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AV


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K ELECTRICAL

                                                                                                                                                                   A




   AUDIO, VISUAL, NAVIGATION & TELEPHONE SYS-
                                                                                                      SECTION                    AV                                B



                                                                                                                                                                   C

                                         TEM
                                                                                                                                                                   D



                                                                                                                                                                   E
                                                                   CONTENTS
PRECAUTIONS ......................................................... 2   .         Noise Inspection .................................................... 28
                                                                                                                                                          .        F
 Precautions for Supplemental Restraint System                                        TYPE OF NOISE AND POSSIBLE CAUSE ....... 28                         .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            Power Supply Circuit Inspection ............................ 28       .
 SIONER" ................................................................. 2
                                                                          .         Satellite Radio Tuner (Factory Installed) Power and                            G
PREPARATION .......................................................... 3  .         Ground Supply Circuit Inspection .......................... 29        .
 Commercial Service Tool ........................................ 3       .         Satellite Radio Tuner (Factory Installed) Commu-
AUDIO ........................................................................ 4
                                                                          .         nication Circuit Inspection ...................................... 31 .
                                                                                                                                                                   H
 Component Parts and Harness Connector Location 4                         .....     Satellite Radio Tuner (Factory Installed) Left Chan-
 System Description ................................................. 5   .         nel Audio Signal Circuit Inspection ........................ 33       .
   BASE SYSTEM .................................................... 5     .         Satellite Radio Tuner (Factory Installed) Right
   PREMIUM SYSTEM ............................................ 5          .         Channel Audio Signal Circuit Inspection ............... 34            .         I
 Schematic ............................................................... 7
                                                                          .         Steering Switch Check (Premium System) ............ 34                .
   PREMIUM SYSTEM ............................................ 7          .         Sound Is Not Heard From Front Door Speaker or
 Wiring Diagram -- AUDIO -- .................................. 8          .         Front Tweeter (Base System) ................................ 37       .         J
   BASE SYSTEM .................................................... 8     .         Sound Is Not Heard From Rear Door Speaker (Base
   PREMIUM SYSTEM .......................................... 10           .         System) ................................................................. 39
                                                                                                                                                          .
 Terminals and Reference Value for Audio Unit (Base                                 Sound Is Not Heard From Front Door Speaker or
                                                                                                                                                                   AV
 System) ................................................................. 18
                                                                          .         Front Tweeter (Premium System) .......................... 41          .
 Terminals and Reference Value for Audio Unit (Pre-                                 Sound Is Not Heard From Rear Door Speaker or
 mium System) ....................................................... 19  .         Rear Door Tweeter (Premium System) ................. 44               .
 Terminals and Reference Value for Audio Amplifier                                  Sound Is Not Heard From Subwoofer (Premium                                      L
 (Premium System) ................................................ 21     .         System) ................................................................. 48
                                                                                                                                                          .
 Terminals and Reference Value for Satellite Radio                                  Removal and Installation ....................................... 49   .
 Tuner ..................................................................... 23
                                                                          .           AUDIO AMPLIFIER ............................................ 49     .        M
 Audio Unit Self-Diagnosis Function (Premium Sys-                                     AUDIO UNIT ....................................................... 49
                                                                                                                                                          .
 tem) ....................................................................... 25
                                                                          .           FRONT DOOR SPEAKER ................................. 49             .
   STARTING THE SELF-DIAGNOSIS MODE ...... 25                             .           FRONT TWEETER ............................................ 50       .
   EXITING THE SELF-DIAGNOSIS MODE .......... 25                          .           REAR DOOR SPEAKER .................................... 50           .
   DIAGNOSIS FUNCTION .................................... 25             .           REAR DOOR TWEETER (PREMIUM SYSTEM) 50                               ...
 Trouble Diagnosis ................................................. 26   .           SATELLITE RADIO ANTENNA .......................... 51               .
   MALFUNCTION WITH RADIO AND CD (BASE                                                SATELLITE RADIO TUNER ............................... 51            .
   SYSTEM) ........................................................... 26 .           STEERING WHEEL SWITCHES ....................... 51                  .
   MALFUNCTION WITH RADIO AND CD (PRE-                                                SUBWOOFER (PREMIUM SYSTEM) ................ 52                      .
   MIUM SYSTEM) ................................................. 26      .        AUDIO ANTENNA ................................................... 53   .
   FOR RADIO ONLY ............................................. 27        .         Location of Audio Antenna System Components ... 53
   FOR CD ONLY ................................................... 27     .         Removal and Installation ....................................... 53   .
   FOR SATELLITE RADIO TUNER (FACTORY                                                 AUDIO ANTENNA .............................................. 53     .
   INSTALLED) ONLY ............................................ 27        .




Revision: September 2006                                                     AV-1                                                               2007 Xterra
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           EKS00DKD


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.




