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POWER SUPPLY, GROUND & CIRCUIT ELEMENTS


K ELECTRICAL

                                                                                                                                                                  A




   POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
                                                                                                  SECTION                    PG                                   B



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                                                                                                                                                                  E
                                                                  CONTENTS
POWER SUPPLY ROUTING ..................................... 2             .           REAR DOOR HARNESS ................................... 48            .        F
 Schematic ............................................................... 2
                                                                         .         Wiring Diagram Codes (Cell Codes) ..................... 49            .
 Wiring Diagram -- POWER -- ................................ 3           .        ELECTRICAL UNITS LOCATION ........................... 53               .
   BATTERY POWER SUPPLY-- IGNITION SW. IN                                          Electrical Units Location ........................................ 53 .        G
   ANY POSITION .................................................... 3   .           ENGINE COMPARTMENT ................................. 54             .
   ACCESSORY POWER SUPPLY -- IGNITION                                                PASSENGER COMPARTMENT ........................ 55                   .
   SW. IN "ACC" OR "ON" ........................................ 8       .           LUGGAGE COMPARTMENT ............................. 59                .
                                                                                                                                                                  H
   IGNITION POWER SUPPLY -- IGNITION SW.                                          HARNESS CONNECTOR ........................................ 60          .
   IN "ON" AND/OR "START" ................................. 10           .         Description ............................................................. 60
                                                                                                                                                         .
 Fuse ...................................................................... 14
                                                                         .           HARNESS CONNECTOR (TAB-LOCKING
 Fusible Link ........................................................... 14
                                                                         .           TYPE) ................................................................. 60
                                                                                                                                                         .         I
 Circuit Breaker ...................................................... 14
                                                                         .           HARNESS CONNECTOR (SLIDE-LOCKING
GROUND ................................................................. 15
                                                                         .           TYPE) ................................................................. 61
                                                                                                                                                         .
 Ground Distribution ............................................... 15  .           HARNESS CONNECTOR (LEVER LOCKING                                             J
   MAIN HARNESS ................................................ 15      .           TYPE) ................................................................. 62
                                                                                                                                                         .
   ENGINE ROOM HARNESS ............................... 18                .        ELECTRICAL UNITS ............................................... 63    .
   ENGINE HARNESS ........................................... 22         .         Terminal Arrangement ........................................... 63   .
                                                                                                                                                                  PG
   ENGINE CONTROL HARNESS ........................ 23                    .        SMJ (SUPER MULTIPLE JUNCTION) .................... 65                  .
   BODY HARNESS ............................................... 24       .         Terminal Arrangement ........................................... 65   .
   BODY NO. 2 HARNESS .................................... 27            .        STANDARDIZED RELAY ......................................... 68        .
HARNESS ................................................................ 31
                                                                         .         Description ............................................................. 68
                                                                                                                                                         .        L
 Harness Layout ..................................................... 31 .           NORMAL OPEN, NORMAL CLOSED AND
   HOW TO READ HARNESS LAYOUT ................ 31                        .           MIXED TYPE RELAYS ....................................... 68        .
   OUTLINE ............................................................ 32
                                                                         .           TYPE OF STANDARDIZED RELAYS ................ 68                     .        M
   MAIN HARNESS ................................................ 33      .        FUSE BLOCK - JUNCTION BOX (J/B) NO. 1 ........ 70                      .
   ENGINE ROOM HARNESS ............................... 36                .         Terminal Arrangement ........................................... 70   .
   ENGINE HARNESS ........................................... 39         .        FUSE BLOCK - JUNCTION BOX (J/B) NO. 2 ........ 71                      .
   ENGINE CONTROL HARNESS ........................ 40                    .         Terminal Arrangement ........................................... 71   .
   BODY HARNESS AND REAR CONTROL HAR-                                             FUSE, FUSIBLE LINK AND RELAY BLOCK (J/B)... 72
   NESS ................................................................. 42
                                                                         .         Terminal Arrangement ........................................... 72   .
   BODY NO. 2 HARNESS .................................... 44            .        FUSE, FUSIBLE LINK AND RELAY BOX ............... 73                    .
   ROOM LAMP HARNESS ................................... 46              .         Terminal Arrangement ........................................... 73   .
   FRONT DOOR HARNESS ................................. 47               .




