service INFINITI QX56 2006 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2006, Model line: QX56, Model: INFINITI QX56 2006Pages: 3383, PDF Size: 51.76 MB
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SC-12
STARTING SYSTEM
Revision: November 20092006 QX56
Trouble Diagnoses with Battery/Starting/Charging System TesterEKS00B7D
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter and generator test segments must be done
as a set from start to finish.
1. Turn off all loads on the vehicle electrical system.
2. Perform battery test with Battery/Starting/Charging system
tester. Refer to SC-6, "
Trouble Diagnoses with Battery/Starting/
Charging System Tester" .
3. Press “ENTER” to begin the starting system test.
4. Start the engine.
5. Diagnosis result is displayed on the tester. Refer to SC-12,
"DIAGNOSTIC RESULT ITEM CHART" .
NOTE:
If the starter performs normally but the engine does not start,
perform engine diagnosis.
For intermittent “NO CRANK” or “NO STARTER OPERA-
TION ” incidents, refer to SC-15, "
DIAGNOSTIC PROCE-
DURE 2" .
DIAGNOSTIC RESULT ITEM CHART
SEL408X
SEL409X
SEL410X
Diagnostic item Service procedure
CRANKING VOLTAGE NORMAL Go to SC-13, "
WORK FLOW" .
CRANKING VOLTAGE LOW
CHARGE BATTERY Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12 hours.) Per-
form battery test again with Battery/Starting/Charging system tester. Refer to
SC-6, "
Troub le
Diagnoses with Battery/Starting/Charging System Tester" .
REPLACE BATTERY Before replacing battery, clean the battery cable clamps and battery posts. Perform battery
test again with Battery/Starting/Charging system tester. Refer to
SC-6, "
Trouble Diagnoses
with Battery/Starting/Charging System Tester" . If second test result is “REPLACE BAT-
TERY” , then do so. Perform battery test again to confirm repair.
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SC-20
CHARGING SYSTEM
Revision: November 20092006 QX56
10. Raise and hold the engine speed at 1,500 to 2,000 rpm for about
5 seconds, then return the engine to idle. Once the increase in
engine rpm is detected, press “ENTER” to continue.
NOTE:
If after 30 seconds an increase in engine idle speed is not
detected, “RPM NOT DETECTED” will be displayed. Press
“ENTER ” to restart the test.
11. Diagnostic result is displayed on the tester. Refer to SC-20,
"DIAGNOSTIC RESULT ITEM CHART" .
12. Press “ENTER” then test output code is displayed. Record the
test output code on the repair order.
13. Toggle back to the “DIAGNOSTIC SCREEN ” for test results.
DIAGNOSTIC RESULT ITEM CHART
SEL421X
SEL422X
SEL577X
Diagnostic item Service procedure
CHARGING SYSTEM NORMAL Charging system is normal and will also show DIODE RIPPLE test result.
NO CHARGING VOLTAGE Go to SC-21, "
WORK FLOW" .
LOW CHARGING VOLTAGE
HIGH CHARGING VOLTAGE
DIODE RIPPLE NORMAL Diode ripple is OK and will also show CHARGING VOLTAGE test result.
EXCESS RIPPLE DETECTED Replace the generator. Perform
“DIODE RIPPLE ” test again using Battery/Starting/Charging
system tester to confirm repair.
DIODE RIPPLE NOT DETECTED Go to SC-21, "
WORK FLOW" .
