Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 2004-2009 Approved Nissan Quest 2004 DI
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K ELECTRICAL
A
B
SECTION
DRIVER INFORMATION SYSTEM C
D
E
CONTENTS
PRECAUTION ........................................................... 3 . Fuel Gauge Fluctuates, Indicates Wrong Value, or F
Precautions for Supplemental Restraint System Varies ..................................................................... 20
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Fuel Gauge Does Not Move to Full-position .......... 20 .
SIONER" ................................................................. 3
. Electrical Components Inspection ......................... 21 . G
Wiring Diagrams and Trouble Diagnosis ................. 3 . FUEL LEVEL SENSOR UNIT CHECK ............... 21 .
PREPARATION .......................................................... 4 . Removal and Installation of Combination Meter .... 21 .
Commercial Service Tool ........................................ 4 . WARNING LAMPS ................................................... 22 .
H
COMBINATION METERS .......................................... 5 . Schematic .............................................................. 22
.
System Description ................................................. 5 . Wiring Diagram -- WARN -- ................................. 23 .
UNIFIED METER CONTROL UNIT ..................... 5 . Oil Pressure Warning Lamp Stays Off (Ignition
POWER SUPPLY AND GROUND CIRCUIT ....... 6 . Switch ON) ............................................................ 28
. I
WATER TEMPERATURE GAUGE ....................... 6 . Oil Pressure Warning Lamp Does Not Turn Off (Oil
TACHOMETER .................................................... 6 . Pressure Is Normal) ............................................... 30 .
FUEL GAUGE ...................................................... 6 . Component Inspection ........................................... 30 . J
SPEEDOMETER .................................................. 6 . OIL PRESSURE SWITCH .................................. 30 .
CAN COMMUNICATION SYSTEM DESCRIP- A/T INDICATOR ....................................................... 31 .
TION ..................................................................... 6
. Wiring Diagram -- AT/IND -- ................................ 31 . DI
Component Parts and Harness Connector Location 7 ..... Trouble Diagnosis .................................................. 33 .
Combination Meter .................................................. 8 . A/T Indicator Does Not Illuminate .......................... 33 .
CHECK ................................................................. 8
. WARNING CHIME .................................................... 34 .
Circuit Diagram ....................................................... 9
. Component Parts and Harness Connector Location 34 ... L
Wiring Diagram -- METER -- ............................... 10 . System Description ................................................ 34 .
Terminals and Reference Value for Combination FUNCTION ......................................................... 34 .
Meter ..................................................................... 12
. IGNITION KEY WARNING CHIME .................... 34 . M
Meter/Gauge Operation and Odo/Trip Meter ........ 13 . LIGHT WARNING CHIME .................................. 35 .
SELF-DIAGNOSIS FUNCTION ......................... 13 . SEAT BELT WARNING CHIME .......................... 35 .
HOW TO INITIATE COMBINATION METER CAN Communication System Description ............. 35 .
SELF- DIAGNOSIS MODE ................................ 13 . Wiring Diagram -- CHIME -- ................................ 36 .
COMBINATION METER SELF- DIAGNOSIS Terminals and Reference Value for BCM .............. 38 .
MODE FUNCTIONS .......................................... 13 . Terminals and Reference Value for Combination
How to Proceed With Trouble Diagnosis ............... 15 . Meter ..................................................................... 39
.
Diagnosis Flow ...................................................... 15. How to Proceed With Trouble Diagnosis ............... 39 .
Power Supply and Ground Circuit Inspection ....... 16 . Preliminary Check ................................................. 40 .
Symptom Chart 1 .................................................. 17 . INSPECTION FOR POWER SUPPLY AND
Vehicle Speed Signal Inspection ........................... 17 . GROUND CIRCUIT ............................................ 40 .
Water Temperature Signal Inspection ................... 17 . CONSULT-II Function (BCM) ................................ 41 .
Engine Speed Signal Inspection ........................... 17 . CONSULT-II BASIC OPERATION PROCEDURE
Fuel Level Sensor Unit Inspection ........................ 18 . ... 41
FUEL LEVEL SENSOR UNIT ............................ 18 . DATA MONITOR ................................................ 42 .
LOW-FUEL WARNING LAMP ............................ 18 . ACTIVE TEST .................................................... 42 .
Revision: January 2005 DI-1 2004 Quest
SELF-DIAGNOSTIC RESULTS .......................... 42 . Pre-diagnosis Inspection ........................................55 .
All Warning Chimes Do Not Operate ..................... 43 . SENSOR STATUS CHECK ................................55 .
