER SUPPLY AND GROUND ................... 132                      .
    EXTERIOR LAMP BATTERY SAVER CONTROL 109                              .           SWITCH OPERATION ..................................... 133           .
 CAN Communication System Description ........... 109                    .           ROOM LAMP TIMER OPERATION ................. 134                      .        C
 Schematic ............................................................110
                                                                         .           INTERIOR LAMP BATTERY SAVER CONTROL 134                              .
 Wiring Diagram -- TAIL/L -- ................................ 111        .         Schematic ............................................................ 136
                                                                                                                                                          .
 Terminals and Reference Values for BCM ...........114                   .         Wiring Diagram -- INT/L -- ................................. 139       .        D
 Terminals and Reference Values for IPDM E/R ...115                      .         Terminals and Reference Values for BCM ........... 147                 .
 How to Proceed With Trouble Diagnosis ..............115                 .         How to Proceed With Trouble Diagnosis ............. 148                .
 Preliminary Check ................................................116   .         Preliminary Check ............................................... 148  .        E
    CHECK POWER SUPPLY AND GROUND CIR-                                               INSPECTION FOR POWER SUPPLY AND
    CUIT ..................................................................116
                                                                         .           GROUND CIRCUIT .......................................... 148        .
 CONSULT-II Functions .........................................117       .         CONSULT-II Function (BCM) .............................. 149           .
 Parking, License Plate and/or Tail Lamps Do Not                                     CONSULT-II OPERATION ................................ 149            .        F
 Illuminate ..............................................................117
                                                                         .           WORK SUPPORT ............................................ 150        .
 Parking, License Plate and Tail Lamps Do Not Turn                                   DATA MONITOR .............................................. 150      .
 OFF (After Approx. 10 Minutes) .......................... 120           .           ACTIVE TEST .................................................. 151   .       G
 Bulb Replacement ............................................... 121    .         Front Room/Map Lamp Assembly Control Does Not
    PARKING LAMP (FRONT) ............................... 121             .         Operate ................................................................ 151
                                                                                                                                                          .
    SIDE MARKER LAMP (FRONT) ...................... 121                  .         Personal Lamp 2nd Row Control Does Not Operate                                  H
    TAIL LAMP ....................................................... 121.         (Room/Map Lamps Operate) ............................... 153           .
 Removal and Installation ..................................... 121      .         All Step/Foot/Puddle Lamps Do Not Operate ...... 154                   .
    PARKING LAMP (FRONT) ............................... 121             .         All Interior Room Lamps Do Not Operate ............ 155                .
                                                                                                                                                                   I
    SIDE MARKER LAMP (FRONT) ...................... 121                  .       ILLUMINATION ...................................................... 156  .
    TAIL LAMP ....................................................... 121.         Component Parts and Harness Connector Location 156                     .
REAR COMBINATION LAMP ............................... 122                .         System Description .............................................. 156  .
 Bulb Replacement ............................................... 122    .           ILLUMINATION OPERATION BY LIGHTING                                            J
    SIDE MARKER LAMP (REAR) ........................ 122                 .           SWITCH ........................................................... 157
                                                                                                                                                          .
    INSTALLATION ................................................ 122    .           EXTERIOR LAMP BATTERY SAVER CONTROL 158                              .
 Removal and Installation ..................................... 122      .         CAN Communication System Description ........... 158                   .       LT
    REMOVAL ........................................................ 122 .         Schematic ............................................................ 159
                                                                                                                                                          .
    INSTALLATION ................................................ 122    .         Wiring Diagram -- ILL -- ..................................... 162     .
TRAILER TOW ...................................................... 123   .         Removal and Installation ..................................... 171     .
                                                                                                                                                                   L
 Component Parts and Harness Connector Location 123                      .           ILLUMINATION CONTROL SWITCH ............... 171                      .
 System Description ............................................. 123    .           INSTALLATION ................................................ 171    .
    TRAILER TAIL LAMP OPERATION ................. 124                    .       BULB SPECIFICATIONS ....................................... 172          .
    TRAILER BRAKE, TURN SIGNAL AND HAZARD                                          Headlamp ............................................................ 172
                                                                                                                                                          .       M
    LAMP OPERATION ......................................... 124         .         Exterior Lamp ...................................................... 172
                                                                                                                                                          .
    TRAILER BRAKE OPERATION ....................... 125                  .         Interior Lamp/Illumination .................................... 172    .