Page 2931 of 3383
SC-26
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: November 20092006 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
BatteryEKS00B7M
StarterEKS00B7N
GeneratorEKS00B7O
Ty p eGr. 27
Capacity (20 HR) minimum 12V - 80AH
Cold cranking current A
(For reference value) 710
Application
All models
Manufacturer Mitsubishi
M002T85571ZCKD
Ty p e Reduction gear type
System voltage 12V
No-load Terminal voltage
11V
Current Less than 145A
Revolution More than 3,300 rpm
Minimum diameter of commutator 31.4 mm (1.236 in)
Minimum length of brush 11.0 mm (0.433 in)
Brush spring tension 26.7 - 36.1 N (2.72 - 3.68 kg, 5.93 - 8.02 lb)
Clearance between pinion front edge and
pinion stopper 0.5 - 2.0 mm (0.020 - 0.079 in)
Ty p e LR1130-701
Hitachi
Nominal rating 12V - 130A
Ground polarity Negative
Minimum revolution under no-load (When 13.5 volts is applied) 1,200 rpm
Hot output current (When 13.5 volts is applied) More than 78A/1,800 rpm
More than 108A/2,500 rpm
More than 130A/5,000 rpm
Regulated output voltage 14.1 - 14.7V @ 25°C
Minimum length of brush 6 mm (0.24 in)
Brush spring pressure 1.0 - 3.432 N (0.102 - 0.3501 kg, 0.22 - 0.7715 lbs)
Slip ring minimum outer diameter 26 mm (1.02 in)
Rotor (Field coil) resistance 2.1 ohms
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SE-1
SEAT
I BODY
CONTENTS
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PRECAUTIONS .....................................................
..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Work ........................................... ..... 3
PREPARATION ...................................................... ..... 4
Special Service Tool ............................................ ..... 4
Commercial Service Tool .................................... ..... 4
SQUEAK AND RATTLE TROUBLE DIAGNOSES ..... 5
Work Flow ................................................................ 5 CUSTOMER INTERVIEW ................................ ..... 5
DUPLICATE THE NOISE AND TEST DRIVE .. ..... 6
CHECK RELATED SERVICE BULLETINS ...... ..... 6
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ................................................. ..... 6
REPAIR THE CAUSE ...................................... ..... 6
CONFIRM THE REPAIR .................................. ..... 7
Generic Squeak and Rattle Troubleshooting ...... ..... 7
INSTRUMENT PANEL ..................................... ..... 7
CENTER CONSOLE ........................................ ..... 7
DOORS ............................................................ ..... 7
TRUNK ............................................................. ..... 8
SUNROOF/HEADLINING ................................ ..... 8
OVERHEAD CONSOLE (FRONT AND REAR) ..... 8
SEATS .............................................................. ..... 8
UNDERHOOD .................................................. ..... 8
Diagnostic Worksheet ......................................... ..... 9
AUTOMATIC DRIVE POSITIONER ....................... ....11
Component Parts And Harness Connector Location .... 11
System Description ............................................. ... 12
FAIL-SAFE MODE ........................................... ... 12
CANCEL OF FAIL-SAFE MODE ...................... ... 13
CAN Communication System Description ........... ... 13
Schematic ........................................................... ... 14
Wiring Diagram — AUT/DP — ............................ ... 16
Terminals and Reference Values for BCM .......... ... 26
Terminals and Reference Values for Driver Seat
Control Unit ......................................................... ... 26
Terminals and Reference Values for Automatic Drive Positioner Control Unit ...............................