Key Warning Chime and Light Warning Chime Do Self-diagnosis Function ..........................................55 .
Not Operate (Seat Belt Warning Chime Does Oper- ENTERING DIAGNOSTICS MODE ....................55 .
ate) ........................................................................ 43
. REQUESTING NUMBER OF FAULT CODES
Key Warning Chime Does Not Operate ................. 44 . MODE .................................................................55
.
Light Warning Chime Does Not Operate ............... 46 . REQUESTING FAULT CODES MODE ...............56 .
Seat Belt Warning Chime Does Not Operate ........ 47 . IDLING OR CLEARING FAULT CODES MODE...56
REAR SONAR SYSTEM .......................................... 49 . Preliminary Check ..................................................57
.
Component Parts and Harness Connector Location 49 ... INSPECTION FOR POWER SUPPLY AND
System Description ................................................ 50 . GROUND CIRCUIT ............................................57 .
FUNCTION ......................................................... 50 . Symptom Chart ......................................................58
.
REAR SONAR SYSTEM OFF SWITCH ............. 50 . Component Inspection ...........................................59 .
SONAR BUZZER ............................................... 50 . SONAR BUZZER ................................................59 .
REAR SONAR SENSOR .................................... 50 . REAR SONAR SYSTEM OFF SWITCH .............59 .
Wiring Diagram -- SONAR -- ............................... 52 . REAR SONAR SYSTEM OFF INDICATOR ........59 .
Terminals And Reference Value For Sonar Control Removal and Installation of Rear Sonar System ...59
Unit ........................................................................ 54
. REAR SONAR SENSORS ..................................59 .
How to Proceed With Trouble Diagnosis ............... 54 . SONAR CONTROL UNIT ...................................59 .
Revision: January 2005 DI-2 2004 Quest
PRECAUTION
PRECAUTION PFP:00011
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS005P8
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
Wiring Diagrams and Trouble Diagnosis EKS005P9
When you read wiring diagrams, refer to the following:
H
q Refer to GI-12, "How to Read Wiring Diagrams" .
q Refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" for power distribution circuit.
When you perform trouble diagnosis, refer to the following: I
q Refer to GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" .
q Refer to GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident" .
J
DI
L
M
Revision: January 2005 DI-3 2004 Quest
PREPARATION
PREPARATION PFP:00002
Commercial Service Tool EKS005PA
Tool name Description
Power tool Loosening bolts and nuts
PBIC0191E
Revision: January 2005 DI-4 2004 Quest
COMBINATION METERS
COMBINATION METERS PFP:24814
A
System Description EKS005PB
UNIFIED METER CONTROL UNIT
q Speedometer, odometer, tachometer, fuel gauge and water temperature gauge are controlled by the uni- B
fied meter control unit, which is built into the combination meter.
q 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.
C
q Digital meter is adopted for odometer.*
*The record of the odometer is kept even if the battery cable is disconnected.
q Odometer and A/T indicator segments can be checked in diagnosis mode.
D
q Meters/gauges can be checked in diagnosis mode.
Illumination control
The unified meter control unit outputs the odometer, A/T indicator, fuel and temperature gauge lighting when E
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 combination meter illumination and the odometer and meter illumination.
When the ignition switch is in the START position, the combination meter dial lighting and illumination control F
switch lighting are turned off. For additional combination meter illumination control information, refer to LT-153,
"System Description" .
G
H
I
J
DI
L
M
Revision: January 2005 DI-5 2004 Quest
COMBINATION METERS
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
q through 15A fuse [No.19, located in the fuse block (J/B)]
q to combination meter terminal 31.
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 30.
Ground is supplied
q to combination meter terminal 32
q through body grounds M57, M61 and M79.
WATER TEMPERATURE GAUGE
The water temperature gauge indicates the engine coolant temperature.
ECM provides a water temperature signal to combination meter via CAN communication lines.
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
q to combination meter terminal 3
q through fuel level sensor unit and fuel pump terminal 5
q through fuel level sensor unit and fuel pump terminal 2
q from combination meter terminal 2.
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-6, "CAN COMMUNICATION" .