Revision: October 2006                                                      LT-3                                                                2006 Titan
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00011

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           EKS00A8S


The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
G    To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
     in the event of a collision which would result in air bag inflation, all maintenance must be per-
     formed by an authorized NISSAN/INFINITI dealer.
G    Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
     sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
     Bag Module, see the SRS section.
G    Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
     Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
     harness connectors.
General precautions for service operations                                                                    EKS00A8T


G   Never work with wet hands.
G   Turn the lighting switch OFF before disconnecting and connecting the connector.
G   When checking the headlamp on/off operation, check it on vehicle and with the power connected to the
    vehicle-side connector.
G   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.
G   When the bulb has burned out, wrap it in a thick vinyl bag and discard. Do not break the bulb.
G   Leaving the bulb removed from the headlamp housing for a long period of time can deteriorate the perfor-
    mance of the lens and reflector (dirt, clouding). Always prepare a new bulb and have it on hand when
    replacing the bulb.
G   Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.




Revision: October 2006                                LT-4                                               2006 Titan
                                      HEADLAMP (FOR USA)

HEADLAMP (FOR USA)                                                                                  PFP:26010
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Component Parts and Harness Connector Location                                                           EKS00A8V




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                                                                                                   WKIA3579E



System Description                                                                                       EKS00A8W


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
requesting the headlamps (and tail lamps) illuminate. This input is communicated to the IPDM E/R (intelligent
power distribution module engine room) across the CAN communication lines. The CPU (central processing
unit) of the IPDM E/R controls the headlamp high and headlamp low relay coils. When energized, these relays
direct power to the respective headlamps, which then illuminate.
OUTLINE
Power is supplied at all times
G  to ignition relay, located in the IPDM E/R, and


Revision: October 2006                               LT-5                                         2006 Titan
                                         HEADLAMP (FOR USA)

G   to headlamp high relay, located in the IPDM E/R, and
G   to headlamp low relay, located in the IPDM E/R, and
G   through 20A fuse (No. 53, located in the IPDM E/R)
G   to CPU of the IPDM E/R, and
G   through 50A fusible link (letter f , located in the fuse and fusible link box)
G   to BCM terminal 70.
With the ignition switch in the ON or START position, power is supplied
G   to ignition relay, located in the IPDM E/R, and
G   through 10A fuse (No. 59, located in the fuse and relay box)
G   to BCM terminal 38.
Ground is supplied
G   to BCM terminal 67
G   through grounds M57, M61 and M79, and
G   to IPDM E/R terminals 38 and 59
G   through grounds E9, E15 and E24.
Low Beam Operation
With the lighting switch in 2ND position, the BCM receives input requesting the headlamps to illuminate. This
input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R con-
trols the headlamp low relay coil. When energized, this relay directs power
G    through 15A fuse (No. 41, located in the IPDM E/R)
G    through IPDM E/R terminal 54
G    to front combination lamp RH terminal 1, and
G    through 15A fuse (No. 40, located in the IPDM E/R)
G    through IPDM E/R terminal 52
G    to front combination lamp LH terminal 1.
Ground is supplied
G    to front combination lamp LH and RH terminal 4
G    through grounds E9, E15 and E24.
With power and ground supplied, low beam headlamps illuminate.
High Beam Operation/Flash-to-Pass Operation
With the lighting switch in 2ND position and placed in HIGH or PASS position, the BCM receives input request-
ing the headlamp high beams to illuminate. This input is communicated to the IPDM E/R across the CAN com-
munication lines. The CPU of the combination meter controls the ON/OFF status of the HIGH BEAM indicator.
The CPU of the IPDM E/R controls the headlamp high relay coil. When energized, this relay directs power
G    through 10A fuse (No. 34, located in the IPDM E/R)
G    through IPDM E/R terminal 56
G    to front combination lamp RH terminal 2, and
G    through 10A fuse (No. 35, located in the IPDM E/R)
G    through IPDM E/R terminal 55
G    to front combination lamp LH terminal 2.
Ground is supplied
G    to front combination lamp LH and RH terminal 3
G    through grounds E9, E15 and E24.
With power and ground supplied, the high beam headlamps illuminate.
BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in the 2ND position (ON), and the ignition switch is turned
from ON or ACC to OFF, the battery saver control feature is activated.
Under this condition, the headlamps remain illuminated for 5 minutes, unless the combination switch (lighting
switch) position is changed. If the combination switch (lighting switch) position is changed, then the headlamps
are turned off.