Revision: 2005 November                                                     PG-1                                                                 2006 Q45
                          POWER SUPPLY ROUTING

POWER SUPPLY ROUTING                              PFP:00011

Schematic                                              NKS001LJ




                                                 TKWM3841E




Revision: 2005 November           PG-2           2006 Q45
                          POWER SUPPLY ROUTING

Wiring Diagram -- POWER --                                  NKS001LK

BATTERY POWER SUPPLY-- IGNITION SW. IN ANY POSITION                    A


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                          POWER SUPPLY ROUTING


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                          POWER SUPPLY ROUTING

IGNITION POWER SUPPLY -- IGNITION SW. IN "ON" AND/OR "START"




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                          POWER SUPPLY ROUTING


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                          POWER SUPPLY ROUTING


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Revision: 2005 November          PG-13           2006 Q45
                                      POWER SUPPLY ROUTING

Fuse                                                                             NKS001LL


q   If fuse is blown, be sure to eliminate cause of malfunction before
    installing new fuse.
q   Use fuse of specified rating. Never use fuse of more than speci-
    fied rating.
q   Do not partially install fuse; always insert it into fuse holder prop-
    erly.
q   Remove fuse for "ELECTRICAL PARTS (BAT)" if vehicle is not
    used for a long period of time.

                                                                              CEL083


Fusible Link                                                                     NKS001LM


A melted fusible link can be detected either by visual inspection or by
feeling with finger tip. If its condition is questionable, use circuit
tester or test lamp.
CAUTION:
q    If fusible link should melt, it is possible that critical circuit
     (power supply or large current carrying circuit) is shorted.
     In such a case, carefully check and eliminate cause of mal-
     function.
q    Never wrap outside of fusible link with vinyl tape. Important:
     Never let fusible link touch any other wiring harness, vinyl
     or rubber parts.                                                         CKIM0070E



Circuit Breaker                                                                  NKS001LN


The PTC thermistor generates heat in response to current flow. The
temperature (and resistance) of the thermistor element varies with
current flow. Excessive current flow will cause the element's temper-
ature to rise. When the temperature reaches a specified level, the
electrical resistance will rise sharply to control the circuit current.
Reduced current flow will cause the element to cool. Resistance falls
accordingly and normal circuit current flow is allowed to resume.



                                                                              SEL109W




Revision: 2005 November                               PG-14                  2006 Q45
                          GROUND

GROUND                               PFP:00011
                                                    A
Ground Distribution                      NKS001LO

MAIN HARNESS
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                          GROUND




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                          GROUND


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Revision: 2005 November    PG-17   2006 Q45
                          GROUND

ENGINE ROOM HARNESS




                                   CKIM0613E




Revision: 2005 November    PG-18   2006 Q45
                          GROUND


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                          GROUND




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                          GROUND


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                                   CKIM0156E




Revision: 2005 November    PG-21   2006 Q45
                          GROUND

ENGINE HARNESS




                                   CKIM0018E




Revision: 2005 November    PG-22   2006 Q45
                          GROUND

ENGINE CONTROL HARNESS
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Revision: 2005 November    PG-23   2006 Q45
                          GROUND

BODY HARNESS




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                          GROUND


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                          GROUND




                                   CKIM0618E




Revision: 2005 November    PG-26   2006 Q45
                          GROUND

BODY NO. 2 HARNESS
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                          GROUND




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                          GROUND


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Revision: 2005 November    PG-29   2006 Q45
                          GROUND




                                   CKIM0024E




Revision: 2005 November    PG-30   2006 Q45
                                               HARNESS

HARNESS                                                                                     PFP:00011
                                                                                                            A
Harness Layout                                                                                   NKS001LP

HOW TO READ HARNESS LAYOUT
The following Harness Layouts use a map style grid to help locate                                           B
connectors on the figures:
q   Main Harness
q   Engine Room Harness (Engine Compartment)                                                                C
q   Engine Control Harness
q   Body Harness and Rear Control Harness
q   Body No. 2 Harness                                                                                      D


