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AUDIO, VISUAL & TELEPHONE SYSTEM

K ELECTRICAL

B
SECTION
AUDIO, VISUAL & TELEPHONE SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 2 . INSTALLATION .................................................. 12 . F
Precautions for Supplemental Restraint System Removal and Installation of Front Door Speaker ... 13
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- REMOVAL .......................................................... 13
.
SIONER" ................................................................. 2
. INSTALLATION .................................................. 13 . G
Wiring Diagrams and Trouble Diagnosis ................. 2 . Removal and Installation of Rear Door Speaker (3
AUDIO ........................................................................ 3
. door models) .......................................................... 13
.
System Description ................................................. 3 . REMOVAL .......................................................... 13
.
H
AUDIO SYSTEM .................................................. 3 . INSTALLATION .................................................. 13 .
Wiring Diagram --AUDIO-- .................................... 4 . Removal and Installation of Rear Door Speaker (5
WITHOUT ESP .................................................... 4 . door models) .......................................................... 13
.
WITH ESP ............................................................ 6
. REMOVAL .......................................................... 13
. I
Terminals and Reference Value for Audio Unit ........ 8 . INSTALLATION .................................................. 13 .
Steering Wheel Audio Control Switch Resistance Removal and Installation of Front Pillar Tweeter ... 14
Check ...................................................................... 9
. REMOVAL .......................................................... 14
. J
Trouble Diagnosis ................................................... 9 . INSTALLATION .................................................. 14 .
PROBLEM WITH RADIO AND CD ...................... 9 . AUDIO ANTENNA ................................................... 15 .
FOR RADIO ONLY ............................................. 10 . Location of Antenna ............................................... 15
.
AV
FOR CD ONLY ................................................... 10 . Removal and Installation of Roof Antenna ............ 16 .
Noise Inspection .................................................... 10. REMOVAL .......................................................... 16
.
TYPE OF NOISE AND POSSIBLE CAUSE ....... 10 . INSTALLATION .................................................. 16 .
Power Supply Circuit Inspection ............................11 . NAVIGATION SYSTEM ............................................ 17 . L
Steering Wheel Audio Control Switch Does Not Schematic .............................................................. 17
.
Operate ..................................................................11
. Wiring Diagram --NAVI-- ..................................... 18 .
Removal and Installation of Audio Unit ................. 12 . WITHOUT ESP .................................................. 18 . M
REMOVAL .......................................................... 12 . WITH ESP .......................................................... 21
.

AV-1
PRECAUTIONS

PRECAUTIONS PFP:00011

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS00778

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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
q 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.
q 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.
q 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.
Wiring Diagrams and Trouble Diagnosis EKS00779

When you read wiring diagrams, refer to the following:
q GI-14, "How to Read Wiring Diagrams" in GI section
q PG-4, "POWER SUPPLY ROUTING" for power distribution circuit in PG section
When you perform trouble diagnosis, refer to the following:
q GI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section
q GI-24, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section

AV-2
AUDIO

AUDIO PFP:28111
A
System Description EKS0077A

AUDIO SYSTEM
Refer to Owner's Manual for audio system operating instructions. B
Power is supplied at all times
q through 15A fuse (No. 24, located in the fuse and fusible link box)
q to audio unit terminal 34, C
With the ignition switch in the ACC or ON position, power is supplied
q through 10A fuse [No. 12, located in the fuse block (J/B)]
q to audio unit terminal 37, D
Ground is supplied through the case of the audio unit.
Ground is also supplied
E
q through body ground M60,
q to audio unit terminal 38.
Audio signals are supplied F
q through audio unit terminals 21, 22, 23, 24, 25, 26, 27, 28
q to terminals 1 and 2 of front door speaker LH and RH
q to terminals 1 and 2 of rear door speaker LH and RH G
q to terminals 1 and 2 of tweeter LH and RH.
When one of steering wheel audio control switches is pushed to volume down or seek down, resistance in
steering switch circuit changes depending on which button is pushed. This will change voltage. Power is sup- H
plied
q from audio unit terminal 11
q through combination switch (spiral cable) terminals 33 and 15 I
q to steering wheel audio control switch.
Ground is supplied
J
q from steering wheel audio control switch
q through combination switch (spiral cable) terminals 16 and 32
q from audio unit terminal 12.
AV
When one of steering wheel audio control switches is pushed to volume up, seek up, or mode ON, resistance
in steering switch circuit changes depending on which button is pushed. This will change voltage. Power is
supplied
L
q from audio unit terminal 10
q through combination switch (spiral cable) terminals 34 and 14
q to steering wheel audio control switch. M
Ground is supplied
q from steering wheel audio control switch
q through combination switch (spiral cable) terminals 16 and 32
q from audio unit terminal 12.

AV-3
AUDIO

Wiring Diagram --AUDIO-- EKS0077C

WITHOUT ESP

MKWA1818E

AV-4
AUDIO

MKWA0838E

AV-5
AUDIO

WITH ESP

MKWA1819E

AV-6
AUDIO

MKWA1820E

AV-7
AUDIO

Terminals and Reference Value for Audio Unit EKS0077E

Terminal No.
Signal Condition
(wire color)
Item input/ Voltage Example of symptom
output Ignition
(+) (

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