Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 350Z 2003-2007 Approved Nissan 350Z 2007 DI
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DRIVER INFORMATION SYSTEM
K ELECTRICAL
A
DRIVER INFORMATION SYSTEM
SECTION DI B
C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . Fuel Gauge Pointer Fluctuates, Indicator Wrong F
Precautions for Supplemental Restraint System Value or Varies ...................................................... 22
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Fuel Gauge Does Not Move to FULL Position ...... 22 .
SIONER" ................................................................. 3
. Electrical Components Inspection ......................... 23 . G
Precautions for Battery Service ............................... 3 . FUEL LEVEL SENSOR UNIT ............................ 23 .
COMBINATION METERS .......................................... 4 . Removal and Installation for Combination Meter ... 24
System Description ................................................. 4 . REMOVAL .......................................................... 24 .
H
UNIFIED METER CONTROL UNIT ..................... 4 . INSTALLATION .................................................. 24 .
UNIFIED METER AND A/C AMP. ........................ 4 . Disassembly and Assembly for Combination Meter 24 ...
POWER SUPPLY AND GROUND CIRCUIT ....... 4 . DISASSEMBLY .................................................. 24 .
SPEEDOMETER .................................................. 4 . ASSEMBLY ........................................................ 25 . I
TACHOMETER .................................................... 5 . TRIPLE METERS ..................................................... 26 .
WATER TEMPERATURE GAUGE ....................... 5 . System Description ................................................ 26 .
FUEL GAUGE ...................................................... 5 . TRIPLE METER ................................................. 26 . J
ODO/TRIP METER .............................................. 5 . UNIFIED METER AND A/C AMP. ....................... 26 .
ILLUMINATION CONTROL .................................. 6 . POWER SUPPLY AND GROUND CIRCUIT ...... 26 .
SHIFT-UP INDICATOR ........................................ 7 . VOLTMETER ...................................................... 26 .
DI
FAIL-SAFE ........................................................... 7
. OIL PRESSURE GAUGE ................................... 26 .
Component Parts and Harness Connector Location 8 ..... TRIP COMPUTER .............................................. 27 .
Arrangement of Combination Meter ........................ 9 . FAIL-SAFE ......................................................... 29.
Schematic ............................................................. 10
. Schematic .............................................................. 30
. L
Wiring Diagram -- METER -- ................................11 . Wiring Diagram -- 3METER -- ............................. 31 .
Terminals and Reference Value for Combination Terminals and Reference Value for Triple Meter ... 35
Meter ..................................................................... 13
. Terminals and Reference Value for Unified Meter M
Terminals and Reference Value for Unified Meter and A/C Amp. ........................................................ 36.
and A/C Amp. ........................................................ 14. Terminals and Reference Value for Combination
Self-Diagnosis Mode of Combination Meter .......... 15 . Meter ..................................................................... 37
.
SELF-DIAGNOSIS FUNCTION ......................... 15 . Self-Diagnosis Mode of Triple Meter ..................... 38 .
OPERATION PROCEDURE .............................. 15 . SELF-DIAGNOSIS FUNCTION .......................... 38 .
CONSULT-III Function (METER A/C AMP) ........... 15 . OPERATION PROCEDURE ............................... 38 .
Trouble Diagnosis ................................................. 16 . CONSULT-III Function (METER A/C AMP) ........... 38 .
HOW TO PERFORM TROUBLE DIAGNOSIS ... 16 Trouble Diagnosis .................................................. 39 .
PRELIMINARY CHECK ..................................... 16 . HOW TO PERFORM TROUBLE DIAGNOSIS ... 39
Symptom Chart ..................................................... 16 . PRELIMINARY CHECK ...................................... 39 .
Power Supply and Ground Circuit Inspection ....... 17 . Symptom Chart ...................................................... 39 .
Vehicle Speed Signal Inspection ........................... 18 . Vehicle Speed Signal Inspection ........................... 40 .
Engine Speed Signal Inspection ........................... 19 . Fuel Consumption Monitor Signal Inspection ........ 40 .
Engine Coolant Temperature Signal Inspection .... 19 . Oil Pressure Sensor Signal Inspection .................. 40 .
Fuel Level Sensor Signal Inspection ..................... 19 . Trip Computer Switch Inspection ........................... 42 .
Illumination Control Switch Inspection .................. 21 . Removal and Installation of Triple Meters ............. 42 .
Revision: 2006 November DI-1 2007 350Z
REMOVAL .......................................................... 42 . CONSULT-III Function (METER A/C AMP) ...........70 .
INSTALLATION ................................................... 42 . A/T Indicator Is Malfunction ...................................70 .
Disassembly and Assembly for Triple Meters ........ 43 . WARNING CHIME ....................................................71 .
DISASSEMBLY .................................................. 43 . System Description ................................................71 .
ASSEMBLY ........................................................ 43 . IGNITION KEY WARNING CHIME .....................71 .
UNIFIED METER AND A/C AMP ............................. 44 . LIGHT WARNING CHIME ..................................71 .
System Description ................................................ 44 . SEAT BELT WARNING CHIME ..........................72 .
DESCRIPTION ................................................... 44 . Component Parts and Harness Connector Location ...72
COMBINATION METER CONTROL FUNCTION 44 ... Schematic ..............................................................73 .