                                                                                             SEL252V
                                                                                                            E
To Use the Grid Reference
1. Find the desired connector number on the connector list.
2. Find the grid reference.                                                                                 F
3. On the figure, find the crossing of the grid reference letter column and number row.
4. Find the connector number in the crossing zone.
                                                                                                            G
5. Follow the line (if used) to the connector.
CONNECTOR SYMBOL
Main symbols of connector (in Harness Layout) are indicated in the below.
                                                                                                            H



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                                                                                          SKIA0404E




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Revision: 2005 November                           PG-31                                   2006 Q45
                          HARNESS

OUTLINE




                                    CKIM0030E




Revision: 2005 November    PG-32    2006 Q45
                          HARNESS

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Revision: 2005 November    PG-33    2006 Q45
                          HARNESS




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Revision: 2005 November    PG-35    2006 Q45
                          HARNESS

ENGINE ROOM HARNESS
Engine Compartment




                                    TKIM0218E




Revision: 2005 November    PG-36    2006 Q45
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Revision: 2005 November    PG-37    2006 Q45
                          HARNESS

Passenger Compartment




                                    TKIM0545E




Revision: 2005 November    PG-38    2006 Q45
                          HARNESS

ENGINE HARNESS
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Revision: 2005 November    PG-39    2006 Q45
                          HARNESS

ENGINE CONTROL HARNESS




                                    TKIM0546E




Revision: 2005 November    PG-40    2006 Q45
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Revision: 2005 November    PG-41    2006 Q45
                             HARNESS

BODY HARNESS AND REAR CONTROL HARNESS




                                        TKIM0548E




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                          HARNESS


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Revision: 2005 November    PG-43    2006 Q45
                          HARNESS

BODY NO. 2 HARNESS




                                    TKIM0550E




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                          HARNESS


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Revision: 2005 November    PG-45    2006 Q45
                          HARNESS

ROOM LAMP HARNESS




                                    TKIM0552E




Revision: 2005 November    PG-46    2006 Q45
                          HARNESS

FRONT DOOR HARNESS
LH Side                                         A


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                                    TKIM0138E




Revision: 2005 November    PG-47    2006 Q45
                          HARNESS

REAR DOOR HARNESS
LH Side




                                    TKIM0139E


RH Side




                                    TKIM0140E




Revision: 2005 November    PG-48    2006 Q45
                                              HARNESS

Wiring Diagram Codes (Cell Codes)                                                                        NKS002RJ

                                                                                                                    A
Use the chart below to find out what each wiring diagram code stands for.
Refer to the wiring diagram code in the alphabetical index to find the location (page number) of each wiring
diagram.
                                                                                                                    B
          Code                Section                                    Wiring Diagram Name
 A/C                           ATC            Air Conditioner
 A/TRNK                         BL            Auto Trunk System                                                     C
 ACTIVE                        SCS            Active Damper Suspension System
 AF1B1                          EC            Air Fuel Ratio Sensor 1 Bank 1
 AF1B2                          EC            Air Fuel Ratio Sensor 1 Bank 2
                                                                                                                    D
 AF1HB1                         EC            Air Fuel Ratio Sensor 1 Heater Bank 1
 AF1HB2                         EC            Air Fuel Ratio Sensor 1 Heater Bank 2                                 E
 APPS1                          EC            Accelerator Pedal Position Sensor
 APPS2                          EC            Accelerator Pedal Position Sensor
 APPS3                          EC            Accelerator Pedal Position Sensor                                     F
 ASC/BS                         EC            Automatic Speed Control Device (ASCD) Brake Switch
 ASC/SW                         EC            Automatic Speed Control Device (ASCD) Steering Switch
                                                                                                                    G
 ASCBOF                         EC            Automatic Speed Control Device (ASCD) Brake Switch
 ASCIND                         EC            Automatic Speed Control Device (ASCD) Indicator
 AT/IND                         DI            A/T Indicator Lamp                                                    H
 AUDIO                          AV            Audio
 AUT/DP                         SE            Automatic Drive Positioner - IVMS
                                                                                                                     I
 BACK/L                         LT            Back-Up Lamp
 BRK/SW                         EC            Brake Switch
 BYPS/V                         EC            Vacuum Cut Valve Bypass Valve                                         J
 C/SEAT                         SE            Climate Controlled Seat
 CAN                            AT            CAN Communication Line
                                                                                                                    PG
 CAN                            EC            CAN Communication Line
 CAN                           LAN            CAN System
 CD/CHG                         AV            CD Auto Changer                                                       L
 CHARGE                         SC            Charging System
 CHIME                          DI            Warning Chime
 CIGAR                         WW             Cigarette Lighter                                                     M
 CLOCK                          DI            Clock
 COMM                           AV            Audio Visual Communication Line
 COMM                           DI            Communication Line
 COMM                          LAN            IVMS - Communication Check, Power Supply & Ground
 COMPAS                         DI            Compass
 COOL/F                         EC            Cooling Fan Control
 D/LOCK                         BL            Power Door Lock - IVMS
 DEF                           GW             Rear Window Defogger
 DTRL                           LT            Headlamp - With Daytime Light System
 ECM/PW                         EC            ECM Power Supply for Back-Up
 ECTS                           EC            Engine Coolant Temperature Sensor
 EPS                           STC            Electronic Controlled Power Steering System
 ETC1                           EC            Electric Throttle Control Function