... 28
Work Flow ............................................................... 30
Preliminary Check ............................................... ... 31
SETTING CHANGE FUNCTION ...................... ... 31
POWER SUPPLY AND GROUND CIRCUIT
INSPECTION ................................................... ... 31
CONSULT-II Function (AUTO DRIVE POS.) ....... ... 34
CONSULT-II INSPECTION PROCEDURE ....... ... 34
SELF-DIAGNOSIS RESULTS .......................... ... 36
DATA MONITOR .............................................. ... 37
ACTIVE TEST ..................................................... 38
CAN Communication Inspection Using CONSULT-
II (Self-Diagnosis) ................................................ ... 38
Symptom Chart ....................................................... 38
Sliding Motor Circuit Inspection ........................... ... 40
Reclining Motor LH Circuit Inspection ................. ... 41
Lifting Motor (Front) Circuit Inspection ................ ... 42
Lifting Motor (Rear) Circuit Inspection ................. ... 44
Pedal Adjusting Motor Circuit Inspection ............. ... 45
Mirror Motor LH Circuit Check ................................ 46
Mirror Motor RH Circuit Check ............................ ... 48
Steering Wheel Tilt Circuit Inspection .................. ... 49
Sliding Sensor Circuit Inspection ......................... ... 51
Reclining Sensor Circuit Inspection ..................... ... 52
Lifting Sensor (Front) Circuit Inspection .............. ... 53
Lifting Sensor (Rear) Circuit Inspection ............... ... 54
Pedal Adjusting Sensor Circuit Inspection ........... ... 55
Mirror Sensor LH Circuit Check ........................... ... 56
Mirror Sensor RH Circuit Check ............................. 57
Steering Wheel Tilt Sensor Circuit Inspection ..... ... 59
Sliding Switch Circuit Inspection .......................... ... 61
Reclining Switch Inspection ................................. ... 62
Lifting Switch (Front) Circuit Inspection ............... ... 64
Lifting Switch (Rear) Circuit Inspection ................ ... 65
Power Seat Switch Ground Inspection ................ ... 66
Pedal Adjusting Switch Circuit Inspection ........... ... 67
Door Mirror Remote Control Switch (Changeover
Switch) Circuit Check ............................................. 69
Door Mirror Remote Control Switch (Mirror Switch)
Circuit Check ....................................................... ... 70
Page 2934 of 3383
PRECAUTIONSSE-3
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PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EIS004X5
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.
Precautions for WorkEIS004X6
When removing or disassembling each component, be careful not to damage or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the compo-
nent with a shop cloth or vinyl tape to protect it.
Protect the removed parts with a shop cloth and keep them.
Replace a deformed or damaged clip.
If a part is specified as a non-reusable part, always replace it with new one.
Be sure to tighten bolts and nuts securely to the specified torque.
After re-installation is completed, be sure to check that each part works normally.
Follow the steps below to clean components.
–Water soluble foul: Dip a soft cloth into lukewarm water, and wring the water out of the cloth to wipe the
fouled area.
Then rub with a soft and dry cloth.
–Oily foul: Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%), and wipe
the fouled area.
Then dip a cloth into fresh water, and wring the water out of the cloth to wipe the detergent off. Then rub
with a soft and dry cloth.
Do not use organic solvent such as thinner, benzene, alcohol, or gasoline.
For genuine leather seats, use a genuine leather seat cleaner.
Page 2935 of 3383
SE-4
PREPARATION
Revision: November 20092006 QX56
PREPARATIONPFP:00002
Special Service ToolEIS004X7
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service ToolEIS004X8
Tool number
(Kent-Moore No.)
Tool nameDescription
—
(J-39570)
Chassis ear Locating the noise
—
(J-43980)
NISSAN Squeak and Rattle
Kit Repairing the cause of noise
SIIA0993E
SIIA0994E
(Kent-Moore No.)
Tool name
Description
(J-39565)
Engine ear Locating the noise
SIIA0995E
Page 2936 of 3383
SQUEAK AND RATTLE TROUBLE DIAGNOSESSE-5
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SQUEAK AND RATTLE TROUBLE DIAGNOSESPFP:00000
Work FlowEIS00508
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diag-
nostic Worksheet during the interview to document the facts and conditions when the noise occurs and any
customer's comments; refer to SE-9, "
Diagnostic Worksheet" . This information is necessary to duplicate the
conditions that exist when the noise occurs.
The customer may not be able to provide a detailed description or the location of the noise. Attempt to
obtain all the facts and conditions that exist when the noise occurs (or does not occur).
If there is more than one noise in the vehicle, be sure to diagnose and repair the noise that the customer
is concerned about. This can be accomplished by test driving the vehicle with the customer.
After identifying the type of noise, isolate the noise in terms of its characteristics. The noise characteristics
are provided so the customer, service adviser and technician are all speaking the same language when
defining the noise.