Revision: October 2006                                 LT-6                                          2006 Titan
                                       HEADLAMP (FOR USA)

AUTO LIGHT OPERATION
Refer to LT-48, "System Description" for auto light operation.                                                       A

VEHICLE SECURITY SYSTEM (PANIC ALARM)
The vehicle security system (panic alarm) will flash the high beams if the system is triggered. Refer to BL-59,      B
"Panic Alarm Operation" .
CAN Communication System Description                                                                     EKS00A8X


Refer to LAN-25, "CAN COMMUNICATION" .                                                                               C



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Revision: October 2006                              LT-7                                            2006 Titan
                         HEADLAMP (FOR USA)

Schematic                                           EKS00A8Y




                                              WKWA3752E




Revision: October 2006          LT-8          2006 Titan
                         HEADLAMP (FOR USA)

Wiring Diagram -- H/LAMP --                         EKS00A8Z

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                                              WKWA3753E




Revision: October 2006          LT-9          2006 Titan
                         HEADLAMP (FOR USA)




                                              WKWA3754E




Revision: October 2006         LT-10          2006 Titan
                         HEADLAMP (FOR USA)


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                                              WKWA1475E




Revision: October 2006         LT-11          2006 Titan
                         HEADLAMP (FOR USA)




                                              WKWA3755E




Revision: October 2006         LT-12          2006 Titan
                                            HEADLAMP (FOR USA)

Terminals and Reference Values for BCM                                                                      EKS00A90

                                                                                                                        A
                                                             Measuring condition
 Terminal   Wire                                                                          Reference value
                              Signal name         Ignition
   No.      color                                                Operation or condition      (Approx.)
                                                   switch                                                               B



                                                                                                                        C
                                                              Lighting, turn, wiper OFF
    2       SB      Combination switch input 5      ON
                                                              Wiper dial position 4

                                                                                                                        D
                                                                                                        SKIA5291E




                                                                                                                        E
                                                              Lighting, turn, wiper OFF
    3       G/Y     Combination switch input 4      ON
                                                              Wiper dial position 4
                                                                                                                        F
                                                                                                        SKIA5292E



                                                                                                                       G

                                                              Lighting, turn, wiper OFF
    4        Y      Combination switch input 3      ON
                                                              Wiper dial position 4
                                                                                                                        H

                                                                                                        SKIA5291E


    5       G/B     Combination switch input 2                                                                          I


                                                              Lighting, turn, wiper OFF
                                                    ON                                                                  J
    6        V      Combination switch input 1                Wiper dial position 4


                                                                                                        SKIA5292E
                                                                                                                       LT



                                                              Lighting, turn, wiper OFF                                 L
   32       R/G     Combination switch output 5     ON
                                                              Wiper dial position 4