Revision: January 2005 DI-6 2004 Quest
COMBINATION METERS
Component Parts and Harness Connector Location EKS005PC
A
B
C
D
E
F
G
H
WKIA1125E I
J
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L
M
Revision: January 2005 DI-7 2004 Quest
COMBINATION METERS
Combination Meter EKS005PD
CHECK
WKIA1124E
Revision: January 2005 DI-8 2004 Quest
COMBINATION METERS
Circuit Diagram EKS005PE
A
B
C
D
E
F
G
H
I
J
DI
L
M
WKWA2798E
Revision: January 2005 DI-9 2004 Quest
COMBINATION METERS
Wiring Diagram -- METER -- EKS005PF
WKWA1771E
Revision: January 2005 DI-10 2004 Quest
COMBINATION METERS
A
B
C
D
E
F
G
H
I
J
DI
L
M
LKWA0256E
Revision: January 2005 DI-11 2004 Quest
COMBINATION METERS
Terminals and Reference Value for Combination Meter EKS005PG
Condition
Terminal Wire Reference value (V)
Item Ignition
No. color Operation or condition (Approx.)
switch
Fuel level sensor signal Refer to DI-18, "Fuel Level Sensor
2 G/Y -- --
input Unit Inspection" .
Fuel level sensor signal Refer to DI-18, "Fuel Level Sensor
3 B -- --
output Unit Inspection" .
Brake pedal pressed Battery voltage
7 R/Y Stop lamp switch input OFF
Brake pedal released 0V
Refer to LT-154, "ILLUMINATION
10 R/Y Illumination control switch -- Lighting switch ON OPERATION BY LIGHTING
SWITCH" .
Vehicle speed signal out-
11 V/R ON
put for 4 Speed A/T
When vehicle speed is
Vehicle speed signal out- approx. 40 km/h (25 MPH)
14 P/L ON
put
SKIA0168E
27 L CAN-H -- -- --
28 Y CAN-L -- -- --
Ignition switch ON or
30 O ON -- Battery voltage
START
31 Y/R Battery power supply OFF -- Battery voltage
32 B/W Ground ON -- 0V
Revision: January 2005 DI-12 2004 Quest
COMBINATION METERS
Meter/Gauge Operation and Odo/Trip Meter EKS005PI
SELF-DIAGNOSIS FUNCTION A
The following items can be checked during Combination Meter Self-Diagnosis Mode.
q Gauge sweep and present gauge values.
B
q Gauge input signals.
q Odometer, fuel gauge and engine temperature gauge segments.
q Illumination LEDs.
C
q Current odometer value stored in non-volatile memory (NVM).
q DTCs.
q Estimated present battery voltage. D
q Seat belt buckle switch LH status.
HOW TO INITIATE COMBINATION METER SELF- DIAGNOSIS MODE
E
NOTE:
Once entered, Combination Meter Self-Diagnosis Mode will function with the ignition switch in ON or START.
Combination Meter Self-Diagnosis Mode will exit upon turning the ignition switch to OFF.
To initiate Combination Meter Self-Diagnosis Mode, refer to the following procedure. F
1. Turn ignition switch and high beam headlamps OFF.
2. Apply brake pedal and turn ignition switch ON.
3. Within 3 seconds of turning ignition switch ON, engage flash to pass and hold for 5 to 8 seconds. G
NOTE:
If the self-diagnosis function is activated, the odometer/trip meter will display tESt.
H
COMBINATION METER SELF- DIAGNOSIS MODE FUNCTIONS
To interpret Combination Meter Self-Diagnosis Mode functions, refer to the following table.
Event Odometer Display Description of Test/Data Notes: I
Flash-to-pass and brake pedal
held from 5 to 8 seconds or tESt Initiating self-diagnosis mode
until released J
Flash-to-pass and brake pedal Does not enter Combination
Odometer
held more than 8 seconds Meter Self-Diagnosis Mode.
Performs sweep of all gauges, DI
Flash-to-pass and brake pedal then displays present gauge
GAGE Initiating self-diagnosis mode
released within 5 to 8 seconds values. Performs checksum
tests on ROM and EE.
L
Lights all A/T indicator, odome-
Flash to pass engaged and Initiating self-diagnosis mode
(All segments illuminated) ter, fuel, and engine tempera-
released = next test requested complete
ture display segments.
M
Illuminates all micro-controlled
Next test requested bulb lamps/LEDs regardless of SW
configuration.
Return to normal operation of
all lamps/LEDs and displays
hex ROM rev. If a ROM check-
Next test requested rXXXX, FAIL
sum fault exists, display alter-
nates between "r XXXX" and
"FAIL".
Displays hex ROM rev as
Next test requested nrXXXX
stored in NVM.
Hex EE level. If EE checksum
Next test requested EE XX, FAIL fault exists, display alternates
between "EE XX" and "FAIL".