Revision: 2005 November                          PG-49                                                2006 Q45
                                    HARNESS

          Code            Section                              Wiring Diagram Name
 ETC2                       EC      Electric Throttle Control Motor Relay
 ETC3                       EC      Electric Throttle Control Motor
 F/FOG                      LT      Front Fog Lamp
 F/PUMP                     EC      Fuel Pump
 FPCM                       EC      Fuel Pump Control Module
 FTS                        AT      A/T Fluid Temperature Sensor Circuit
 FTTS                       EC      Fuel Tank Temperature Sensor
 FUELB1                     EC      Fuel Injection System Function (Bank 1)
 FUELB2                     EC      Fuel Injection System Function (Bank 2)
 H/AIM                      LT      Headlamp Aiming Control System
 H/LAMP                     LT      Headlamp
 H/PHON                     AV      Hands Free Telephone
 HORN                      WW       Horn
 HSEAT                      SE      Heated Seat
 I/MIRR                    GW       Inside Mirror (Auto-Anti Dazzling Mirror)
 IATS                       EC      Intake Air Temperature Sensor
 ICC                       ACS      Intelligent Cruise Control System
 ICC/BS                     EC      ICC Brake Switch
 ICC/SW                     EC      ICC Steering Switch
 ICCBOF                     EC      ICC Brake Switch
 IGNSYS                     EC      Ignition System
 ILL                        LT      Illumination
 INF/D                      DI      Vehicle Information and Integrated Switch System
 INJECT                     EC      Injector
 INT/L                      LT      Vanity Mirror and Trunk Room Lamps
 IVCB1                      EC      Intake Valve Timing Control Solenoid Valve Bank 1
 IVCB2                      EC      Intake Valve Timing Control Solenoid Valve Bank 2
 IVCSB1                     EC      Intake Valve Timing Control Position Sensor Bank 1
 IVCSB2                     EC      Intake Valve Timing Control Position Sensor Bank 2
 IVTB1                      EC      Intake Valve Timing Control System (Bank 1)
 IVTB2                      EC      Intake Valve Timing Control System (Bank 2)
 KEYLES                     BL      Remote Keyless Entry System-IVMS
 KS                         EC      Knock Sensor
 LDW                        DI      Lane Departure Warning System
 LOAD                       EC      Electrical Load Signal
 MAFS                       EC      Mass Air Flow Sensor
 MAIN                       AT      Transmission Control Module Power Supply
 MAIN                       EC      Main Power Supply and Ground Circuit
 METER                      DI      Speedometer, Tachometer, Temp., Oil and Fuel Gauges
 MIL/DL                     EC      MIL & Data Link Connector
 MIRR/L                     LT      Door Mirror Lamp
 MIRROR                    GW       Door Mirror
 MMSW                       AT      Manual Mode Switch
 NATS                       BL      Nissan Anti-Theft System


Revision: 2005 November                PG-50                                              2006 Q45
                                    HARNESS