                                                                                                        SKIA5291E
                                                                                                                       M




                                                              Lighting, turn, wiper OFF
   33       R/Y     Combination switch output 4     ON
                                                              Wiper dial position 4


                                                                                                        SKIA5292E




                                                              Lighting, turn, wiper OFF
   34        L      Combination switch output 3     ON
                                                              Wiper dial position 4


                                                                                                        SKIA5291E




Revision: October 2006                              LT-13                                             2006 Titan
                                              HEADLAMP (FOR USA)

                                                                      Measuring condition
 Terminal   Wire                                                                                        Reference value
                               Signal name                Ignition
   No.      color                                                         Operation or condition           (Approx.)
                                                           switch
     35     O/B     Combination switch output 2


                                                                       Lighting, turn, wiper OFF
                                                            ON
     36     R/W     Combination switch output 1                        Wiper dial position 4


                                                                                                                          SKIA5292E


     38     W/L     Ignition switch (ON)                    ON                      --                  Battery voltage
     39       L     CAN-H                                   --                      --                        --
     40      P      CAN-L                                   --                      --                        --
     67      B      Ground                                  ON                      --                        0V
     70     W/B     Battery power supply (fusible link)    OFF                      --                  Battery voltage

Terminals and Reference Values for IPDM E/R                                                                                   EKS00A91


                                                                        Measuring condition
 Terminal   Wire                                                                                         Reference value
                                Signal name                Ignition
   No.      color                                                           Operation or condition          (Approx.)
                                                            switch
     38       B     Ground                                   ON                          --                     0V
     39       L     CAN-H                                    --                          --                     --
     40       P     CAN-L                                    --                          --                     --

                                                                        Lighting switch        OFF              0V
     52       L     Headlamp low (LH)                        ON
                                                                        2ND position               ON     Battery voltage

                                                                        Lighting switch        OFF              0V
     54      R/Y    Headlamp low (RH)                        ON
                                                                        2ND position               ON     Battery voltage
                                                                        Lighting switch        OFF              0V
     55       G     Headlamp high (LH)                       ON         HIGH or PASS
                                                                        position                   ON     Battery voltage

                                                                        Lighting switch        OFF              0V
     56      L/W    Headlamp high (RH)                       ON         HIGH or PASS
                                                                        position                   ON     Battery voltage

     59       B     Ground                                   ON                          --                     0V

How to Proceed With Trouble Diagnosis                                                                                         EKS00A92


1.   Confirm the symptom or customer complaint.
2.   Understand operation description and function description. Refer to LT-5, "System Description" .
3.   Perform the Preliminary Check. Refer to LT-15, "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.




Revision: October 2006                                      LT-14                                                    2006 Titan
                                          HEADLAMP (FOR USA)

Preliminary Check                                                                                                  EKS00A93

CHECK POWER SUPPLY AND GROUND CIRCUIT                                                                                          A

1. CHECK FUSES OR FUSIBLE LINK
Check for blown fuses or fusible link.                                                                                         B
                      Unit                                Power source              Fuse and fusible link No.
                                                               Battery                          f
                     BCM                                                                                                       C
                                            Ignition switch ON or START position               59
                                                                                               34
                                                                                               35                              D
                   IPDM E/R                                    Battery                         40
                                                                                               41
                                                                                                                               E
                                                                                               53

Refer to LT-9, "Wiring Diagram -- H/LAMP --" .
OK or NG                                                                                                                       F
 OK      >> GO TO 2.
 NG      >> If fuse or fusible link is blown, be sure to eliminate cause of blown fuse before installing new fuse
            or fusible link. Refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .                                                  G

2. CHECK POWER SUPPLY CIRCUIT
                                                                                                                               H
1.   Disconnect BCM connectors.
2.   Check voltage between BCM harness connector and ground.

           BCM                                  Ignition switch position                                                       I
             (+)
                               (



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