Nissan 350Z Workshop Manual 2003 (12) PDF

DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
A
B
DI
DRIVER INFORMATION SYSTEM
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 3
Precautions for Battery Service ................................ 3
Wiring Diagrams and Trouble Diagnosis .................. 3
COMBINATION METERS ........................................... 4
System Description .................................................. 4
UNIFIED METER CONTROL UNIT ...................... 4
UNIFIED METER AND A/C AMP. ......................... 4
HOW TO CHANGE THE DISPLAY FOR ODO/
TRIP METER ........................................................ 4
POWER SUPPLY AND GROUND CIRCUIT ........ 5
WATER TEMPERATURE GAUGE ........................ 5
TACHOMETER ..................................................... 5
FUEL GAUGE ....................................................... 5
SPEEDOMETER ................................................... 5
Component Parts and Harness Connector Location ..... 6
Combination Meter ................................................... 7
CHECK .................................................................. 7
Circuit Diagram ........................................................ 8
Wiring Diagram ? METER ? .................................. 9
Terminals and Reference Value for Combination
Meter .......................................................................11
Terminals and Reference Value for Unified Meter
and A/C Amp. ......................................................... 12
Meter/Gauges Operation and Odo/Trip Meter ........ 12
SELF-DIAGNOSIS FUNCTION .......................... 12
HOW TO ALTERNATE DIAGNOSIS MODE ....... 12
CONSULT-II Function ............................................ 13
How to Proceed With Trouble Diagnosis ................ 13
Diagnosis Flow ....................................................... 13
Power Supply and Ground Circuit Check ............... 15
Symptom Chart 1 ................................................... 16
Symptom Chart 2 ................................................... 16
Vehicle Speed Signal Inspection ............................ 17
Engine Speed Signal Inspection ............................ 19
Water Temperature Signal Inspection .................... 19
Fuel Level Sensor Signal Inspection 1 ................... 19
FUEL GAUGE ..................................................... 19
Fuel Level Sensor Signal Inspection 2 ................... 20
FUEL WARNING LAMP ......................................20
Fuel Level Sensor Signal Inspection 3 ................... 20
CAN Communication System Inspection ................22
Communication Line Inspection .............................23
A/T Device Output Signal Inspection ......................24
Illumination Control Switch Inspection ....................24
Fuel Gauge Pointer Fluctuates, Indicator Wrong
Value or Varies .......................................................25
Fuel Gauge Does Not Move to Full-position ...........25
Electrical Components Inspection ..........................26
FUEL LEVEL SENSOR UNIT CHECK ................ 26
Removal and Installation for Combination Meter ....26
REMOVAL ...........................................................26
INSTALLATION ...................................................26
Disassembly and Assembly for Combination Meter ...27
TRIPLE METERS ......................................................29
System Description ................................................. 29
TRIPLE METER ..................................................29
POWER SUPPLY AND GROUND CIRCUIT .......29
TRIP COMPUTER ...............................................29
OIL PRESSURE GAUGE ....................................32
VOLTMETER ....................................................... 32
Schematic ...............................................................33
Wiring Diagram ? 3METER ? ..............................34
Terminals and Reference Value for Triple Meter ....38
Terminals and Reference Value for Combination
Meter ......................................................................38
Terminals and Reference Value for Unified Meter
and A/C Amp. .........................................................39
Meter/Gauges Operation and Trip Computer .........40
SELF-DIAGNOSIS FUNCTION ...........................40
HOW TO ALTERNATE DIAGNOSIS MODE .......40
CONSULT-II Function .............................................41
How to Proceed With Trouble Diagnosis ................41
Diagnosis Flow ....................................................... 41
Power Supply and Ground Circuit Check ...............42
Symptom Chart 1 ....................................................44
Symptom Chart 2 ....................................................45
Vehicle Speed Signal Inspection ............................ 45

Summary of Content

DI-1DRIVER INFORMATION SYSTEMK ELECTRICALCONTENTSCDEFGHIJLMSECTION ABDIDRIVER INFORMATION SYSTEMPRECAUTION ............................................................ 3Precautions for Supplemental Restraint System (SRS) AIR BAG and SEAT BELT PRE-TEN-SIONER .................................................................. 3Precautions for Battery Service ................................ 3Wiring Diagrams and Trouble Diagnosis .................. 3COMBINATION METERS ........................................... 4System Description .................................................. 4UNIFIED METER CONTROL UNIT ...................... 4UNIFIED METER AND A/C AMP. ......................... 4HOW TO CHANGE THE DISPLAY FOR ODO/TRIP METER ........................................................ 4POWER SUPPLY AND GROUND CIRCUIT ........ 5WATER TEMPERATURE GAUGE ........................ 5TACHOMETER ..................................................... 5FUEL GAUGE ....................................................... 5SPEEDOMETER ................................................... 5Component Parts and Harness Connector Location ..... 6Combination Meter ................................................... 7CHECK .................................................................. 7Circuit Diagram ........................................................ 8Wiring Diagram METER .................................. 9Terminals and Reference Value for Combination Meter .......................................................................11Terminals and Reference Value for Unified Meter and A/C Amp. ......................................................... 12Meter/Gauges Operation and Odo/Trip Meter ........ 12SELF-DIAGNOSIS FUNCTION .......................... 12HOW TO ALTERNATE DIAGNOSIS MODE ....... 12CONSULT-II Function ............................................ 13How to Proceed With Trouble Diagnosis ................ 13Diagnosis Flow ....................................................... 13Power Supply and Ground Circuit Check ............... 15Symptom Chart 1 ................................................... 16Symptom Chart 2 ................................................... 16Vehicle Speed Signal Inspection ............................ 17Engine Speed Signal Inspection ............................ 19Water Temperature Signal Inspection .................... 19Fuel Level Sensor Signal Inspection 1 ................... 19FUEL GAUGE ..................................................... 19Fuel Level Sensor Signal Inspection 2 ................... 20FUEL WARNING LAMP ......................................20Fuel Level Sensor Signal Inspection 3 ................... 20CAN Communication System Inspection ................22Communication Line Inspection .............................23A/T Device Output Signal Inspection ......................24Illumination Control Switch Inspection ....................24Fuel Gauge Pointer Fluctuates, Indicator Wrong Value or Varies .......................................................25Fuel Gauge Does Not Move to Full-position ...........25Electrical Components Inspection ..........................26FUEL LEVEL SENSOR UNIT CHECK ................ 26Removal and Installation for Combination Meter ....26REMOVAL ...........................................................26INSTALLATION ...................................................26Disassembly and Assembly for Combination Meter ...27TRIPLE METERS ......................................................29System Description ................................................. 29TRIPLE METER ..................................................29POWER SUPPLY AND GROUND CIRCUIT .......29TRIP COMPUTER ...............................................29OIL PRESSURE GAUGE ....................................32VOLTMETER ....................................................... 32Schematic ...............................................................33Wiring Diagram 3METER ..............................34Terminals and Reference Value for Triple Meter ....38Terminals and Reference Value for Combination Meter ......................................................................38Terminals and Reference Value for Unified Meter and A/C Amp. .........................................................39Meter/Gauges Operation and Trip Computer .........40SELF-DIAGNOSIS FUNCTION ...........................40HOW TO ALTERNATE DIAGNOSIS MODE .......40CONSULT-II Function .............................................41How to Proceed With Trouble Diagnosis ................41Diagnosis Flow ....................................................... 41Power Supply and Ground Circuit Check ...............42Symptom Chart 1 ....................................................44Symptom Chart 2 ....................................................45Vehicle Speed Signal Inspection ............................ 45