Nissan Maxima Workshop Manual 2004 (12) PDF

DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
A
B
DI
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 3
Wiring Diagrams and Trouble Diagnosis .................. 3
PREPARATION ........................................................... 4
Commercial Service Tool ......................................... 4
COMBINATION METERS ........................................... 5
System Description .................................................. 5
UNIFIED METER CONTROL UNIT ...................... 5
UNIFIED METER AND A/C AMP. ......................... 5
HOW TO CHANGE THE DISPLAY FOR ODO/
TRIP METER ........................................................ 6
POWER SUPPLY AND GROUND CIRCUIT ........ 7
WATER TEMPERATURE GAUGE ........................ 7
TACHOMETER ..................................................... 7
FUEL GAUGE ....................................................... 7
SPEEDOMETER ................................................... 7
Component Parts and Harness Connector Location ..... 8
Combination Meter ................................................... 9
CHECK .................................................................. 9
Circuit Diagram ...................................................... 10
Wiring Diagram ? METER ? .................................11
Terminals and Reference Value for Combination
Meter ...................................................................... 13
Terminals and Reference Value for Unified Meter
and A/C Amp. ......................................................... 14
Meter/Gauge Operation and Odo/Trip Meter ......... 15
SELF-DIAGNOSIS FUNCTION .......................... 15
HOW TO ALTERNATE DIAGNOSIS MODE ....... 15
CONSULT-II Function ............................................ 15
How to Proceed With Trouble Diagnosis ................ 16
Diagnosis Flow ....................................................... 16
Power Supply and Ground Circuit Inspection ........ 17
Symptom Chart 1 ................................................... 19
Symptom Chart 2 ................................................... 19
Vehicle Speed Signal Inspection ............................ 20
Engine Speed Signal Inspection ............................ 22
Water Temperature Signal Inspection .................... 23
Fuel Level Sensor Signal Inspection 1 ................... 24
FUEL GAUGE .....................................................24
Fuel Level Sensor Signal Inspection 2 ................... 25
LOW-FUEL WARNING LAMP .............................25
CAN Communication System Inspection ................26
Fuel Gauge Pointer Fluctuates, Indicates Wrong
Value, or Varies ......................................................30
Fuel Gauge Does Not Move to Full-position ...........30
Electrical Components Inspection ..........................31
FUEL LEVEL SENSOR UNIT CHECK ................31
Removal and Installation of Combination Meter .....31
REMOVAL ...........................................................31
INSTALLATION ...................................................31
UNIFIED METER AND A/C AMP ..............................32
System Description ................................................. 32
INPUT/OUTPUT SIGNALS .................................32
FAIL-SAFE ..........................................................33
CAN Communication System Description ..............33
Schematic ...............................................................34
CONSULT-II Function .............................................35
CONSULT-II BASIC OPERATION .......................35
SELF-DIAGNOSTIC RESULTS ...........................36
DATA MONITOR .................................................36
Removal and Installation of Unified Meter and A/C
Amp. ....................................................................... 40
REMOVAL ...........................................................40
INSTALLATION ...................................................40
COMPASS .................................................................41
System Description ................................................. 41
POWER SUPPLY AND GROUND CIRCUIT .......41
CALIBRATION ..................................................... 41
Wiring Diagram ? COMPAS ? .............................42
Trouble Diagnoses ................................................. 43
COMPASS INSPECTION ....................................43
Zone Variation Change Procedure .........................44
CALIBRATION FUNCTION OF COMPASS ........44
WARNING LAMPS ....................................................45
Schematic ...............................................................45
Wiring Diagram ? WARN ? ..................................46
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) .............................................................51