2007 INFINITI M35 Spec

ACC-1
ACCELERATOR CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION ACC
A
ACC
Revision: 2007 April2007 M35/M45
ACCELERATOR CONTROL SYSTEM
PRECAUTIONS .......................................................... 2
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 2
ACCELERATOR CONTROL SYSTEM ...................... 3Components ............................................................. 3
Removal and Installation .......................................... 3
REMOVAL ............................................................. 3
INSTALLATION ..................................................... 4
INSPECTION AFTER INSTALLATION .................. 4

ACC-4
ACCELERATOR CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
6. Pull up the floor carpet.
7. Remove mounting nuts of accelerator pedal bracket.
8. Remove accelerator pedal bracket and lever assembly.
CAUTION:

Do not disassemble accelerator lever. Do not remove accelerator pedal position sensor from
accelerator lever.

Avoid impact from dropping etc. during handling.

Be careful to keep accelerator lever away from water.
INSTALLATION
Installation is the reverse order of removal.
INSPECTION AFTER INSTALLATION

Make sure accelerator pedal moves smoothly within the whole operation range when it is fully depressed
and released.

Make sure accelerator pedal securely returns to the fully released position.

For the electrical inspection of accelerator pedal position sensor, refer to the following.
–VQ35DE
EC-617, "
DTC P2122, P2123 APP SENSOR".
–VK45DE
EC-1336, "
DTC P2122, P2123 APP SENSOR".
CAUTION:
When harness connector of accelerator pedal position sensor is disconnected, perform “Acceler-
ator Pedal Released Position Learning”. Refer to EC-86, "
Accelerator Pedal Released Position
Learning" (VQ35DE) or EC-788, "Accelerator Pedal Released Position Learning" (VK45DE).

ACS-1
AUTO CRUISE CONTROL SYSTEM
K ELECTRICAL
CONTENTS
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SECTION ACS
A
B
ACS
Revision: 2007 April2007 M35/M45
AUTO CRUISE CONTROL SYSTEM
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 Tools ............................................... 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
Functional Diagram .................................................. 7
Components Description .......................................... 9
CAN Communication ................................................ 9
CAN COMMUNICATION UNIT ............................. 9
Switch Operation .................................................... 10
IN VEHICLE-TO-VEHICLE DISTANCE CON-
TROL MODE ....................................................... 10
IN CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................... 10
ICC System Display ................................................ 11
IN VEHICLE-TO-VEHICLE DISTANCE CON-
TROL MODE ........................................................ 11
IN CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ................................................ 11
ACTION TEST .......................................................... 12
ICC System Running Test ...................................... 12
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE ................................................................. 12
CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE ............................................... 13LASER BEAM AIMING ADJUSTMENT ................... 15
Outline .................................................................... 15
Preparation ............................................................. 15
Outline of Adjustment Procedure ............................ 15
Setting the ICC Target Board .................................. 15
ADJUSTING HEIGHT OF THE TARGET ............ 15
ADJUSTING THE RIGHT-LEFT POSITION OF
THE TARGET ...................................................... 16
SETTING THE TARGET ..................................... 16
Aiming Adjustment .................................................. 18
CHECK AFTER THE ADJUSTMENT .................. 20
ELECTRICAL UNITS LOCATION ............................ 21
Component Parts and Harness Connector Location ... 21
WIRING DIAGRAM ................................................... 22
Schematic ............................................................... 22
Wiring Diagram — ICC — ...................................... 23
TERMINALS AND REFERENCE VALUE ................. 28
Terminals and Reference Value for ICC Sensor Inte-
grated Unit .............................................................. 28
TROUBLE DIAGNOSIS - GENERAL DESCRIP-
TION .......................................................................... 29
Fail-Safe Function .................................................. 29
Work Flow ............................................................... 29
CONSULT-II Function (ICC) ................................... 30
DESCRIPTION .................................................... 30
CONSULT-II BASIC OPERATION ....................... 30
WORK SUPPORT ............................................... 30
SELF-DIAGNOSTIC RESULTS ........................... 31
DATA MONITOR ................................................. 31
ACTIVE TEST ..................................................... 33
Self-Diagnostic Function ......................................... 34
WITH CONSULT-II .............................................. 34
WITHOUT CONSULT-II ....................................... 35
SELF-DIAGNOSIS BY DOT MATRIX LCD WILL
NOT RUN ............................................................ 36
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ........................................................................ 40
Diagnostic Trouble Code (DTC) Chart ................... 40
DTC 0 CONTROL UNIT ......................................... 42
DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUP-