TRIPLE METER CONTROL FUNCTION ........... 45 . Wiring Diagram -- CHIME -- ................................74 .
A/C AUTO AMP. FUNCTION .............................. 45 . Terminals and Reference Value for BCM ...............77 .
OTHER FUNCTIONS ......................................... 45 . Terminals and Reference Value for Unified Meter
Schematic .............................................................. 46
. and A/C Amp. .........................................................81 .
CONSULT-III Function (METER A/C AMP) ........... 47 . Terminals and Reference Value for Combination
SELF-DIAGNOSTIC RESULTS .......................... 47 . Meter ......................................................................81
.
DATA MONITOR ................................................. 47 . CONSULT-III Function (METER A/C AMP) ...........83 .
Power Supply and Ground Circuit Inspection ........ 49 . CONSULT-III Function (BCM) ................................83 .
DTC [U1000] CAN Communication Circuit ............ 50 . DIAGNOSTIC ITEMS DESCRIPTION ................83 .
DTC [B2201] Triple Meter Communication Circuit... 50 DATA MONITOR .................................................83 .
DTC [B2202] Meter Communication Circuit ........... 52 . ACTIVE TEST .....................................................83 .
DTC [B2205] Vehicle Speed Circuit ....................... 55 . SELF-DIAGNOSTIC RESULTS ..........................83 .
Removal and Installation of Unified Meter and A/C Trouble Diagnosis ..................................................83 .
Amp. ...................................................................... 55
. HOW TO PERFORM TROUBLE DIAGNOSIS ...83
REMOVAL .......................................................... 55 . PRELIMINARY INSPECTION .............................84 .
INSTALLATION ................................................... 55 . Symptom Chart ......................................................84 .
WARNING LAMPS ................................................... 56 . Power Supply and Ground Circuit Inspection ........84 .
System Description ................................................ 56 . Meter Buzzer Circuit Inspection .............................85 .
OIL PRESSURE WARNING LAMP .................... 56 . Driver Side Door Switch Signal Inspection ............86 .
Schematic .............................................................. 57
. Key Switch Signal Inspection .................................87 .
Wiring Diagram -- WARN -- ................................. 58 . Lighting Switch Signal Inspection ..........................88 .
CONSULT-III Function (METER A/C AMP) ........... 66 . Seat Belt Buckle Switch (Driver Side) Signal Inspec-
Oil Pressure Warning Lamp Stays Off (Ignition tion .........................................................................88
.
Switch ON) or Stays On (Oil Pressure Is Normal)... 66 Component Inspection ...........................................90 .
A/T INDICATOR ....................................................... 67 . DRIVER SIDE DOOR SWITCH ..........................90 .
System Description ................................................ 67 . SEAT BELT BUCKLE SWITCH (DRIVER SIDE)...90
MANUAL MODE ................................................. 67 . KEY SWITCH ......................................................90 .
NOT MANUAL MODE ........................................ 67 . CAN COMMUNICATION ..........................................91 .
Wiring Diagram -- AT/IND -- ................................ 68 . System Description ................................................91 .
CAN Communication Unit ....................................
Revision: 2006 November DI-2 2007 350Z
PRECAUTIONS
PRECAUTIONS PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NKS0005P
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 NKS0005Q
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: 2006 November DI-3 2007 350Z
COMBINATION METERS
COMBINATION METERS PFP:24814
System Description NKS0005S
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 a
signals 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 Odo/trip meter and A/T indicator segments can be checked in self-diagnosis mode.
q Meters/gauges can be checked in self-diagnosis mode.
UNIFIED METER AND A/C AMP.
Refer to DI-44, "COMBINATION METER CONTROL FUNCTION" 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.
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.
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.
Ground is supplied
q to combination meter terminals 10, 11 and 12
q through body grounds M30 and M66.
SPEEDOMETER
q VDC/TCS/ABS control unit [with VDC] or ABS actuator and electric unit (control unit) [without VDC] pro-
vides a vehicle speed signal to the unified meter and A/C amp. with CAN communication line.
q Unified meter and A/C amp. converts the vehicle speed signal to the 8-pulse signal, and outputs the vehi-
cle speed signal (8-pulse) to combination meter.
q Combination meter indicates the vehicle speed according to vehicle speed signal (8-pulse).
PKIC4371E
Revision: 2006 November DI-4 2007 350Z
COMBINATION METERS
TACHOMETER
q ECM provides engine speed signal to unified meter and A/C amp. with CAN communication line. A
q Unified meter and A/C amp. transmits engine speed signal to combination meter with communication line.
q Combination meter indicates the engine speed according to engine speed signal.
B
C
D
E
PKIB7631E
WATER TEMPERATURE GAUGE
q ECM provides engine coolant temperature signal to unified meter and A/C amp. with CAN communication F
line.
q Unified meter and A/C amp. transmits engine coolant temperature signal to combination meter with com-
munication line. G
q Combination meter indicates the engine coolant temperature according to engine coolant temperature
signal.
H
I
J
PKIB7632E DI
FUEL GAUGE
q Unified meter and A/C amp. reads a resistor signal from fuel level sensor.
Signal is supplied L
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