Nissan Pathfinder (2006 year). Manual — part 135

DI-1

DRIVER INFORMATION SYSTEM

K ELECTRICAL

CONTENTS

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SECTION

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2006 Pathfinder

PRECAUTION . . . . . . . . . . . . . . . 3

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 3

COMBINATION METERS . . . . . . . . . . ... 4

Component Parts and Harness Connector Location

. . 4

System Description . . . . . . . . . . . . .. 4

UNIFIED METER CONTROL UNIT . . . . . .. 4
POWER SUPPLY AND GROUND CIRCUIT . . 5
WATER TEMPERATURE GAUGE . . . . . . 5
ENGINE OIL PRESSURE GAUGE . . . . . ... 5
VOLTAGE GAUGE . . . . . . . . . . . . 5
TACHOMETER . . . . . . . . . . . . . . 5
FUEL GAUGE . . . . . . . . . . . . . ... 5
SPEEDOMETER . . . . . . . . . . . . ... 5
CAN COMMUNICATION SYSTEM DESCRIP-
TION . . . . . . . . . . . . . . . . . .. 5

Combination Meter . . . . . . . . . . . . ... 6

CHECK . . . . . . . . . . . . . . . . .. 6

Internal Circuit . . . . . . . . . . . . . . .. 7
Wiring Diagram — METER — . . . . . . . . .. 8
Terminals and Reference Value for Combination
Meter . . . . . . . . . . . . . . . . . .. 10
Meter/Gauge Operation and Odo/Trip Meter . . ..11

SELF-DIAGNOSIS FUNCTION . . . . . . ...11
HOW TO INITIATE COMBINATION METER
SELF-DIAGNOSIS MODE . . . . . . . . ...11
COMBINATION METER SELF-DIAGNOSIS
MODE FUNCTIONS . . . . . . . . . . . 11

CONSULT-II Function (METER) . . . . . . . . 15

CONSULT-II BASIC OPERATION . . . . . ... 15
SELF-DIAGNOSTIC RESULTS . . . . . . .. 16
DATA MONITOR . . . . . . . . . . . . . 16

How to Proceed With Trouble Diagnosis . . . . 19
Diagnosis Flow . . . . . . . . . . . . . ... 19
Power Supply and Ground Circuit Inspection . . 20
Symptom Chart . . . . . . . . . . . . . .. 21
Vehicle Speed Signal Inspection . . . . . . . 21
Engine Oil Pressure Signal Inspection . . . . ... 21
Water Temperature Signal Inspection . . . . . 23

Engine Speed Signal Inspection . . . . . . . . 23
Fuel Level Sensor Unit Inspection . . . . . . .. 23

FUEL LEVEL SENSOR UNIT . . . . . . . . 23
LOW-FUEL WARNING LAMP . . . . . . . . 23

Fuel Gauge Fluctuates, Indicates Wrong Value, or
Varies . . . . . . . . . . . . . . . . . .. 25
Fuel Gauge Does Not Move to Full-position . . ... 25
DTC [U1000] CAN Communication Circuit . . . . 25
DTC [B2205] Vehicle Speed Circuit . . . . . . 26
Electrical Components Inspection . . . . . . .. 26

FUEL LEVEL SENSOR UNIT CHECK . . . . 26

Removal and Installation . . . . . . . . . . 26

COMBINATION METER . . . . . . . . . .. 26

COMPASS AND THERMOMETER . . . . . . ... 27

System Description . . . . . . . . . . . . . 27

OUTSIDE TEMPERATURE DISPLAY . . . . . 27
DIRECTION DISPLAY . . . . . . . . . . . 27

Wiring Diagram — COMPAS — . . . . . . . . 28

WITHOUT HOMELINK® UNIVERSAL TRANS-
CEIVER . . . . . . . . . . . . . . . ... 28
WITH HOMELINK® UNIVERSAL TRANS-
CEIVER . . . . . . . . . . . . . . . ... 29

Trouble Diagnoses . . . . . . . . . . . . . 30

PRELIMINARY CHECK FOR THERMOMETER ... 30
INSPECTION/COMPASS AND THERMOME-
TER . . . . . . . . . . . . . . . . . . 30

Calibration Procedure for Compass . . . . . ... 31

CORRECTION FUNCTIONS OF COMPASS . .. 31
INITIAL CORRECTION PROCEDURE FOR
COMPASS . . . . . . . . . . . . . . ... 32

WARNING LAMPS . . . . . . . . . . . . . 33

Schematic . . . . . . . . . . . . . . . ... 33
Wiring Diagram — WARN — . . . . . . . . .. 34
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) . . . . . . . . . . . . . . . . 41
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) . . . . . . . . . . . . 43

A/T INDICATOR . . . . . . . . . . . . . . 44

Wiring Diagram — AT/IND — . . . . . . . . . 44
A/T Indicator Does Not Illuminate . . . . . . ... 45

DI-2

2006 Pathfinder

WARNING CHIME . . . . . . . . . . . . . . 46

Component Parts and Harness Connector Location ... 46
System Description . . . . . . . . . . . . . 46

FUNCTION . . . . . . . . . . . . . . .. 46
LIGHT WARNING CHIME . . . . . . . . ... 47
IGNITION KEY WARNING CHIME . . . . . .. 47
SEAT BELT WARNING CHIME . . . . . . ... 47

CAN Communication System Description . . . .. 47
Wiring Diagram — CHIME — . . . . . . . . . 48
Terminals and Reference Value for BCM . . . . 50
Terminals and Reference Value for Combination
Meter . . . . . . . . . . . . . . . . . .. 50
How to Proceed With Trouble Diagnosis . . . . 50
Preliminary Check . . . . . . . . . . . . .. 50

INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . . . 50

CONSULT-II Function (BCM) . . . . . . . . .. 51

CONSULT-II BASIC OPERATION PROCEDURE

... 51

DATA MONITOR . . . . . . . . . . . . .. 52
ACTIVE TEST . . . . . . . . . . . . . . 52
SELF-DIAGNOSTIC RESULTS . . . . . . ... 53

All Warning Chimes Do Not Operate . . . . . ..53
Key Warning Chime and Light Warning Chime Do
Not Operate (Seat Belt Warning Chime Does Oper-
ate) . . . . . . . . . . . . . . . . . . ..54
Key Warning Chime Does Not Operate . . . . ..55
Light Warning Chime Does Not Operate . . . . .57
Seat Belt Warning Chime Does Not Operate . . ..58

BOARD COMPUTER . . . . . . . . . . . . 60

System Description . . . . . . . . . . . . .60

FUNCTION . . . . . . . . . . . . . . ..60
DTE (DISTANCE TO EMPTY) INDICATION . . 60
TRIP DISTANCE . . . . . . . . . . . . ..60
TRIP TIME . . . . . . . . . . . . . . ...60
AVERAGE FUEL CONSUMPTION . . . . . ..60
AVERAGE VEHICLE SPEED . . . . . . . ..60
HOW TO CHANGE/RESET INDICATION . . ...60

CAN Communication System Description . . . ..60
Wiring Diagram — B/COMP — . . . . . . . ...61
Trouble Diagnoses . . . . . . . . . . . . ..62

SEGMENT CHECK . . . . . . . . . . . ..62
PRELIMINARY CHECK . . . . . . . . . ...62
DIAGNOSIS PROCEDURE . . . . . . . . .62

PRECAUTION

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2006 Pathfinder

PRECAUTION

PFP:00011

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

EKS00FXT

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. 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
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:

●

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.

●

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.

●

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.

DI-4

COMBINATION METERS

2006 Pathfinder

COMBINATION METERS

PFP:24814

Component Parts and Harness Connector Location

EKS00FXV

System Description

EKS00FXW

UNIFIED METER CONTROL UNIT

●

Speedometer, odometer, tachometer, fuel gauge, oil pressure gauge, voltage gauge, and water tempera-
ture gauge are controlled by the unified meter control unit, which is built into the combination meter.

●

Warning indicators are controlled by signals drawn from the CAN communication system, BCM (body con-
trol module), and components connected directly to the combination meter.

●

Digital meter is adopted for odometer/trip meters*, as well as the A/T position indicator display.
*The record of the odometer is kept even if the battery cable is disconnected.

●

Odometer/trip meters and A/T indicator segments can be checked in diagnosis mode.

●

Meters/gauges can be checked in diagnosis mode.

NOTE:
Under the following conditions, the meters will perform a homing function. The meter pointers will move down
slightly and then move back to the resting position. This is a normal design condition.

●

Approximately 60 seconds after turning the ignition switch from the ON to the OFF position

●

If the battery is disconnected and then reconnected

Illumination control

The unified meter control unit outputs the speedometer, odometer/trip meters, tachometer, oil pressure gauge,
voltage gauge, A/T indicator, fuel and temperature gauge lighting when the ignition switch is turned on. When
the lighting switch is turned on, the illumination control switch can be used to adjust the brightness of the com-
bination meter illumination and the odometer/trip meters and meter illumination.

WKIA3746E

COMBINATION METERS

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DI

2006 Pathfinder

POWER SUPPLY AND GROUND CIRCUIT

Power is supplied at all times

●

through 10A fuse [No.19, located in the fuse block (J/B)]

●

to combination meter terminal 3.

With the ignition switch in the ON or START position, power is supplied

●

through 10A fuse [No.14, located in the fuse block (J/B)]

●

to combination meter terminal 16.

Ground is supplied

●

to combination meter terminals 13 and 23

●

through body grounds M57, M61 and M79.

WATER TEMPERATURE GAUGE

The water temperature gauge indicates the engine coolant temperature.
ECM provides an engine coolant temperature signal to combination meter via CAN communication lines.

ENGINE OIL PRESSURE GAUGE

The engine oil pressure gauge indicates the engine oil pressure.
The engine oil pressure gauge is regulated by the unified meter control unit and input from the oil pressure
sensor.

VOLTAGE GAUGE

The voltage gauge indicates the battery/charging system voltage.
The voltage gauge is regulated by the unified meter control unit.

TACHOMETER

The tachometer indicates engine speed in revolutions per minute (rpm).
ECM provides an engine speed signal to combination meter via CAN communication lines.

FUEL GAUGE

The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied

●

to combination meter terminal 9

●

through fuel level sensor unit and fuel pump terminal 2

●

through fuel level sensor unit and fuel pump terminal 5

●

from combination meter terminal 4.

SPEEDOMETER

ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN
communication lines.

CAN COMMUNICATION SYSTEM DESCRIPTION

Refer to

LAN-25, "CAN COMMUNICATION"

.

DI-6

COMBINATION METERS

2006 Pathfinder

Combination Meter

EKS00FXX

CHECK

WKIA4888E

COMBINATION METERS

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2006 Pathfinder

Internal Circuit

EKS00FXY

WKWA4210E

DI-8

COMBINATION METERS

2006 Pathfinder

Wiring Diagram — METER —

EKS00FXZ

WKWA4345E