          Code            Section                              Wiring Diagram Name
                                                                                                   A
 NAVI                       AV      Navigation System
 NONDTC                     AT      Non-Detective Items
 O2H2B1                     EC      Heated Oxygen Sensor 2 Heater Bank 1                           B
 O2H2B2                     EC      Heated Oxygen Sensor 2 Heater Bank 2
 O2S2B1                     EC      Heated Oxygen Sensor 2 Bank 1
 O2S2B2                     EC      Heated Oxygen Sensor 2 Bank 2                                  C
 P/SCKT                    WW       Power Socket
 PGC/V                      EC      EVAP Canister Purge Volume Control Solenoid Valve
                                                                                                   D
 PHASE                      EC      Camshaft Position Sensor (PHASE)
 PHONE                      AV      Telephone
 PNP/SW                     AT      Park/Neutral Position Switch                                   E
 PNP/SW                     EC      Park/Neutral Position Switch
 POS                        EC      Crankshaft Position Sensor (CKPS) (POS)
                                                                                                   F
 POWER                     PG       Power Supply Routing
 PRE/SE                     EC      EVAP Control System Pressure Sensor
 PS/SEN                     EC      Power Steering Pressure Sensor                                 G
 PSB                        SB      Pre-Crash Seat Belt
 R/VIEW                     DI      Rear View Camera Control System
                                                                                                   H
 RAS                       STC      Rear Active Steer
 REMOTE                     AV      Audio (Remote Control Switch)
 ROOM/L                     LT      Interior Room Lamp - IVMS                                       I
 RP/SEN                     EC      Refrigerant Pressure Sensor
 SEAT                       SE      Power Seat
 SEN/PW                     EC      Sensor Power Supply
                                                                                                   J

 SHADE                      EI      Rear Sunshade
 SHIFT                      AT      A/T Shift Lock System                                          PG
 SROOF                      RF      Sunroof
 SRS                       SRS      Supplemental Restraint System
 START                      SC      Starting System                                                L
 STEP/L                     LT      Step Lamp - IVMS
 STOP/L                     LT      Stop Lamp
                                                                                                   M
 STSIG                      AT      Start Signal Circuit
 SW/ILL                    GW       Power Window Switch Illumination - IVMS
 T&FLID                     BL      Trunk Lid and Fuel Lid Opener
T/CLOS                      BL      Trunk Closure System
 T/WARN                    WT       Low Tire Pressure Warning System
 TAIL/L                     LT      Parking, License and Tail Lamps
 TPS1                       EC      Throttle Position Sensor (Sensor1)
 TPS2                       EC      Throttle Position Sensor (Sensor2)
 TPS3                       EC      Throttle Position Sensor
 TRNSCV                     BL      Homelink Universal Transceiver
 TURN                       LT      Turn Signal and Hazard Warning Lamp
 VDC                       BRC      Vehicle Dynamics Control System
 VEHSEC                     BL      Vehicle Security System - IVMS


Revision: 2005 November                PG-51                                            2006 Q45
                                    HARNESS

          Code            Section                             Wiring Diagram Name
 VENT/V                     EC      EVAP Canister Vent Control Valve
 VEXH                       EX      Variable Exhaust Muffler Control System
 VIAS                       EC      Variable Induction Air Control System
 VIAS/V                     EC      VIAS Control Solenoid Valve
 VOICE                      DI      Voice Activation System
 VSSA/T                     AT      Vehicle Speed Sensor A/T (Revolution Sensor)
 W/ANT                      AV      Audio Antenna
 WARN                       DI      Warning Lamps
 WINDOW                    GW       Power Window - IVMS
 WIPER                     WW       Front Wiper and Washer




Revision: 2005 November                PG-52                                        2006 Q45
                                  ELECTRICAL UNITS LOCATION

ELECTRICAL UNITS LOCATION                                                                                PFP:25230
                                                                                                                        A
Electrical Units Location                                                                                    NKS001LR


Use parts code, if applicable, and chassis number to find correct parts number in parts catalog. Parts codes
are shown in figure.                                                                                                    B
NOTE:
Parts codes in figure are those in effect at the time of the first service manual edition. Information might not be
maintained in the timely manner. Always confirm correct parts code using appropriate parts catalog.                     C


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Revision: 2005 November                             PG-53                                               2006 Q45
                          ELECTRICAL UNITS LOCATION