Revision: September 2006                              AV-2                                              2007 Xterra
                           PREPARATION

PREPARATION                                                                   PFP:00002
                                                                                            A
Commercial Service Tool                                                          EKS00DKF


  Tool name                                      Description
  Power tool                                     Loosening bolts and nuts                   B



                                                                                            C


                                     PBIC0191E
                                                                                            D



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                                                                                            AV



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Revision: September 2006      AV-3                                          2007 Xterra
                                                      AUDIO

AUDIO                                                                                                                   PFP:28111

Component Parts and Harness Connector Location                                                                              EKS00HO7




                                                                                                                      WKIA5850E


1.    Front tweeter                  2.   Combination meter                           3.    Audio unit
      LH M109                             M24                                               M42, M43, M44, M45
      RH M111
4.    AUX in jack (premium system)   5.   Satellite radio tuner (factory installed) or 6.   Steering wheel audio control switches
      M85                                 Satellite radio tuner (pre-wiring) M41
7.    Front door speaker             8.   Rear door tweeter (premium system)          9.    Rear door speaker
      LH D12                              LH D208                                           LH D207
      RH D112                             RH D308                                           RH D307
10. Passenger seat                   11. Audio amplifier (premium system)             12. Driver seat
                                         B158, B159
      Subwoofer (premium system)
13.
      B72


Revision: September 2006                                AV-4                                                        2007 Xterra
                                                    AUDIO

System Description                                                                                    EKS00DKH

BASE SYSTEM                                                                                                      A
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
G   through 20A fuse (No. 29, located in the fuse and fusible link box)                                          B
G   to audio unit terminal 6.
With the ignition switch in the ACC or ON position, power is supplied
                                                                                                                 C
G   through 10A fuse [No. 4, located in the fuse block (J/B)]
G   to audio unit terminal 10.
Ground is supplied through the case of the audio unit.                                                           D
Then audio signals are supplied
G   through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
G   to terminals + and - of front door speaker LH and RH                                                         E
G   to terminals + and - of front tweeter LH and RH
G   to terminals + and - of rear door speaker LH and RH.
PREMIUM SYSTEM                                                                                                   F
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
G   through 15A fuse [No. 17, located in the fuse block (J/B)]                                                  G
G   to audio amplifier terminals 1 and 17
G   through 20A fuse (No. 29, located in the fuse and fusible link box)
                                                                                                                H
G   to audio unit terminal 6.
With the ignition switch in the ACC or ON position, power is supplied
G   through 10A fuse [No. 4, located in the fuse block (J/B)]                                                   I
G   to audio unit terminal 10.
Ground is supplied through the case of the audio unit.
Ground is also supplied                                                                                         J
G   to audio amplifier terminals 4 and 20
G   through body grounds B117 and B132.
Then audio signals are supplied                                                                                AV
G   through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
G   to audio amplifier terminals 5, 6, 7, 8, 21, 22, 23 and 24.
                                                                                                                L
Audio signals are amplified by the audio amplifier.
The amplified audio signals are supplied
G   through audio amplifier terminals 2, 3, 11, 12, 13, 14, 15, 16, 18, 19, 27, 28, 29, 30, 31 and 32
                                                                                                                M
G   to terminals + and - of front door speaker LH and RH
G   to terminals + and - of front tweeter LH and RH
G   to terminals + and - of rear door speaker LH and RH
G   to terminals + and - of rear door tweeter LH and RH
G   to terminals 1, 2, 3 and 4 of subwoofer.
When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes
depending on which button is pushed.
Satellite Radio Tuner (Pre-wiring)
The satellite radio tuner pre-wiring allows connection of a satellite radio tuner.
Power is supplied at all times
G   through 15A fuse [No. 17, located in the fuse block (J/B)]
G   to satellite radio tuner pre-wiring terminal 32.
With the ignition switch in the ACC or ON position, power is supplied
G   through 10A fuse [No. 4, located in the fuse block (J/B)]
G   to satellite radio tuner pre-wiring terminal 36.
Revision: September 2006                              AV-5                                       2007 Xterra
                                                  AUDIO

Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
G  through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
G  to audio unit terminals 41, 42, 43 and 44.
Speed Sensitive Volume System
Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control
level can be selected by the customer. Refer to Owner's Manual for operating instructions.
AUX In Jack
The AUX in jack allows input of audio signals to the audio unit from an auxiliary audio device. Audio signals
are supplied
G   from AUX in jack terminals 1, 2 and 4
G   to audio unit terminals 74, 75 and 76.




Revision: September 2006                            AV-6                                         2007 Xterra
                           AUDIO

Schematic                                 EKS00DKI

PREMIUM SYSTEM                                       A



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                                    WKWA5399E




Revision: September 2006   AV-7    2007 Xterra
                             AUDIO

Wiring Diagram -- AUDIO --                  EKS00DKJ

BASE SYSTEM




                                      WKWA2577E




Revision: September 2006     AV-8    2007 Xterra
                           AUDIO


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                                    WKWA2578E




Revision: September 2006   AV-9    2007 Xterra
                           AUDIO

PREMIUM SYSTEM




                                    WKWA5400E




Revision: September 2006   AV-10   2007 Xterra
                           AUDIO


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                                    WKWA4299E




Revision: September 2006   AV-11   2007 Xterra
                           AUDIO




                                    WKWA4340E




Revision: September 2006   AV-12   2007 Xterra
                           AUDIO


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                                    WKWA2583E




Revision: September 2006   AV-13   2007 Xterra
                           AUDIO




                                    WKWA2584E




Revision: September 2006   AV-14   2007 Xterra
                           AUDIO


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                                    WKWA5401E




Revision: September 2006   AV-15   2007 Xterra
                           AUDIO




                                    WKWA4301E




Revision: September 2006   AV-16   2007 Xterra
                           AUDIO


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                                    WKWA4302E




Revision: September 2006   AV-17   2007 Xterra
                                                             AUDIO

Terminals and Reference Value for Audio Unit (Base System)                                                                      EKS00DKK


      Terminal
                                      Signal              Condition
     (Wire color)                                                                   Reference value
                           Item       input/                                                                    Example of symptom
                                               Ignition                                (Approx.)
    +           



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