ACS-2Revision: 2007 April2007 M35/M45 PLY CIR 2 ............................................................... 42
DTC 3 VHCL SPEED SE CIRC .............................. 43
DTC 4 ABS/TCS/VDC CIRC .................................. 43
DTC 5 BRAKE SW/STOP L SW ............................. 44
DTC 6 OPERATION SW CIRC ............................... 48
DTC 12 LASER BEAM OFFCNTR ......................... 49
DTC 13 STOP LAMP RLY FIX ............................... 50
DTC 14 ECM CIRCUIT ........................................... 56
DTC 15 GEAR POSITION ...................................... 57
DTC 16 RADAR STAIN .......................................... 58
DTC 18 LASER AIMING INCMP ............................ 58
DTC 21 UNIT HIGH TEMP ..................................... 58
DTC 24 NP RANGE ............................................... 59
DTC 25 SHIFT RANGE IND ................................... 59
DTC 26 ECD MODE MALF .................................... 60
DTC 27 ECD PWR SUPLY CIR .............................. 60
DTC 100 CAN COMM CIRCUIT ............................. 61
DTC 110 CONTROL UNIT (CAN) ........................... 61
TROUBLE DIAGNOSIS FOR SYMPTOMS .............. 62
Symptom Chart ....................................................... 62
Symptom 1: MAIN Switch Does Not Turn ON*
1 ,
MAIN Switch Does Not Turn OFF*
2 ........................ 63Symptom 2: ICC System Cannot Be Set (MAIN
Switch Turns ON/OFF) ............................................ 64
Symptom 3: ICC System Cannot Be Operated by
CANCEL Switch, RESUME/ACCELERATE Switch
or DISTANCE Switch .............................................. 65
Symptom 4: ICC System Is Not Cancelled When
the A/T Selector Lever Is In Other Than “D” and “M” ... 65
Symptom 5: Chime Does Not Sound ...................... 66
Symptom 6: Driving Force Is Hunting ..................... 67
Symptom 7: ICC System Frequently Cannot Detect
the Vehicle Ahead/ Detection Zone Is Short ........... 67
Symptom 8: The System Does Not Detect the Vehi-
cle Ahead at All ....................................................... 68
ELECTRICAL COMPONENT INSPECTION ............. 69
ICC Steering Switch ................................................ 69
ICC Brake Hold Relay ............................................. 69
ICC Brake Switch and Stop Lamp Switch ............... 69
REMOVAL AND INSTALLATION .............................. 70
ICC Sensor Integrated Unit ..................................... 70
REMOVAL ............................................................ 70
INSTALLATION .................................................... 70
ICC Steering Switch ................................................ 70

PREPARATION
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[ICC]
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PREPARATIONPFP:00002
Special Service ToolsNKS004CE
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent - Moore No.)
Tool nameDescription
KV99110100
(J-45718)
ICC target boardUses for laser beam aiming adjustment
PKIA0358J

LASER BEAM AIMING ADJUSTMENT
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ACS
Revision: 2007 April2007 M35/M45
LASER BEAM AIMING ADJUSTMENTPFP:00026
OutlineNKS004CM
Adjust the laser beam aiming every time the ICC sensor integrated unit is removed or installed.
CAUTION:

Adjust laser beam aiming at a horizontal place as far as 12 m (39 ft) forward the vehicle can be
seen.

Adjust laser beam aiming 5 seconds after starting engine.

Never view ICC sensor integrated unit body window directly during laser beam aiming adjustment.

Follow the CONSULT-II when adjusting the laser beam aiming (laser beam aiming adjustment can-
not be operated without CONSULT-II).

Never ride on vehicle during laser beam aiming adjustment.

Idle and turn headlamps OFF during laser beam aiming adjustment.
PreparationNKS004CN

Adjust the tire pressure to the specified value.

See that there is no load in the vehicle.

Coolant, engine oil filled up to correct level and full fuel tank.

Shift the gear into “P” position and release the parking brake.

Clean the ICC sensor integrated unit with a soft cloth.

Remove the front bumper grille. Refer to EI-13, "Removal and
Installation of Front Bumper Grille" .
Outline of Adjustment ProcedureNKS004CO
1. Set up the ICC target board [KV99110100 (J-45718)].
2. Adjust the sensor following the procedure on CONSULT-II. (Turn manually the screw for up-down position
adjustment. ICC sensor integrated unit automatically adjust the right-left position.)
Setting the ICC Target BoardNKS004CP
Accurate ICC target board setting is required for the laser beam aiming adjustment.
CAUTION:
ICC system does not function normally if laser beam aiming is not accurate.
ADJUSTING HEIGHT OF THE TARGET
1. Attach a triangle scale at 28 mm (1.10 in) below the center.
PKIB8350E
PKIB8351E

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
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ACS
Revision: 2007 April2007 M35/M45
9. CHECK CAN COMMUNICATION
1. Perform self-diagnosis with CONSULT-II.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> 1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for
VQ35DE) or EC-826, "
CONSULT-II Function (ENGINE)" (VK45DE).
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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ACS
Revision: 2007 April2007 M35/M45
3. CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Check continuity between ICC sensor integrated unit harness
connector and ground.
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser
beam aiming.
2. Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace ICC sensor integrated unit ground harness.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 3 VHCL SPEED SE CIRCNKS004D2
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) or “CAN COMM CIRCUIT [U1000]” (DTC 100) other
than “VHCL SPEED SE CIRC [C1A03]” (DTC 3) is indicated in self-diagnosis item in the display.
Is any indicated?
YES >> 1. Repair or replace applicable item. Refer to ACS-40, "Diagnostic Trouble Code (DTC) Chart" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2. CHECK A/T VEHICLE SPEED SENSOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “VHCL SPD AT” operates normally.
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Perform “A/T” self-diagnosis. Refer to AT- 9 0 , "
CONSULT-II Function (A/T)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 4 ABS/TCS/VDC CIRCNKS004D3
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC100) other than “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) is
indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
ICC sensor integrated
unit connectorTerminal
GroundContinuity
E61 4 Yes
PKIB8376E