Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 350Z 2003-2007 Approved Nissan 350Z 2005 di
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DRIVER INFORMATION SYSTEM
K ELECTRICAL
A
DRIVER INFORMATION SYSTEM
SECTION DI B
C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . Value or Varies ...................................................... 23. F
Precautions for Supplemental Restraint System Fuel Gauge Does Not Move to FULL Position ...... 23 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Electrical Components Inspection ......................... 24 .
SIONER" ................................................................. 3
. FUEL LEVEL SENSOR UNIT CHECK ............... 24 . G
Precautions for Battery Service ............................... 3 . Removal and Installation for Combination Meter ... 25
COMBINATION METERS .......................................... 4 . REMOVAL .......................................................... 25 .
System Description ................................................. 4 . INSTALLATION .................................................. 25 .
H
UNIFIED METER CONTROL UNIT ..................... 4 . Disassembly and Assembly for Combination Meter 25 ...
UNIFIED METER AND A/C AMP. ........................ 4 . DISASSEMBLY .................................................. 25 .
POWER SUPPLY AND GROUND CIRCUIT ....... 4 . ASSEMBLY ........................................................ 26 .
ODO/TRIP METER .............................................. 5 . TRIPLE METERS ..................................................... 27 . I
SPEEDOMETER .................................................. 5 . System Description ................................................ 27 .
TACHOMETER .................................................... 5 . TRIPLE METER ................................................. 27 .
WATER TEMPERATURE GAUGE ....................... 5 . POWER SUPPLY AND GROUND CIRCUIT ...... 27 . J
FUEL GAUGE ...................................................... 5 . TRIP COMPUTER .............................................. 27 .
Component Parts and Harness Connector Location 6 ..... OIL PRESSURE GAUGE ................................... 30 .
Arrangement of Combination Meter ........................ 7 . VOLTMETER ...................................................... 30 .
DI
Schematic ............................................................... 8
. Schematic .............................................................. 31
.
Wiring Diagram -- METER -- ................................. 9 . Wiring Diagram -- 3METER -- ............................. 32 .
Terminals and Reference Value for Combination Terminals and Reference Value for Triple Meter ... 36
Meter ......................................................................11
. Terminals and Reference Value for Combination L
Terminals and Reference Value for Unified Meter Meter ..................................................................... 37
.
and A/C Amp. ........................................................ 12 . Terminals and Reference Value for Unified Meter
Self-Diagnosis Mode of Combination Meter .......... 13 . and A/C Amp. ........................................................ 38 . M
SELF-DIAGNOSIS FUNCTION ......................... 13 . Self-Diagnosis Mode of Triple Meter ..................... 39 .
OPERATION PROCEDURE .............................. 13 . SELF-DIAGNOSIS FUNCTION .......................... 39 .
CONSULT-II Function (METER A/C AMP) ............ 13 . OPERATION PROCEDURE ............................... 39 .
Trouble Diagnosis ................................................. 14 . CONSULT-II Function (METER A/C AMP) ............ 39 .
HOW TO PROCEED WITH TROUBLE DIAGNO- Trouble Diagnosis .................................................. 40 .
SIS ..................................................................... 14
. HOW TO PROCEED WITH TROUBLE DIAGNO-
PRELIMINARY CHECK ..................................... 14 . SIS ...................................................................... 40
.
Symptom Chart 1 .................................................. 15 . PRELIMINARY CHECK ...................................... 40 .
Symptom Chart 2 .................................................. 15 . Symptom Chart 1 ................................................... 41 .
Power Supply and Ground Circuit Inspection ....... 16 . Symptom Chart 2 ................................................... 41 .
Vehicle Speed Signal Inspection ........................... 17 . Power Supply and Ground Circuit Inspection ........ 42 .
Engine Speed Signal Inspection ........................... 18 . Vehicle Speed Signal Inspection ........................... 44 .
Engine Coolant Temperature Signal Inspection .... 19 . Fuel Consumption Monitor Signal Inspection ........ 44 .
Fuel Level Sensor Signal Inspection ..................... 20 . Oil Pressure Sensor Inspection ............................. 45 .
Illumination Control Switch Inspection .................. 21 . Trip Computer Switch Inspection ........................... 46 .
Fuel Gauge Pointer Fluctuates, Indicator Wrong Removal and Installation of Triple Meters ............. 47 .