ENGINE COMPARTMENT




                                                      CKIM0337E




Revision: 2005 November             PG-54             2006 Q45
                          ELECTRICAL UNITS LOCATION

PASSENGER COMPARTMENT
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                                                      CKIM0623E




Revision: 2005 November             PG-55             2006 Q45
                          ELECTRICAL UNITS LOCATION




                                                      CKIM0624E




Revision: 2005 November             PG-56             2006 Q45
                          ELECTRICAL UNITS LOCATION


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                                                      CKIM0625E




Revision: 2005 November             PG-57             2006 Q45
                          ELECTRICAL UNITS LOCATION




                                                      CKIM0028E




Revision: 2005 November             PG-58             2006 Q45
                          ELECTRICAL UNITS LOCATION

LUGGAGE COMPARTMENT
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                                                      CKIM0626E




Revision: 2005 November             PG-59             2006 Q45
                                      HARNESS CONNECTOR

HARNESS CONNECTOR                                                                                      PFP:00011

Description                                                                                                NKS001LS

HARNESS CONNECTOR (TAB-LOCKING TYPE)
q   The tab-locking type connectors help prevent accidental looseness or disconnection.
q   The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the fig-
    ure below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Never pull the harness or wires when disconnecting the connector.

[Example]




                                                                                                     SEL769DA




Revision: 2005 November                            PG-60                                              2006 Q45
                                    HARNESS CONNECTOR

HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
q  A new style slide-locking type connector is used on certain systems and components, especially those       A
   related to OBD.
q  The slide-locking type connectors help prevent incomplete locking and accidental looseness or discon-
   nection.                                                                                                   B
q  The slide-locking type connectors are disconnected by pushing or pulling the slider. Refer to the figure
   below.
CAUTION:                                                                                                      C
q  Never pull the harness or wires when disconnecting the connector.
q  Be careful not to damage the connector support bracket when disconnecting the connector.
                                                                                                              D
[Example]

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                                                                                                 SEL769V




Revision: 2005 November                          PG-61                                           2006 Q45
                                               HARNESS CONNECTOR

HARNESS CONNECTOR (LEVER LOCKING TYPE)
q  Lever locking type harness connectors are used on certain control units and control modules such as
   ECM, ABS actuator and electric unit (control unit), etc.
q  Lever locking type harness connectors are also used on super multiple junction (SMJ) connectors.
q  Always confirm the lever is fully locked in place by moving the lever as far as it will go to ensure full con-
   nection.
CAUTION:
Always confirm the lever is fully released (loosened) before attempting to disconnect or connect these
connectors to avoid damage to the connector housing or terminals.




                                                                                                      LKIA0670E




    1.   Control unit with single lever   2.   Control unit with dual levers   3.   SMJ connector
         A. Fasten                             A. Levers                            A. Lever
         B. Loosen                             B. Fasten                            B. Fasten
         C. Lever                              C. Loosen                            C. Loosen




Revision: 2005 November                                     PG-62                                      2006 Q45
                          ELECTRICAL UNITS

ELECTRICAL UNITS                              PFP:23710
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Terminal Arrangement                                NKS001LT




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                                             CKIM0341E




Revision: 2005 November        PG-63         2006 Q45
                          ELECTRICAL UNITS




                                             CKIM0628E




Revision: 2005 November        PG-64         2006 Q45
                          SMJ (SUPER MULTIPLE JUNCTION)

SMJ (SUPER MULTIPLE JUNCTION)                              PFP:B4341
                                                                           A
Terminal Arrangement                                            NKS001LU




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                                                          CKIM0061E




Revision: 2005 November               PG-65               2006 Q45
                          SMJ (SUPER MULTIPLE JUNCTION)




                                                          CKIM0062E




Revision: 2005 November               PG-66               2006 Q45
                          SMJ (SUPER MULTIPLE JUNCTION)


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                                                          CKIM0063E




Revision: 2005 November               PG-67               2006 Q45
                                            STANDARDIZED RELAY

STANDARDIZED RELAY                                                                                  PFP:00011

Description                                                                                                  NKS001LV

NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.




                                                                                                   SEL881H



TYPE OF STANDARDIZED RELAYS
       1M 



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