2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006 Factory Service Manual ACC-2Revision: November 2009
PRECAUTIONS
2006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EBS00RBO
The Supplemental R

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INFINITI QX56 2006 Factory Service Manual ACCELERATOR CONTROL SYSTEMACC-3
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Revision: November 2009 2006 QX56
ACCELERATOR CONTROL SYSTEMPFP:18005
Removal and InstallationEBS00M3Z
Adjustable Accelerator Pedal
CAUTION:

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INFINITI QX56 2006 Factory Service Manual ACC-4Revision: November 2009
ACCELERATOR CONTROL SYSTEM
2006 QX56
4. Disconnect the adjustable pedal electric motor electrical connec-tor.
5. Disconnect the adjustable pedal electric motor memory elec

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INFINITI QX56 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)ACC-5
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Revision: November 2009 2006 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Accelerator ControlEBS00M40
ADJUSTABLE ACCELERATO

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INFINITI QX56 2006 Factory Service Manual ACC-6Revision: November 2009
SERVICE DATA AND SPECIFICATIONS (SDS)
2006 QX56

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INFINITI QX56 2006 Factory Service Manual ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
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SECTION
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ACS
Revision: November 2009 2006 QX56
ASCD
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..... 3
Description ...........

ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
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SECTION
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ACS
Revision: November 2009 2006 QX56
ASCD
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..... 3
Description .......................................................... ..... 3
ICC
PRECAUTIONS ..................................................... ..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
Precautions for ICC System Service ................... ..... 4
PREPARATION ...................................................... ..... 5
Special Service Tool ............................................ ..... 5
DESCRIPTION ....................................................... ..... 6
Outline ................................................................. ..... 6
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE .............................................................. ..... 6
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................ ..... 6
BRAKE ASSIST (WITH PREVIEW FUNCTION) ..... 6
System Diagram .................................................. ..... 6
Components Description ..................................... ..... 7
CAN Communication ........................................... ..... 7
SYSTEM DESCRIPTION ................................. ..... 7
Switch Operation ................................................. ..... 7
ICC System Display ............................................ ..... 8
ACTION TEST ....................................................... ..... 9
ICC System Running Test ................................... ..... 9
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE .............................................................. ..... 9
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................ ... 10
LASER BEAM AIMING ADJUSTMENT ................ ... 12
Outline of Laser Beam Aiming Adjustment Proce-
dure ..................................................................... ... 12
Preparation .......................................................... ... 12
Setting up the ICC Target Board ......................... ... 12
ADJUSTING HEIGHT OF THE TARGET ......... ... 12
ADJUSTING THE POSITION OF THE TARGET
BOARD STRING .............................................. ... 13POSITIONING THE TARGET ..........................
... 13
Sensor Adjustment .............................................. ... 14
CHECK AFTER THE ADJUSTMENT ............... ... 17
ELECTRICAL UNITS LOCATION ......................... ... 18
Component Parts and Harness Connector Location ... 18
WIRING DIAGRAM ................................................ ... 19
Schematic ............................................................ ... 19
Wiring Diagram — ICC — ................................... ... 20
TERMINALS AND REFERENCE VALUE .............. ... 24
Terminals and Reference Values for ICC Unit ..... ... 24
Terminals and Reference Values for ICC Sensor ... 24
TROUBLE DIAGNOSIS — GENERAL DESCRIP-
TION ....................................................................... ... 25
Work Flow ............................................................... 25
CONSULT-II Function (ICC) ................................ ... 26
CONSULT-II OPERATION ................................ ... 26
WORK SUPPORT ............................................ ... 27
SELF-DIAGNOSTIC RESULTS ........................ ... 28
DATA MONITOR .............................................. ... 28
ACTIVE TEST ..................................................... 30
Self-Diagnostic Function ...................................... ... 31
WITH CONSULT-II ........................................... ... 31
WITHOUT CONSULT-II .................................... ... 32
SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY
WILL NOT RUN ................................................ ... 33
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ..................................................................... ... 36
Diagnostic Trouble Code (DTC) Chart ................ ... 36
DTC 11 CONTROL UNIT .................................... ... 37
DTC 12 VDC CONTROL UNIT ............................ ... 37
DTC 20 CAN COMM CIRCUIT ............................ ... 38
DTC 31 POWER SUPPLY CIR1, DTC 34 POWER
SUPPLY CIR2 ........................................................ 38
DTC 41 VHCL SPEED SE CIRC ......................... ... 39
DTC 43 VDC/TCS/ABS CIRC ............................. ... 39
DTC 45 BRAKE SW/STOP L SW ........................ ... 40
DTC 46 OPERATION SW CIRC .......................... ... 41
DTC 74 LASER BEAM OFF CNTR ..................... ... 42
DTC 90 STOP LAMP RLY FIX ............................... 43
DTC 92 ECM CIRCUIT ........................................ ... 47

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INFINITI QX56 2006 Factory Service Manual ACS-2Revision: November 20092006 QX56
DTC 96 NP RANGE ............................................
... 48
DTC 97 AT CIRCUIT ........................................... ... 48
DTC 98 GEAR POSITION .

ACS-2Revision: November 20092006 QX56
DTC 96 NP RANGE ............................................
... 48
DTC 97 AT CIRCUIT ........................................... ... 48
DTC 98 GEAR POSITION ................................... ... 49
DTC 102 LASER STAIN ...................................... ... 49
DTC 103 LASER SENSOR FAIL ......................... ... 50
DTC 104 LASER AIMING INCMP ....................... ... 50
DTC 107 LASER COMM FAIL ............................. ... 51
DTC 109 LASER HIGH TEMP ............................ ... 51
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... ... 52
Symptom Chart ....................................................... 52
Symptom 1: ON/OFF Switch Does Not Switch ON*
1
, ON/OFF Switch Does Not Switch OFF*
2 ........... ... 53
Symptom 2: The ICC System Cannot Be Set (ON/
OFF Switch Turns On/Off) ................................... ... 53
Symptom 3: The ICC System Cannot Be Operated
by the CANCEL Switch, ACCEL/RES Switch, or
DISTANCE Switch ............................................... ... 54Symptom 4: The ICC System Is Not Cancelled
When the Gear Is in ‘N’ ........................................
... 55
Symptom 5: Chime Does Not Sound ................... ... 55
Symptom 6: Driving Force Is Hunting .................. ... 56
Symptom 7: The ICC System Frequently Cannot
Detect the Vehicle Ahead/The Detection Zone is
Short .................................................................... ... 56
Symptom 8: The System Does Not Detect the Vehi-
cle Ahead at All .................................................... ... 56
ELECTRICAL COMPONENT INSPECTION .......... ... 58
ICC Steering Switch ............................................. ... 58
ICC Brake Switch and Stop Lamp Switch ............ ... 58
Parking Brake Switch ........................................... ... 58
REMOVAL AND INSTALLATION ........................... ... 59
ICC Unit ............................................................... ... 59
ICC Sensor .......................................................... ... 59
ICC Steering Switch ............................................. ... 59

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INFINITI QX56 2006 Factory Service Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)ACS-3
[ASCD]
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Revision: November 2009 2006 QX56
AUTOMATIC SPEED CONTROL DEVICE (ASCD)PFP:18930
DescriptionEKS00BLB
Regarding the informat

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