Revision: 2005 August DI-1 2005 350Z
REMOVAL .......................................................... 47 . System Description ................................................79 .
INSTALLATION ................................................... 47 . POWER SUPPLY AND GROUND CIRCUIT ......79 .
Disassembly and Assembly for Triple Meters ........ 47 . IGNITION KEY WARNING CHIME .....................79 .
DISASSEMBLY .................................................. 47 . LIGHT WARNING CHIME ..................................79 .
ASSEMBLY ........................................................ 48 . SEAT BELT WARNING CHIME ..........................80 .
UNIFIED METER AND A/C AMP ............................. 49 . Component Parts and Harness Connector Location ...80
System Description ................................................ 49 . CAN Communication System Description .............81 .
INPUT/OUTPUT SIGNALS ................................ 49 . CAN Communication Unit ......................................81 .
FAIL-SAFE .......................................................... 50
. Schematic ..............................................................82 .
CAN Communication System Description ............. 51 . Wiring Diagram -- CHIME -- ................................83 .
CAN Communication Unit ...................................... 51 . Terminals and Reference Value for BCM ...............86 .
Schematic .............................................................. 52
. Terminals and Reference Value for Unified Meter
CONSULT-II Function (METER A/C AMP) ............ 53 . and A/C Amp. .........................................................87 .
CONSULT-II BASIC OPERATION ...................... 53 . Terminals and Reference Value for Combination
SELF-DIAGNOSTIC RESULTS .......................... 54 . Meter ......................................................................88
.
DATA MONITOR ................................................. 55 . Trouble Diagnosis ..................................................88 .
DTC [U1000] CAN Communication Circuit ............ 56 . HOW TO PROCEED WITH TROUBLE DIAGNO-
DTC [B2201] Triple Meter Communication Circuit... 57 SIS ......................................................................88
.
DTC [B2202] Meter Communication Circuit ........... 59 . PRELIMINARY CHECK ......................................89 .
DTC [B2205] Vehicle Speed Circuit ....................... 61 . CONSULT-II Function (METER A/C AMP) ............89 .
Removal and Installation of Unified Meter and A/C CONSULT-II Function (BCM) .................................89 .
Amp. ...................................................................... 62
. DIAGNOSTIC ITEMS DESCRIPTION ................90 .
REMOVAL .......................................................... 62 . CONSULT-II BASIC OPERATION PROCEDURE
INSTALLATION ................................................... 62 . ...90
WARNING LAMPS ................................................... 63 . DATA MONITOR .................................................91 .
Schematic .............................................................. 63
. ACTIVE TEST .....................................................91 .
Wiring Diagram -- WARN -- ................................. 64 . SELF-DIAGNOSTIC RESULTS ..........................91 .
CONSULT-II Function (METER A/C AMP) ............ 72 . All Warnings Are Not Operated ..............................92 .
Oil Pressure Warning Lamp Stays Off (Ignition Key Warning Chime and Light Warning Chime Does
Switch ON) or Stays On (Oil Pressure Is Normal)... 72 Not Operate (Seat Belt Warning Chime Does Oper-
A/T INDICATOR ....................................................... 75 . ate) .........................................................................93
.
Wiring Diagram -- AT/IND -- ................................ 75 . Key Warning Chime Does Not Operate .................94 .
CONSULT-II Function (METER A/C AMP) ............ 77 . Light Warning Chime Does Not Operate ................96 .
A/T Indicator Is Malfunction ................................... 77 . Seat Belt Warning Chime Does Not Operate .........97 .
WARNING CHIME .................................................... 79 .
Revision: 2005 August DI-2 2005 350Z
PRECAUTIONS
PRECAUTIONS PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS00C5Y
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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 C
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: D
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. E
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. F
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.
G
Precautions for Battery Service AKS00AVA
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the H
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
I
J
DI
L
M
Revision: 2005 August DI-3 2005 350Z
COMBINATION METERS
COMBINATION METERS PFP:24814
System Description AKS0093R
UNIFIED METER CONTROL UNIT
q Speedometer, odo/trip meter, tachometer, fuel gauge and water temperature gauge are controlled by the
unified meter control unit, which is built into the combination meter. Unified meter control unit receives sig-
nals from unified meter and A/C amp.
q Warning lamp and indicator lamp of combination meter are controlled by signals drawn from the unified
meter and A/C amp.
q For trip meter, adopted twin trip meter which can integrate two modes.*
*The record of the odo meter is kept even if the battery cable is disconnected. The record of the trip meter
is erased when the battery cable is disconnected.
q Odo/trip meter and A/T indicator segments can be checked in diagnosis mode.
q Meters/gauges can be checked in diagnosis mode.