Hex coding of final manufactur-
Next test requested dtXXXX
ing test date.
Revision: January 2005 DI-13 2004 Quest
COMBINATION METERS
Event Odometer Display Description of Test/Data Notes:
Displays a 16 bit DTC in hex
Each select button press will
format. DTCs displayed are
cause a different DTC to be
those detected in continuous
displayed until all DTC's are
Next test requested dtc, XXXX operation, not during self-diag-
displayed. If there are no or no
nosis. Display alternates
more DTC's, proceed to next
between "dtc" and actual DTC
function.
("XXXX") or "NONE".
Will display "-----" if message is
Raw speed value in hun-
not received. Will display
Next test requested XXXXX dredths of MPH. Speedometer
"99999" if data received is
indicates present speed.
invalid.
Will display "-----" if message is
Raw speed value in hun-
not received. Will display
Next test requested XXXXX dredths of KPH. Speedometer
"99999" if data received is
indicates present speed.
invalid.
Tachometer value in RPM.
Will display "-----" if message is
Next test requested tXXXXX Tachometer indicates present
not received.
RPM.
Present ratioed fuel level A/D 000-009 = Short circuit
input 1 in decimal format. Fuel 010-254 = Normal range
Next test requested F1 XXX
gauge indicates present filtered 255 = Open circuit
level. --- = Missing 5 seconds
0xx = Normal mode xx # of
segments
Next test requested FGM XXX Fuel gauge display mode.
1xx = Expand mode xx # of
segments
Last temperature gauge input Will display "---"C if message is
value in degrees C. Tempera- not received.
Next test requested XXXC
ture gauge indicates present fil- Will display "999" if data
tered temperature. received is invalid.
Temperature gauge display X = number of display seg-
Next test requested tGX
segments. ments commanded
Estimated present battery volt-
Next test requested BAtXX.X
age.
Seat belt buckle switch LH sta- 1= Buckled
Next test requested rES -X
tus. 0 = Unbuckled
Next test requested PA -XX to PAO -XX Not used.
Return to beginning of self-
Next test requested GAGE
diagnosis.
Revision: January 2005 DI-14 2004 Quest
COMBINATION METERS
How to Proceed With Trouble Diagnosis EKS005PK
A
1. Confirm the symptom or customer complaint.
2. Perform diagnosis according to diagnosis flow. Refer to DI-15, "Diagnosis Flow" .
3. According to the symptom chart, repair or replace the cause of the symptom.
B
4. Does the meter operate normally? If so, go to 5. If not, go to 2.
5. INSPECTION END.
Diagnosis Flow EKS005PL
C
1. CHECK WARNING INDICATOR ILLUMINATION
1. Turn ignition switch ON. D
2. Make sure warning indicators (such as malfunction indicator lamp and oil pressure warning indictor) illumi-
nate.
Do warning indicators illuminate? E
YES >> GO TO 2.
NO >> Check ignition power supply system of combination meter. Refer to DI-16, "Power Supply and
Ground Circuit Inspection" . F
2. CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform combination meter self-diagnosis. Refer to DI-13, "SELF-DIAGNOSIS FUNCTION" . G
Does self-diagnosis function operate?
YES >> GO TO 3.
H
NO >> Check the following.
q Combination meter power supply and ground circuit. Refer to DI-16, "Power Supply and
Ground Circuit Inspection" .
I
3. CHECK ODOMETER, FUEL AND TEMPERATURE GAUGE OPERATION
Check segment display status of odometer, fuel and temperature J
gauge.
Is the display normal?
YES >> GO TO 4. DI
NO >> Replace the combination meter. Refer to IP-12, "Combi-
nation Meter" .
L
WKIA1126E M
4. CHECK COMBINATION METER CIRCUIT
Check indication of each meter/gauge in self-diagnosis mode.
OK or NG
OK >> Go to DI-17, "Symptom Chart 1" .
NG >> Replace the combination meter. Refer to IP-12, "Combi-
nation Meter" .
WKIA1127E
Revision: January 2005 DI-15 2004 Quest
COMBINATION METERS
Power Supply and Ground Circuit Inspection EKS005PM
1. CHECK FUSES
Check for blown combination meter fuses.
Unit Power source Fuse No.
Battery 19
Combination meter
Ignition switch ON or START 14
Refer to DI-10, "Wiring Diagram -- METER --" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect combination meter connector.
2. Check voltage between combination meter harness connector
terminals and ground.
Terminals Ignition switch position
(+)
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