Squeak —(Like tennis shoes on a clean floor)
Squeak characteristics include the light contact/fast movement/brought on by road conditions/hard sur-
faces = higher pitch noise/softer surfaces = lower pitch noises/edge to surface = chirping.
Creak —(Like walking on an old wooden floor)
Creak characteristics include firm contact/slow movement/twisting with a rotational movement/pitch
dependent on materials/often brought on by activity.
Rattle —(Like shaking a baby rattle)
Rattle characteristics include the fast repeated contact/vibration or similar movement/loose parts/missing
clip or fastener/incorrect clearance.
Knock —(Like a knock on a door)
Knock characteristics include hollow sounding/sometimes repeating/often brought on by driver action.
Tick —(Like a clock second hand)
Tick characteristics include gentle contacting of light materials/loose components/can be caused by driver
action or road conditions.
Thump —(Heavy, muffled knock noise)
Thump characteristics include softer knock/dead sound often brought on by activity.
Buzz —(Like a bumble bee)
Buzz characteristics include high frequency rattle/firm contact.
Often the degree of acceptable noise level will vary depending upon the person. A noise that you may
judge as acceptable may be very irritating to the customer.
Weather conditions, especially humidity and temperature, may have a great effect on noise level.
SBT842
Page 2937 of 3383
SE-6
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Revision: November 20092006 QX56
DUPLICATE THE NOISE AND TEST DRIVE
If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or location of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half-clutch on M/T model, drive position on A/T model).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the
vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, check ASIST for Technical Service Bulletins (TSBs) related
to that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area.To help pinpoint the source of the noise, use a listening tool (Chassis Ear: J-39570, Engine Ear: J-39565 and mechanic's stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by:
removing the components in the area that you suspect the noise is coming from.
Do not use too much force when removing clips and fasteners, otherwise clips and fasteners can be bro-
ken or lost during the repair, resulting in the creation of new noise.
tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only
temporarily.
feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.
placing a piece of paper between components that you suspect are causing the noise.
looking for loose components and contact marks.
Refer to SE-7, "
Generic Squeak and Rattle Troubleshooting" .
REPAIR THE CAUSE
If the cause is a loose component, tighten the component securely.
If the cause is insufficient clearance between components:
–separate components by repositioning or loosening and retightening the component, if possible.
–insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape or ure-
thane tape. A NISSAN Squeak and Rattle Kit (J-43980) is available through your authorized NISSAN
Parts Department.
CAUTION:
Do not use excessive force as many components are constructed of plastic and may be damaged.
Always check with the Parts Department for the latest parts information.
The following materials are contained in the NISSAN Squeak and Rattle Kit (J-43980). Each item can be
ordered separately as needed.
URETHANE PADS [1.5 mm (0.059 in) thick]
Insulates connectors, harness, etc.
76268-9E005: 100× 135 mm (3.94×5.31 in)/76884-71L01: 60 ×85 mm (2.36 ×3.35 in)/76884-71L02: 15 ×25
mm (0.59 ×0.98 in)
INSULATOR (Foam blocks)
Insulates components from contact. Can be used to fill space behind a panel.
73982-9E000: 45 mm (1.77 in) thick, 50 ×50 mm (1.97 ×1.97 in)/73982-50Y00: 10 mm (0.39 in) thick,
50 ×50 mm (1.97 ×1.97 in)
INSULATOR (Light foam block)
Page 2969 of 3383
SE-38
AUTOMATIC DRIVE POSITIONER
Revision: November 20092006 QX56
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and automatic drive positioner seat memory after performing
work.
DISPLAY ITEM LIST
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)EIS004XP
1. SELF-DIAGNOSTIC RESULT CHECK
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. Connect to CONSULT-II, and select “AUTO DRIVE POS.” on the “SELECT DIAG SYSTEM ” screen.