Illumination Control
The unified meter control unit outputs the combination meter and tri-
ple meter dial lighting when the ignition switch is turned on. When
the lighting switch is turned on, light on for the trip computer switch,
illumination control switch and external lighting are output. In addi-
tion, when the lighting switch is turned on, the illumination control
switch on the left side of the combination meter can be used to
adjust the brightness of each light. Pressing the illumination control
switch will brighten or darken the lights. When the ignition switch is in
the START position, the combination meter and triple meter dial
lighting and the trip computer switch and illumination control switch
lighting are turned off.
SKIA7096E
UNIFIED METER AND A/C AMP.
Refer to DI-49, "System Description" in "UNIFIED METER AND A/C AMP".
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
q through 10A fuse [No. 19, located in the fuse block (J/B)]
q to combination meter terminal 24, and
q to unified meter and A/C amp. terminal 21.
With the ignition switch in the ON or START position, power is supplied
q through 10A fuse [No. 14, located in the fuse block (J/B)]
q to combination meter terminal 23,
q through 10A fuse [No. 12, located in the fuse block (J/B)]
q to unified meter and A/C amp. terminal 22.
With the ignition switch in the ACC or ON position, power is supplied
q through 10A fuse [No. 6, located in the fuse block (J/B)]
q to combination meter terminal 14,
q through 15A fuse [No. 10, located in the fuse block (J/B)], and
q through 15A fuse [No. 11, located in the fuse block (J/B)]
q to unified meter and A/C amp. terminal 46.
Ground is supplied
q to combination meter terminals 10, 11 and 12
q through body grounds M30 and M66,
q to unified meter and A/C amp. terminals 29 and 30
q through grounds M30 and M66.
Revision: 2005 August DI-4 2005 350Z
COMBINATION METERS
ODO/TRIP METER
The vehicle speed signal and the memory signals from the meter memory circuit are processed by the combi- A
nation meter and the mileage is displayed.
How to Change The Display
B
Depressing the odo/trip meter switch toggles the mode in the following order.
C
D
E
F
G
H
SEL175W
q The odo/trip meter display mode toggling and trip display resetting can be identified by the amount of time
that elapses from pressing the odo/trip meter switch to releasing it.
q When resetting with trip A displayed, only trip A display is reset (The same way for trip B). I
SPEEDOMETER
VDC/TCS/ABS control unit [with VDC system] or ABS actuator and electric unit (control unit) [without VDC J
system] provides a vehicle speed signal to the unified meter and A/C amp. with CAN communication line. After
unified meter and A/C amp. received the vehicle speed signal, it changes the signal to 8 pulse signal to the
combination meter for speedometer.
DI
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm).
ECM provides an engine speed signal to unified meter and A/C amp. CAN communication line. Unified meter L
and A/C amp. provides an engine speed signal to combination meter for tachometer with communication line
between unified meter and A/C amp. and combination meter.
WATER TEMPERATURE GAUGE M
The water temperature gauge indicates the engine coolant temperature.
ECM provides an engine coolant temperature signal to unified meter and A/C amp. with CAN communication
line. Unified meter and A/C amp. provides an engine coolant temperature signal to combination meter for
water temperature gauge with communication line between unified meter and A/C amp. and combination
meter.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by a variable ground signal supplied
q from unified meter and A/C amp. terminal 36
q through terminals 5 and 2 of the fuel level sensor unit and fuel pump (main), and
q through terminals 2 and 1 of the fuel level sensor unit (sub)
q to unified meter and A/C amp. terminal 28 for the fuel gauge.
Unified meter and A/C amp. provides a fuel level signal to combination meter for fuel gauge with communica-
tion line between unified meter and A/C amp. and combination meter.
Revision: 2005 August DI-5 2005 350Z
COMBINATION METERS
Component Parts and Harness Connector Location AKS0093S
SKIA8499E
Revision: 2005 August DI-6 2005 350Z
COMBINATION METERS
Arrangement of Combination Meter AKS0093T
A
NOTE:
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