2. Select “SELF-DIAG RESULTS ” on "SELECT DIAG MODE" screen.
3. Check display content in self-diagnostic results.
Contents displayed
No malfunction>>Inspection End.
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-3, "
Precautions When Using CONSULT-II" .
Symptom ChartEIS004XQ
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
SEAT RECLINING The reclining motor is activated by receiving the drive signal.
SEAT LIFTER FR The lifting motor (front) is activated by receiving the drive signal.
SEAT LIFTER RR The lifting motor (rear) is activated by receiving the drive signal.
PEDAL MOTOR The pedal adjust motor is activated by receiving the drive signal.
MEMORY SW INDCTR The memory switch indicator is lit by receiving the drive signal.
MIRROR MOTOR RH The RH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
MIRROR MOTOR LH The LH mirror motor moves the mirror UP/DOWN and LEFT/RIGHT by receiving the drive
signal.
CONSULT-II display code
Diagnosis item
U1000 INITIAL DIAG
TRANSMIT DIAG
BCM
METER/M&A ECM
Symptom Diagnoses / service procedure Refer to
page
Only setting change function cannot be set with display. 1. Preliminary check
SE-31
2. CAN communication inspection using CONSULT-II (self-
diagnosis)SE-38
3. If the above systems are normal, check display system.
AV- 8 4
Page 2970 of 3383
AUTOMATIC DRIVE POSITIONERSE-39
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A part of seat system does not operate (both automati-
cally and manually).1. Sliding motor circuit inspection
SE-40
2. Reclining motor circuit inspection SE-41
3. Lifting motor (front) circuit inspectionSE-42
4. Lifting motor (rear) circuit inspectionSE-44
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of pedal adjust and door mirror does not operate
(both automatically and manually).1. Pedal adjusting motor circuit inspection
SE-452. Mirror motor LH circuit check SE-46
3. Mirror motor RH circuit check SE-48
4. If the above systems are normal, replace the automatic
drive positioner control unit. SE-11
A part of seat system does not operate (only automatic
operation).1. Sliding sensor circuit inspection
SE-51
2. Reclining sensor circuit inspectionSE-52
3. Lifting sensor (front) circuit inspectionSE-53
4. Lifting sensor (rear) circuit inspectionSE-54
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of door mirror system does not operate (only
automatic operation).1. Mirror sensor LH circuit check
SE-562. Mirror sensor RH circuit checkSE-57
3. If the above systems are normal, replace the automatic
drive positioner control unit. SE-11
All of the automatic operations do not operate.1.A/T device (park position switch) circuit inspection
SE-76
2. UART communication line circuit inspectionSE-80
3. Pedal adjusting sensor circuit inspectionSE-55
4. Steering wheel tilt sensor circuit inspectionSE-59
4. If all the above systems are normal, replace the auto-
matic drive positioner control unit. SE-11
A part of seat system does not operate (only manual
operation).1. Sliding switch circuit inspection
SE-61
2. Reclining switch circuit inspectionSE-62
3. Lifting switch (front) circuit inspectionSE-64
4. Lifting switch (rear) circuit inspectionSE-65
5. If the above systems are normal, replace the driver seat
control unit. SE-11
A part of pedal adjust and door mirror does not operate
(only manual operation).1. Pedal adjusting switch circuit inspection
SE-67
2. Door mirror remote control switch (change over switch)
circuit inspection SE-69
3. Door mirror remote control switch (mirror switch) switch-
ing circuit inspection SE-70
4. If the above systems are normal, replace the automatic
drive positioner control unit.
SE-11
Automatic drive positioner system does not operate
(only memory switch operation).1. Seat memory switch circuit inspection
SE-722. If the above systems are normal, replace the driver seat
control unit. SE-11
Seat memory indicator lamps 1 and 2 do not illuminate.1. Seat memory indicator lamp circuit inspection
SE-742. If all the above systems are normal, replace the driver
seat control unit. SE-11
Symptom
Diagnoses / service procedure Refer to
page